Curated Engineering Reads

The Best Reads on Mobile App Performance

How top companies optimize their apps for the best customer experience.

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Very Good Ventures makes the case for Flutter with data that's hard to ignore: 93% developer satisfaction and 24% user growth in a single year. If you're evaluating cross-platform frameworks, this breakdown cut...

Owen Voorhees from Apple just dropped a bombshell: the build engine that powers millions of App Store apps is now open source. This changes everything for Swift developers working across platforms.

Building 3D Animations in Mobile Apps

Company: Wise · Jan 29, 2025
Platform: Android / iOS

Yağız Gürgül from Wise Engineering reveals how they shipped interactive 3D animations in their mobile app—and crushed a 324 MB asset bundle down to just 3.7 MB. The secret? A clever web-based approach that deli...

Etsy just rewrote major parts of their Android app with Jetpack Compose and saw conversion rates climb. Here's how they pulled off the migration without breaking production.

A solo Android engineer at WINK+ crushed their APK down to under 8MB while competitors bloat past 20MB with fewer features. Here's the playbook.

Instagram just migrated to Jetpack Compose. But when you're operating at Meta scale, you can't just import some AARs and start coding.

Maru Ahues Bouza from Google just dropped a bombshell: Android 16 is killing off portrait-only and fixed-orientation apps on large screens. If your app locks orientation, you've got work to do.

Enes İğneci from Teknasyon Engineering breaks down why your Android app might be bloated, slow, and vulnerable. The fix? Two powerful code optimization tools most developers underutilize.

React Native just got a serious performance boost. The humble <Text /> component now runs 35% faster in newer versions.

React Native 0.77 just dropped with over 1,061 commits from 161 contributors. The team is bringing web-standard CSS properties to mobile and making a bold move to Swift for iOS templates.

Swift vs React Native: the debate that never dies. But what does the data actually show?

Most React Native performance problems aren't framework issues. They're developer knowledge gaps that compound over time.

Shopify went all-in on React Native five years ago. Here's what happened when they migrated every single mobile app.

Mustafa Ali from Shopify just dropped a masterclass in platform migration strategy. Five years after betting the company's mobile future on React Native, here's what actually happened.

Muhammad Zuhriyan Sauqi from IDN Engineering makes a bold case: RxJava isn't dead in 2025, it's just misunderstood. While Kotlin Coroutines dominate modern Android development, he argues there's still a compell...

Google Maps just pulled back the curtain on how they deliver smooth experiences across Android's massive device fragmentation. The secret? Performance Class.

Husein Murtadlo from IDN Engineering shows how RevenueCat can replace Google Play Billing Library's complexity with just a few lines of Kotlin code. If you've ever wrestled with in-app purchase implementation, ...

Merpay just migrated hundreds of payment screens to modern UI frameworks while keeping their app running in production. Here's how they managed a 2-year engineering transformation.

Mercari's Hallo team shares how they built a robust Flutter testing strategy that actually speeds up development instead of slowing it down.

Mercari's mobile team faced a tough choice: use an unmaintained plugin or build native calendar integration from scratch. They chose the harder path and discovered a better way.

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