Android × App Startup
Android App Startup
We track 59 Android App Startup case studies from 38 engineering teams. Google, Grab and Slack write about it most. Many posts also cover Performance Profiling and App Size. The posts run from 2014 to 2026. The newest is from June 2026.
Android App Startup articles 1–30 of 59
How a Kotlin compiler plugin cut Android time to first render by 30%
Łukasz Kosmaty from Expo just shipped a compiler plugin that cuts Android app startup time by 30%. No code changes required for developers.
Instagram and Facebook Deliver Instant App Experiences on Android
Mayuri Khinvasara Khabya reveals how Meta eliminated video loading delays for billions of users. The secret? A complete rethinking of how Android apps prepare content before you even tap play.
Project Butter: A Journey for App Performance Improvement
Gojek's Android app was taking 14.35 seconds to launch. With 500+ modules and millions of lines of code, something had to change.
Fully Optimized: Wrapping up Performance Spotlight Week
Ben Weiss and Sara Hamilton from Google wrap up Performance Spotlight Week with a roadmap to faster Android apps. Reddit cut ANR errors by 30% with one configuration change.
How Reddit used the R8 optimizer for high impact performance
Ben Weiss from Google shares how Reddit achieved 40% faster cold startup and boosted Play Store ratings in under 2 weeks. The secret? Finally enabling R8 optimizer's full potential.
Deeper Performance Considerations
Ben Weiss, Breana Tate, and Jossi Wolf from Google just dropped a performance goldmine: Trello cut startup time by 25%, and Meta saw improvements up to 40%. All from one optimization technique most teams haven'...
Use R8 To Shrink, Optimize, and Speed Up Apps
Ben Weiss from Google reveals the single most impactful, low-effort change you can make to Android app performance. Reddit saw 40% faster cold startup and Disney+ cut ANRs by 25% with one configuration tweak.
Accelerating our Android apps with Baseline Profiles
Meta just shipped a masterclass in Android performance optimization. Their apps now load up to 40% faster thanks to one underutilized Android feature.
Improve App Performance With Optimized Resource Shrinking
Johan Bay from Google just dropped a game-changer for Android app size. Apps sharing resources across form factors are seeing 50%+ size reductions with one configuration change.
From Biology to Code: How Android’s Zygote Enables Fast and Efficient App Launching
Ever wonder why Android apps launch so fast? The answer lies in a clever biological hack borrowed from how human cells divide.
Duolingo's Android Performance Case Study and DAU Growth
Chenglai Huang and Michael Huang from Duolingo reveal how 39% of entry-level Android users were abandoning their app before it even loaded. Their fix? A masterclass in performance optimization that saved hundre...
How We Slashed Android Startup Time by 30% with Baseline Profiles
Duolingo's Android team cut startup time by 30% with baseline profiles. But the path from 'easy setup' to production was anything but smooth.
How We Enhanced Our Android App’s Startup Time by Over 50%
Back Market slashed their Android app startup time by 60%. Here's the engineering breakdown that made it happen.
Reddit Improved App Startup Speed Using Baseline Profiles & R8
Reddit just proved that Android's built-in performance tools can deliver massive wins without custom engineering. Their app startup improvements are eye-opening.
How We Reduced GrabX SDK Initialisation Time
Grab's SDK was taking 4 minutes to initialize with 400MB of config data. That's a cold start problem that kills autoscaling.
Mobile App Launch Profiling
Andrew McKnight from Sentry just solved one of mobile performance monitoring's biggest blind spots. Ever wondered what's actually happening in your app before main() even gets called?
Snappy, Not Crappy: An Android Health & Performance Journey
Your Android app might be bleeding users before they even finish launching it. Performance isn't a feature anymore. It's table stakes.
How We Improved Our 1Weather Android App Cold Startup Time by Over 70%
The 1Weather team slashed their Android app cold start time by over 70% and reduced slow starts by 24%. Here's the systematic approach that got them there.
How Baseline Profiles Improve Skeelo Android App Performance
Skeelo's Android app had a problem: too many users were experiencing painfully slow startup times. They needed a solution that didn't require rewriting their entire codebase.
Boost Your Android App’s Performance with Baseline Profiles
Delivery Hero's Android team achieved 30% performance gains without writing a single line of new feature code. Here's how baseline profiles transformed their app.
Android Developers Blog: NordVPN boosted the speed of its login user flow by 60% using Baseline Profiles
NordVPN just made their Android app 60% faster in one critical flow. The fix? A performance feature most Android devs still aren't using.
Building a Better Instagram App for Android
Instagram cut their Android app startup time in half and reduced APK size by 50%. Here's how they did it.
Login & Signup Result Improvement in Swiggy Android App
Swiggy was losing users during login and signup despite optimizing app size and launch time. The culprit? Manual data entry errors.
Optimising Page Load Times in Flipkart Mobile App
Flipkart shaved 30% off page load times in their React Native app with 500M weekly visits. Here's how they did it without rewriting everything.
How we lowered Fullstory for Android’s impact on app startup time by 75% thanks to Emerge Tools
Fullstory got a wake-up call when a prospect flagged a 6% startup time increase from their Android SDK. Even when disabled, the SDK was adding 100ms to app launches.
Android App Performance and Optimization
70% of users expect apps to launch in 3 seconds. 63% will abandon yours if it takes more than 5.
How We Improved Our Android App Cold Start Time by 53%
Swiggy's Android team cut cold start time by 53% in three months. Here's the playbook that drove a 2.2% conversion lift.
Enhancing Our Android App's Launch Performance
Pepperfry's Android app launches 130,000+ times daily. Every millisecond of delay risks losing customers at the door.
From Snail to Sonic: How Baseline Profiles Supercharged Meetup's Android App
Meetup cut their Android app startup time by 36% without writing much code. Here's how a simple Google technology delivered massive performance gains.
App Modularization and Module Lazy Loading at Instagram and Beyond
Instagram's app was getting bloated. More engineers, more features, slower cold starts, and ballooning app size threatened the lean experience users loved.