Monzo boosts performance metrics by up to 35% with a simple R8 update

Monzo is a UK digital bank with 15 million customers and growing. As the app scaled, the engineering team identified app startup time as a critical area for improvement but worried it would require significant changes to their codebase.

Fully Optimized: Wrapping up Performance Spotlight Week

From the foundational powers of the R8 optimizer and Profile Guided Optimizations, to performance improvements with Jetpack Compose, to a new guide on leveling up your app's performance, we've covered the low effort, high impact tools you need to build a performant app.

Deeper Performance Considerations

We're covering Profile Guided Optimization, Jetpack Compose performance improvements and considerations on working behind the scenes.

Configure and troubleshoot R8 Keep Rules

The Android build system's primary tool for achieving a small, fast, and secure application is the R8 optimizer, the compiler that handles dead code and resource removal for shrinking, code renaming or minification, and app optimization.

Use R8 to shrink, optimize, and fast-track your app

We're kicking things off with the single most impactful, low-effort change you can make to improve your app's performance: enabling the R8 optimizer in full mode.

How Reddit used the R8 optimizer for high impact performance improvements

During their work with the Android Developer Relations team, the engineering team at Reddit used the App Performance Score to evaluate their app.