--- title: You Upload an AAB… But Users Still Install APKs. Here’s... description: When developers upload an Android App Bundle (AAB) to Google Play, users never actually download that file. Instead, Google Play runs a processing pipeline... canonical: https://daily.dev/posts/you-upload-an-aab-but-users-still-install-apks-here-s-what-google-play-actually-does-4xtkcekee twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: You Upload an AAB… But Users Still Install APKs. Here’s What Google Play Actually Does | daily.dev og:description: When developers upload an Android App Bundle (AAB) to Google Play, users never actually download that file. Instead, Google Play runs a processing pipeline... og:url: https://daily.dev/posts/you-upload-an-aab-but-users-still-install-apks-here-s-what-google-play-actually-does-4xtkcekee og:image: https://api.daily.dev/og/posts/4xTKCEKEe.png og:image:alt: You Upload an AAB… But Users Still Install APKs. Here’s What Google Play Actually Does og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # You Upload an AAB… But Users Still Install APKs. Here’s What Google Play Actually Does **[ProAndroidDev](https://daily.dev/sources/pand)** · 4 min read · 0 upvotes · 0 comments ## Summary When developers upload an Android App Bundle (AAB) to Google Play, users never actually download that file. Instead, Google Play runs a processing pipeline that converts the AAB into device-specific APKs. The pipeline involves three steps: bundle validation, resource and code optimization, and split APK generation. The resulting APK set includes a base APK, configuration APKs (split by ABI, screen density, and language), and optional dynamic feature APKs. A device only receives the APKs relevant to its configuration, reducing app size by 15–30%, improving install success rates, and enabling on-demand feature delivery. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [I Was Wrong About APK vs AAB for Years — Here’s What Actually Happens](https://daily.dev/posts/i-was-wrong-about-apk-vs-aab-for-years-here-s-what-actually-happens-akzeducky) · Medium · 1 upvotes · 0 comments --- Tags: [#android](https://daily.dev/tags/android), [#google-play](https://daily.dev/tags/google-play) [View this post on daily.dev](https://daily.dev/posts/you-upload-an-aab-but-users-still-install-apks-here-s-what-google-play-actually-does-4xtkcekee) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"You Upload an AAB… But Users Still Install APKs. 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