{"id":16287,"date":"2024-09-13T06:00:41","date_gmt":"2024-09-13T13:00:41","guid":{"rendered":"https:\/\/www.couchbase.com\/blog\/?p=16287"},"modified":"2025-06-13T19:49:19","modified_gmt":"2025-06-14T02:49:19","slug":"couchbase-mobile-alternative-to-mongodb-sync","status":"publish","type":"post","link":"https:\/\/www.couchbase.com\/blog\/couchbase-mobile-alternative-to-mongodb-sync\/","title":{"rendered":"Your Alternative To MongoDB Atlas Device Sync &#038; Atlas Device SDKs (formerly Realm): Couchbase Mobile"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Deciding on your mobile app tech stack shouldn\u2019t be a gamble. Couchbase Mobile delivers a proven, scalable, and mature solution built to last. As a leader in mobile databases, Couchbase ensures you\u2019re ready for the growing demand of offline-first, AI-powered mobile and IoT apps. With Couchbase, you can trust your tech stack to stay stable and reliable.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">The MongoDB sync news\u00a0<\/span><\/h2>\n<p><a href=\"https:\/\/www.mongodb.com\/products\/updates\/product-support-deprecation\"><span style=\"font-weight: 400;\">MongoDB has announced the deprecation of its mobile capabilities<\/span><\/a><span style=\"font-weight: 400;\">, namely, Atlas Edge Server, Atlas Device Sync, and Atlas Device SDKs (formerly Realm). This deprecation raises significant concerns for developers relying on MongoDB\u2019s mobile tools, as it forces them to seek new solutions and rework existing projects, disrupting long-term development plans.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">While they state that Realm will remain an open source offering going forward, contributions and support for the project from MongoDB will inevitably wane as they sunset the technology from their commercial portfolio.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">We can guess there are many reasons for this product deprecation, but we are certain of some related factors:<\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">MongoDB Atlas acquired Realm in 2019, and has struggled ever since to unify the two disparate technology stacks to offer a scalable enterprise grade solution.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">The solution had many issues that made it a challenge for customers to use for offline-first use cases.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">MongoDB has now failed twice to play in the mobile space, first with Realm, then with the Realm reboot as Atlas Device SDK. We don\u2019t think they will try again with a native solution anytime soon.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">With this latest development, MongoDB is effectively washing their hands of mobile capabilities and forcing customers to move to alternative, third party, technologies for their mobile apps, and at the same time asking them to integrate those alternatives with MongoDB Atlas as the backend cloud database.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The news is receiving a frosty reception from MongoDB customers using those features, to say the least, as evidenced in <\/span><a href=\"https:\/\/www.mongodb.com\/community\/forums\/t\/device-sync-and-edge-server-are-deprecated\/296035\/8\"><span style=\"font-weight: 400;\">developer posts on their forum<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In the rush to alternatives, some developers may consider SQLite, the open source embedded database. However, they will quickly find that SQLite is built for standalone apps, has no built in data sync, and is not document oriented so it is less flexible for development and struggles to scale. As such it&#8217;s not a viable solution for offline-first, enterprise class, mobile and IoT app deployments.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">We\u2019re here to suggest that, if you have to move mobile apps off of MongoDB anyway, why go the path of a complicated integration? You should move to a complete end-to-end database platform with a proven track record and over 10 years of mobile support excellence: <\/span><a href=\"https:\/\/www.couchbase.com\/products\/mobile\/\"><span style=\"font-weight: 400;\">Couchbase Mobile<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Couchbase Mobile: 10 years of mobile excellence<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Launched in 2014, Couchbase Mobile is a mature, end-to-end mobile database platform used to power high-scale, mission-critical mobile apps like those at <\/span><a href=\"https:\/\/youtu.be\/feADtbfndG4\"><span style=\"font-weight: 400;\">Emirates<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/www.couchbase.com\/customers\/pepsico\/\"><span style=\"font-weight: 400;\">PepsiCo<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/www.couchbase.com\/customers\/tommy-hilfiger\/\"><span style=\"font-weight: 400;\">Tommy Hilfiger<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/www.couchbase.com\/customers\/pge\/\"><span style=\"font-weight: 400;\">PG&amp;E<\/span><\/a><span style=\"font-weight: 400;\"> and countless more. We\u2019ve been successful in mobile for over a decade, providing developers with options for <\/span><a href=\"https:\/\/www.couchbase.com\/products\/editions\/mobile\/\"><span style=\"font-weight: 400;\">large enterprise, or free community edition deployments<\/span><\/a><span style=\"font-weight: 400;\">, and will continue to expand the Couchbase Mobile offering and capabilities in line with the evolving features in our customers applications (most recently coming to market with vector search features that run on-device, enabling offline-first AI-powered apps at the edge that have no dependencies on the internet).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Couchbase Mobile is a superior alternative to Atlas Device Sync because it provides a more complete cloud-to-edge solution for offline-first, mobile and IoT apps than MongoDB ever had, and certainly better than using loosely-integrated mashups of MongoDB and 3rd party solutions!<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">The Couchbase Mobile stack<\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-16330 size-full\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2024\/09\/1_APP_SERVICES.png\" alt=\"Capella App Services\" width=\"1017\" height=\"624\" srcset=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2024\/09\/1_APP_SERVICES.png 1017w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2024\/09\/1_APP_SERVICES-300x184.png 300w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2024\/09\/1_APP_SERVICES-768x471.png 768w\" sizes=\"auto, (max-width: 1017px) 100vw, 1017px\" \/><span style=\"font-weight: 400;\">We simplify your architecture by specializing in powering offline-first applications at the edge with three foundational components:<\/span><\/p>\n<p style=\"padding-left: 40px;\"><b>A cloud-native database<br \/>\n<\/b><span style=\"font-weight: 400;\">Available as a fully managed and hosted Database as a Service with <\/span><a href=\"https:\/\/www.couchbase.com\/products\/capella\/\"><span style=\"font-weight: 400;\">Couchbase Capella<\/span><\/a><span style=\"font-weight: 400;\">, or deploy and host <\/span><a href=\"https:\/\/www.couchbase.com\/products\/server\/\"><span style=\"font-weight: 400;\">Couchbase Server<\/span><\/a><span style=\"font-weight: 400;\"> on your own.<\/span><\/p>\n<p style=\"padding-left: 40px;\"><b>An embedded database<br \/>\n<\/b><a href=\"https:\/\/www.couchbase.com\/products\/lite\/\"><span style=\"font-weight: 400;\">Couchbase Lite<\/span><\/a><span style=\"font-weight: 400;\"> is the embeddable version of Couchbase for mobile and IoT apps that stores data locally on the device. It\u2019s lightweight, provides full CRUD and SQL++ support, as well as comprehensive platform support including Swift, Obj-C, Kotlin, .Net, Java and C, as well as community and partner maintained <\/span><a href=\"https:\/\/docs.couchbase.com\/couchbase-lite\/current\/javascript\/quickstart.html\"><span style=\"font-weight: 400;\">support for JavaScript<\/span><\/a><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">.<\/span><\/span><\/p>\n<p style=\"padding-left: 40px;\">While MongoDB Atlas Device SDKs do support Flutter, React Native and Node.js natively, they do not support C, which imposes a limitation on the platforms and devices they can support (probably another reason for the deprecation). With C support in Couchbase Mobile, Couchbase Lite can be embedded to nearly any platform or device, including resource constrained single-board computer IoT devices.<\/p>\n<p style=\"padding-left: 40px;\"><b>Data synchronization from the cloud to the edge<br \/>\n<\/b><span style=\"font-weight: 400;\">A secure, hierarchical gateway for data sync over the web, as well as peer-to-peer sync between devices, with support for authentication, authorization and fine-grained access control. Choose from fully hosted and managed data sync with <\/span><a href=\"https:\/\/www.couchbase.com\/products\/capella\/app-services\/\"><span style=\"font-weight: 400;\">Capella App Services<\/span><\/a><span style=\"font-weight: 400;\">, or install and manage <\/span><a href=\"https:\/\/www.couchbase.com\/products\/sync-gateway\/\"><span style=\"font-weight: 400;\">Couchbase Sync Gateway<\/span><\/a><span style=\"font-weight: 400;\"> yourself.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Check out this demo video of Couchbase Mobile data sync between devices and from cloud to edge: <\/span><a href=\"https:\/\/youtu.be\/k0eGxp6YmpU?feature=shared\"><span style=\"font-weight: 400;\" data-rich-links=\"{&quot;fple-t&quot;:&quot;Couchbase Mobile - live data sync demo&quot;,&quot;fple-u&quot;:&quot;https:\/\/youtu.be\/k0eGxp6YmpU?feature=shared&quot;,&quot;fple-mt&quot;:null,&quot;type&quot;:&quot;first-party-link&quot;}\">Couchbase Mobile &#8211; live data sync demo<\/span><\/a>.<\/p>\n<p><iframe loading=\"lazy\" title=\"Couchbase Mobile - live data sync demo\" width=\"900\" height=\"506\" src=\"https:\/\/www.youtube.com\/embed\/k0eGxp6YmpU?feature=oembed&#038;enablejsapi=1&#038;origin=https:\/\/www.couchbase.com\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<h3><span style=\"font-weight: 400;\">Vector search support for AI features<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">What&#8217;s more, Couchbase Mobile goes beyond the capabilities of MongoDB by offering vector search both in the cloud with Capella AND on-device in <\/span><a href=\"https:\/\/www.couchbase.com\/products\/lite\/\"><span style=\"font-weight: 400;\">Couchbase Lite<\/span><\/a><span style=\"font-weight: 400;\">, enabling <\/span><a href=\"https:\/\/en.wikipedia.org\/wiki\/Semantic_search\"><span style=\"font-weight: 400;\">semantic search<\/span><\/a><span style=\"font-weight: 400;\"> and <\/span><a href=\"https:\/\/en.wikipedia.org\/wiki\/Retrieval-augmented_generation\"><span style=\"font-weight: 400;\">RAG<\/span><\/a><span style=\"font-weight: 400;\"> at the edge with no internet dependencies, making searches fast, secure and reliable.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Watch this explainer video on Couchbase Mobile vector search: <\/span><a href=\"https:\/\/youtu.be\/yGiTZXI2hLk?feature=shared\"><span style=\"font-weight: 400;\" data-rich-links=\"{&quot;fple-t&quot;:&quot;Couchbase Mobile Vector Search from Cloud to Edge&quot;,&quot;fple-u&quot;:&quot;https:\/\/youtu.be\/yGiTZXI2hLk?feature=shared&quot;,&quot;fple-mt&quot;:null,&quot;type&quot;:&quot;first-party-link&quot;}\">Couchbase Mobile Vector Search from Cloud to Edge<\/span><\/a>.<\/p>\n<p><iframe loading=\"lazy\" title=\"Couchbase Mobile Vector Search from Cloud to Edge\" width=\"900\" height=\"506\" src=\"https:\/\/www.youtube.com\/embed\/yGiTZXI2hLk?feature=oembed&#038;enablejsapi=1&#038;origin=https:\/\/www.couchbase.com\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<h2><span style=\"font-weight: 400;\">Couchbase Mobile: here for you today and in the future<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">At Couchbase we are committed to being a leader in mobile database applications, and will continue to grow and evolve our offering to meet the expanding demand for offline-first, AI-powered mobile and IoT apps. You shouldn&#8217;t have to worry about your tech stack being around for the duration, go with Couchbase Mobile and gain the peace of mind that comes with adopting a proven, scalable, mature technology!<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Try it yourself, it&#8217;s free!<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">You can sign up to use the <\/span><a href=\"https:\/\/www.couchbase.com\/blog\/free-tier-capella-dev-available\/\"><span style=\"font-weight: 400;\">Free Tier of Couchbase Capella<\/span><\/a><span style=\"font-weight: 400;\">, which includes Capella App Services, the hosted data sync solution in Capella. <\/span><a href=\"https:\/\/cloud.couchbase.com\/sign-up\"><span style=\"font-weight: 400;\">See for yourself<\/span><\/a><span style=\"font-weight: 400;\"> how easy it is to set up for mobile data sync!<\/span><\/p>\n<p><span style=\"font-weight: 400;\">You can even test data sync through Capella App Services using this sample mobile application called <\/span><a href=\"https:\/\/apps.apple.com\/us\/app\/simple-data-sync\/id6449199482\"><span style=\"font-weight: 400;\">Simple Data Sync<\/span><\/a><span style=\"font-weight: 400;\">, simply install it on two devices to see peer-to-peer sync in action. And to sync from cloud to edge, follow the instructions in the <\/span><a href=\"https:\/\/github.com\/waynecarter\/simple-sync\"><span style=\"font-weight: 400;\">app source code on GitHub<\/span><\/a><span style=\"font-weight: 400;\"> to <\/span><a href=\"https:\/\/github.com\/waynecarter\/simple-sync?tab=readme-ov-file#configure-an-endpoint\"><span style=\"font-weight: 400;\">configure Capella App Services<\/span><\/a><span style=\"font-weight: 400;\"> for syncing with the Simple Data Sync sample app.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Resources<\/span><\/h2>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Dive deeper: <a href=\"https:\/\/www.couchbase.com\/blog\/migrate-mongodb-atlas-to-couchbase\/\">How to Migrate MongoDB Device Sync (Realm) Apps to Couchbase Capella App Services<\/a><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Learn more about the <\/span><a href=\"https:\/\/www.couchbase.com\/products\/mobile\/\"><span style=\"font-weight: 400;\">Couchbase Mobile<\/span><\/a><span style=\"font-weight: 400;\"> stack<\/span><\/li>\n<li style=\"font-weight: 400;\"><a href=\"https:\/\/cloud.couchbase.com\/sign-up\"><span style=\"font-weight: 400;\">Sign up for free access to Capella here<\/span><\/a><\/li>\n<li>Download whitepaper: <a href=\"https:\/\/www.couchbase.com\/content\/c\/how-to-choose-a-mobi?x=9xr1sL\">How to Choose a Database for Your Mobile Apps<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Deciding on your mobile app tech stack shouldn\u2019t be a gamble. Couchbase Mobile delivers a proven, scalable, and mature solution built to last. As a leader in mobile databases, Couchbase ensures you\u2019re ready for the growing demand of offline-first, AI-powered [&hellip;]<\/p>\n","protected":false},"author":68550,"featured_media":16289,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1821,1810,1816,7666,2366,9937],"tags":[10062,9694],"ppma_author":[8920,9163],"class_list":["post-16287","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-couchbase-architecture","category-couchbase-mobile","category-couchbase-server","category-edge-computing","category-sync-gateway","category-vector-search","tag-2024-themes","tag-mongodb-atlas"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.8 (Yoast SEO v25.8) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Your Alternative To MongoDB Atlas Device Sync &amp; Atlas Device SDKs (formerly Realm): Couchbase Mobile<\/title>\n<meta name=\"description\" content=\"While MongoDB ends mobile support, Couchbase Mobile offers a reliable, scalable solution for offline-first, AI-powered apps.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.couchbase.com\/blog\/couchbase-mobile-alternative-to-mongodb-sync\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Your Alternative To MongoDB Atlas Device Sync &amp; Atlas Device SDKs (formerly Realm): Couchbase Mobile\" \/>\n<meta property=\"og:description\" content=\"While MongoDB ends mobile support, Couchbase Mobile offers a reliable, scalable solution for offline-first, AI-powered apps.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.couchbase.com\/blog\/couchbase-mobile-alternative-to-mongodb-sync\/\" \/>\n<meta property=\"og:site_name\" content=\"The Couchbase Blog\" \/>\n<meta property=\"article:published_time\" content=\"2024-09-13T13:00:41+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-14T02:49:19+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2024\/09\/blog-couchbase-mobile-mongodb-atlas-sync-alternative-1024x536.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"536\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Mark Gamble, Director of Product &amp; 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