App Size Estimator

App download size directly affects user acquisition. Research shows that every 6MB increase in app size reduces install rates by approximately 1%. This free estimator helps you plan your app's feature set with size impact in mind.

Start with the base Flutter app (~5MB) and toggle the features you plan to include. The estimator shows the impact of each feature — from lightweight additions like authentication (+0.5MB) to heavier SDKs like Google Maps (+8MB) or AdMob ads (+2MB). Adjust the high-res assets slider and font count to match your specific needs.

Switch between Android and iOS to see platform-specific estimates. iOS apps are typically about 20% larger than their Android counterparts due to differences in binary format, encryption, and asset handling. The comparison feature shows you how your app's size stacks up against popular apps your users already have installed.

These estimates are based on typical Flutter app builds and real SDK sizes. Actual sizes may vary depending on code optimization, tree shaking, ProGuard/R8 settings, and other factors.

Need help optimizing your app's size or building a lean, fast app? Our mobile development team specializes in performant Flutter apps that respect your users' bandwidth and storage.