Free App Store Tools
Everything you need to prepare your app store listing — screenshot sizes, icon previews, character limits, and legal docs. No account needed, just use them.
Screenshot Generator
Create store-ready App Store and Google Play screenshots in your browser: device frame, gradient background, and headline text. Download free.
Screenshot Size Checker
Every screenshot dimension for iPhone, iPad, Android, and Google Play — with one-click copy. Never get rejected for wrong sizes again.
Screenshot Mockup Previewer
Preview your app screenshots inside device frames for iPhone, iPad, Pixel, and Galaxy. See exactly how they look before submission.
App Icon Previewer
Upload your icon and preview it at every required size — on home screens, in search results, and in Settings. Spot issues before submission.
App Store Character Counter
Live character counts for app names, subtitles, keywords, and descriptions — with platform-specific limits for iOS and Android.
ASO Keyword Density Analyzer
Analyze keyword density in your app descriptions. Avoid keyword stuffing and optimize for Google Play search indexing.
App Color Palette Generator
Generate beautiful, harmonious color palettes for your app. Preview accessibility contrast and export as CSS variables.
Privacy Policy Generator
Generate a GDPR, CCPA, and App Store compliant privacy policy for your app in seconds. Download as text or HTML — completely free.
A/B Test Significance Calculator
Paste impressions and conversions from Play Console or App Store Connect experiments to check confidence level, lift, and winner detection.
App Launch Checklist
Interactive pre-launch audit covering visual assets, metadata, legal compliance, and technical readiness for iOS & Android.