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

Posted by Ben Weiss, Senior Developer Relations Engineer 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. By fully enabling R8 optimizations, Monzo achieved a massive 35% reduction in their Application Not Responding (ANR) rate.