Optimising Flipkart Android App size to sub 10 MB
Article Summary
Flipkart slashed their Android app size by 40% in 21 months. The result? A 34% drop in uninstall rates and massive gains in emerging markets.
The Flipkart engineering team documented their journey optimizing their Android app to under 10MB. In markets like India and Brazil, every 10MB reduction correlates with a 2.5% increase in install conversion rates, making app size a critical growth lever.
Key Takeaways
- ProGuard optimization alone saved 3MB when configured correctly
- Automated CI checks block PRs that increase APK size by over 100KB
- Image compression and XML drawables reduced bundle size by 1MB
- Multi-APK architecture splits saved 600KB per build
- Removing unused libraries and resources freed up 3MB+ total
Critical Insight
Through systematic optimization (ProGuard, resource cleanup, library audits, and automated checks), Flipkart reduced their APK by over 40%, directly improving user acquisition and retention metrics.
