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vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>External links</span> </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" 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</div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Appearance</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">hide</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"><span class="mw-redirectedfrom">(Redirected from <a href="/w/index.php?title=Spark_(application)&redirect=no" class="mw-redirect" title="Spark (application)">Spark (application)</a>)</span></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Ukrainian mobile app company (e. 2007)</div> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><style data-mw-deduplicate="TemplateStyles:r1242257876">.mw-parser-output .ib-company .infobox-label{padding-right:0.5em}.mw-parser-output .ib-company .infobox-data,.mw-parser-output .ib-company .infobox-below{line-height:1.35em}.mw-parser-output .ib-company-logo img{background-color:#f8f9fa}.mw-parser-output .ib-company-locality,.mw-parser-output .ib-company-country{display:inline}</style><table class="infobox ib-company vcard"><caption class="infobox-title fn org">Readdle Inc.</caption><tbody><tr><td colspan="2" class="infobox-image ib-company-logo logo"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:Readdle.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/cd/Readdle.png/220px-Readdle.png" decoding="async" width="220" height="70" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/cd/Readdle.png/330px-Readdle.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/cd/Readdle.png/440px-Readdle.png 2x" data-file-width="819" data-file-height="259" /></a></span></td></tr><tr><th scope="row" class="infobox-label">Industry</th><td class="infobox-data category"><a href="/wiki/Mobile_app" title="Mobile app">Mobile apps</a></td></tr><tr><th scope="row" class="infobox-label">Founded</th><td class="infobox-data">2007<sup id="cite_ref-theverge_1-0" class="reference"><a href="#cite_note-theverge-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label">Headquarters</th><td class="infobox-data label"><a href="/wiki/Odesa" title="Odesa">Odesa</a>, <a href="/wiki/Ukraine" title="Ukraine">Ukraine</a> <small>(HQ)</small><br />795 Folsom Street 1st floor, <a href="/wiki/San_Francisco,_California" class="mw-redirect" title="San Francisco, California">San Francisco, California</a><sup id="cite_ref-BI_3-0" class="reference"><a href="#cite_note-BI-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Area served</div></th><td class="infobox-data">Worldwide</td></tr><tr><th scope="row" class="infobox-label"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Key people</div></th><td class="infobox-data agent">Igor Zhadanov<small> (CEO)</small><br />Denys Zhadanov<small> (VP)</small><br />Alex Tyagulsky<small> (CPO)</small></td></tr><tr><th scope="row" class="infobox-label">Products</th><td class="infobox-data">Scanner Pro, PDF Expert, Fluix, Spark, Documents, PDF Office, Printer Pro, PDF Converter</td></tr><tr><th scope="row" class="infobox-label"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Number of employees</div></th><td class="infobox-data">250<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label">Website</th><td class="infobox-data"><span class="url"><a rel="nofollow" class="external text" href="http://readdle.com">readdle<wbr />.com</a></span></td></tr></tbody></table> <p><b>Readdle</b> is a Ukrainian mobile application development company. The company research and development is based in <a href="/wiki/Odesa" title="Odesa">Odesa</a>, Ukraine. The operation is mostly built around the <a href="/wiki/App_Store_(iOS)" class="mw-redirect" title="App Store (iOS)">App Store</a>,<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> cumulatively generating over 100 million downloads.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> The company was founded by former college roommates Igor Zhadanov, Alex Tyagulsky, Andrian Budantsov, and Dmitry Protserov.<sup id="cite_ref-Verge_7-0" class="reference"><a href="#cite_note-Verge-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Products">Products</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Readdle&action=edit&section=1" title="Edit section: Products"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Documents">Documents</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Readdle&action=edit&section=2" title="Edit section: Documents"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"><table class="infobox vevent"><caption class="infobox-title summary">Documents</caption><tbody><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Programmer" title="Programmer">Developer(s)</a></th><td class="infobox-data">Readdle Technologies Limited</td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Initial release</th><td class="infobox-data">2008<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Operating_system" title="Operating system">Operating system</a></th><td class="infobox-data">iOS, iPadOS, macOS</td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Website</th><td class="infobox-data"><a rel="nofollow" class="external free" href="https://readdle.com/documents">https://readdle.com/documents</a></td></tr></tbody></table> <p><b>Documents</b> (previously <b>ReaddleDocs</b>) is a file management application.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> The app was Readdle's first product, and was developed because co-founders Alex Tyagulsky and Andrian Budantsov wished to be able to read books on their iPhones.<sup id="cite_ref-Verge_7-1" class="reference"><a href="#cite_note-Verge-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> It was initially released as a <a href="/wiki/Safari_(web_browser)" title="Safari (web browser)">Safari</a>-based web service in 2007.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> Later, Apple asked Readdle to submit the app (then called ReaddleDocs) to become one of the 500 apps available on the <a href="/wiki/App_Store_(Apple)" title="App Store (Apple)">App Store</a> when it launched on July 10, 2008.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> After <a href="/wiki/Wall_Street_Journal" class="mw-redirect" title="Wall Street Journal">Wall Street Journal</a> writer <a href="/wiki/Walt_Mossberg" title="Walt Mossberg">Walt Mossberg</a> endorsed the app, sales increased ninefold, netting the company $500–1000 a week.<sup id="cite_ref-Verge_7-2" class="reference"><a href="#cite_note-Verge-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> In 2013, the app rebranded as Documents.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="PDF_Expert">PDF Expert</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Readdle&action=edit&section=3" title="Edit section: PDF Expert"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"><table class="infobox vevent"><caption class="infobox-title summary">PDF Expert</caption><tbody><tr><td colspan="2" class="infobox-image logo"><span typeof="mw:File"><a href="/wiki/File:PDF_Expert_Logo.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/dc/PDF_Expert_Logo.svg/128px-PDF_Expert_Logo.svg.png" decoding="async" width="128" height="128" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/dc/PDF_Expert_Logo.svg/192px-PDF_Expert_Logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/dc/PDF_Expert_Logo.svg/256px-PDF_Expert_Logo.svg.png 2x" data-file-width="501" data-file-height="502" /></a></span></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Programmer" title="Programmer">Developer(s)</a></th><td class="infobox-data">Readdle</td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Operating_system" title="Operating system">Operating system</a></th><td class="infobox-data"><a href="/wiki/MacOS" title="MacOS">macOS</a>, <a href="/wiki/IOS" title="IOS">iOS</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Software_categories#Categorization_approaches" title="Software categories">Type</a></th><td class="infobox-data">PDF editor</td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Website</th><td class="infobox-data"><span class="url"><a rel="nofollow" class="external text" href="http://pdfexpert.com">pdfexpert<wbr />.com</a></span></td></tr></tbody></table> <p><b>PDF Expert</b> is a <a href="/wiki/Portable_Document_Format" class="mw-redirect" title="Portable Document Format">PDF</a> editing <a href="/wiki/Application_software" title="Application software">app</a> for <a href="/wiki/IPhone" title="IPhone">iPhone</a>, <a href="/wiki/IPad" title="IPad">iPad</a> and <a href="/wiki/MacOS" title="MacOS">Mac</a>.<sup id="cite_ref-TWT_13-0" class="reference"><a href="#cite_note-TWT-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-BP_14-0" class="reference"><a href="#cite_note-BP-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> The app allows a user to read, annotate and edit <a href="/wiki/Portable_Document_Format" class="mw-redirect" title="Portable Document Format">PDFs</a>, change text and images, fill in forms and sign contracts.<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </p><p>PDF Expert was initially launched for <a href="/wiki/IOS" title="IOS">iOS</a> in 2010 for the first iPad and is now supported on the <a href="/wiki/IPad" title="IPad">iPad</a>, <a href="/wiki/IPhone" title="IPhone">iPhone</a>, and <a href="/wiki/MacOS" title="MacOS">Mac</a>.<sup id="cite_ref-MS_16-0" class="reference"><a href="#cite_note-MS-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Spark">Spark</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Readdle&action=edit&section=4" title="Edit section: Spark"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"><table class="infobox vevent"><caption class="infobox-title summary">Spark</caption><tbody><tr><td colspan="2" class="infobox-image logo"><span typeof="mw:File"><a href="/wiki/File:Spark_Mail_Logo.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d8/Spark_Mail_Logo.svg/128px-Spark_Mail_Logo.svg.png" decoding="async" width="128" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d8/Spark_Mail_Logo.svg/192px-Spark_Mail_Logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d8/Spark_Mail_Logo.svg/256px-Spark_Mail_Logo.svg.png 2x" data-file-width="127" data-file-height="40" /></a></span></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Programmer" title="Programmer">Developer(s)</a></th><td class="infobox-data">Readdle</td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Initial release</th><td class="infobox-data">May 29, 2015<span class="noprint">; 9 years ago</span><span style="display:none"> (<span class="bday dtstart published updated">2015-05-29</span>)</span></td></tr><tr style="display: none;"><td colspan="2" class="infobox-full-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Software_release_life_cycle" title="Software release life cycle">Stable release</a></th><td class="infobox-data"><div style="margin:0px;"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"><table class="infobox-subbox"><tbody><tr><th scope="row" class="infobox-label">Android</th><td class="infobox-data">3.7.1 / December 21, 2023<span class="noprint">; 11 months ago</span><span style="display:none"> (<span class="bday dtstart published updated">2023-12-21</span>)</span><sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label">iOS</th><td class="infobox-data">3.7.2 / December 5, 2023<span class="noprint">; 11 months ago</span><span style="display:none"> (<span class="bday dtstart published updated">2023-12-05</span>)</span><sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label">macOS <a href="/wiki/App_Store_(macOS)" class="mw-redirect" title="App Store (macOS)">App Store (macOS)</a></th><td class="infobox-data">2.11.37 / November 20, 2023<span class="noprint">; 12 months ago</span><span style="display:none"> (<span class="bday dtstart published updated">2023-11-20</span>)</span><sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup></td></tr></tbody></table> </div></td></tr><tr style="display:none"><td colspan="2"> </td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Operating_system" title="Operating system">Operating system</a></th><td class="infobox-data"><a href="/wiki/Windows" class="mw-redirect" title="Windows">Windows</a>, <a href="/wiki/Android_(operating_system)" title="Android (operating system)">Android</a>, <a href="/wiki/MacOS" title="MacOS">macOS</a>, <a href="/wiki/IOS" title="IOS">iOS</a>, <a href="/wiki/WatchOS" title="WatchOS">watchOS</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Computing_platform" title="Computing platform">Platform</a></th><td class="infobox-data"><a href="/wiki/Android_Nougat" title="Android Nougat">Android Nougat</a> and later, <a href="/wiki/MacOS_High_Sierra" title="MacOS High Sierra">MacOS High Sierra</a> and later, <a href="/wiki/IOS_13" title="IOS 13">iOS 13.4</a> and later</td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/File_size" title="File size">Size</a></th><td class="infobox-data">67.06 <a href="/wiki/Megabyte" title="Megabyte">MB</a> (Android), 175 MB (iOS), 58.6 MB (macOS)</td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Software_categories#Categorization_approaches" title="Software categories">Type</a></th><td class="infobox-data"><a href="/wiki/Email_client" title="Email client">Email client</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Software_license" title="Software license">License</a></th><td class="infobox-data"><a href="/wiki/Freeware" title="Freeware">Freeware</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Website</th><td class="infobox-data"><span class="url"><a rel="nofollow" class="external text" href="https://sparkmailapp.com/">sparkmailapp<wbr />.com</a></span></td></tr></tbody></table> <p><b>Spark</b> is an email application for <a href="/wiki/Windows" class="mw-redirect" title="Windows">Windows</a>, <a href="/wiki/IOS" title="IOS">iOS</a>, <a href="/wiki/MacOS" title="MacOS">macOS</a>, and <a href="/wiki/Android_(operating_system)" title="Android (operating system)">Android</a> devices.<sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> <i><a href="/wiki/Lifehacker" title="Lifehacker">Lifehacker</a></i> wrote that Spark was the best alternative for <a href="/wiki/Mailbox_(application)" title="Mailbox (application)">Mailbox</a> users when that service went offline.<sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> It was released on April 2, 2019, and was Readdle's first app released on Android.<sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Readdle&action=edit&section=5" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output 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.id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFStokel-Walker2014" class="citation web cs1">Stokel-Walker, Chris (2014-04-16). <a rel="nofollow" class="external text" href="https://www.theverge.com/2014/4/16/5450352/the-app-men-of-odessa-readdle">"Getting rich on apps in the heart of Ukraine"</a>. <i>The Verge</i><span class="reference-accessdate">. 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href="https://lifehacker.com/spark-arrives-on-ipad-gets-new-color-options-on-iphone-1761012131">"Spark Arrives on iPad, Gets New Color Options on iPhone"</a>. <a href="/wiki/LifeHacker" class="mw-redirect" title="LifeHacker">LifeHacker</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Spark+Arrives+on+iPad%2C+Gets+New+Color+Options+on+iPhone&rft.pub=LifeHacker&rft.date=2016-02-25&rft.aulast=Klosowski&rft.aufirst=Thorin&rft_id=https%3A%2F%2Flifehacker.com%2Fspark-arrives-on-ipad-gets-new-color-options-on-iphone-1761012131&rfr_id=info%3Asid%2Fen.wikipedia.org%3AReaddle" class="Z3988"></span></span> </li> <li id="cite_note-24"><span class="mw-cite-backlink"><b><a href="#cite_ref-24">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBell2016" class="citation web cs1">Bell, Karissa (February 26, 2016). <a rel="nofollow" class="external text" href="https://mashable.com/archive/mailbox-alternatives">"Mailbox is shutting down, so here are 5 email apps to use instead"</a>. <a href="/wiki/Mashable" title="Mashable">Mashable</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Mailbox+is+shutting+down%2C+so+here+are+5+email+apps+to+use+instead&rft.pub=Mashable&rft.date=2016-02-26&rft.aulast=Bell&rft.aufirst=Karissa&rft_id=https%3A%2F%2Fmashable.com%2Farchive%2Fmailbox-alternatives&rfr_id=info%3Asid%2Fen.wikipedia.org%3AReaddle" class="Z3988"></span></span> </li> <li id="cite_note-25"><span class="mw-cite-backlink"><b><a href="#cite_ref-25">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFKlosowski2016" class="citation web cs1">Klosowski, Thorin (February 26, 2016). <a rel="nofollow" class="external text" href="https://lifehacker.com/mailbox-is-shutting-down-try-these-free-alternatives-1761366838">"Mailbox Is Shutting Down, Try These Free Alternatives"</a>. <a href="/wiki/Lifehacker" title="Lifehacker">Lifehacker</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Mailbox+Is+Shutting+Down%2C+Try+These+Free+Alternatives&rft.pub=Lifehacker&rft.date=2016-02-26&rft.aulast=Klosowski&rft.aufirst=Thorin&rft_id=https%3A%2F%2Flifehacker.com%2Fmailbox-is-shutting-down-try-these-free-alternatives-1761366838&rfr_id=info%3Asid%2Fen.wikipedia.org%3AReaddle" class="Z3988"></span></span> </li> <li id="cite_note-26"><span class="mw-cite-backlink"><b><a href="#cite_ref-26">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGartenberg2019" class="citation web cs1">Gartenberg, Chaim (April 2, 2019). <a rel="nofollow" class="external text" href="https://www.theverge.com/2019/4/2/18291060/spark-android-google-inbox-email-app-hands-on">"Spark for Android is here to fill the Google Inbox-shaped hole in your heart"</a>. <a href="/wiki/The_Verge" title="The Verge">The Verge</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Spark+for+Android+is+here+to+fill+the+Google+Inbox-shaped+hole+in+your+heart&rft.pub=The+Verge&rft.date=2019-04-02&rft.aulast=Gartenberg&rft.aufirst=Chaim&rft_id=https%3A%2F%2Fwww.theverge.com%2F2019%2F4%2F2%2F18291060%2Fspark-android-google-inbox-email-app-hands-on&rfr_id=info%3Asid%2Fen.wikipedia.org%3AReaddle" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Readdle&action=edit&section=6" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span class="official-website"><span class="url"><a rel="nofollow" class="external text" href="https://readdle.com/">Official website</a></span></span></li></ul>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Readdle&oldid=1236712318#Spark">https://en.wikipedia.org/w/index.php?title=Readdle&oldid=1236712318#Spark</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a href="/wiki/Category:Companies_based_in_Odesa" title="Category:Companies based in Odesa">Companies based in Odesa</a></li><li><a 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