Tools
Free tools for app developers
Small, free utilities for people shipping iOS and Android apps. No signup, no limits, nothing stored.
App Store & Google Play fee calculator
What Apple and Google keep, and what actually reaches you — including the 15% small-business rates and the reduced rate on subscriptions after year one.
Open tool →ASO character counter
Every App Store and Google Play metadata field against its real limit, before the console rejects it.
Open tool →App Store rank checker
Any iOS app’s live position on the Top Free or Top Paid chart, across 22 storefronts.
Open tool →