Free tools for app store listings
12 free tools that run entirely in your browser — no account, no upload to our servers, no watermark. The AI tools use your own OpenRouter or Gemini key (or the server's, if the host configured one).
Design
Mockups, templates and screenshot layouts
Template gallery34 free App Store and Google Play screenshot templates in 9 styles — panoramic, 3D, make-it-pop, neon, foldable and more. Preview them at every store size.Device mockup generator31 device frames — iPhone 18 Pro, iPhone Duo, iPad Pro, Pixel, Galaxy, MacBook, Apple Watch and more — in 5 styles with true 3D thickness when tilted.Store listing previewNewSee how your icon, name, subtitle and screenshots look in App Store search results, on the product page and on Google Play — before you submit.Icon color paletteNewDrop your app icon or a screenshot and get a matching color palette, gradients and screenshot background ideas.
Store assets
Resize, validate and generate store-ready files
Screenshot resizerBatch-resize screenshots to exact App Store and Google Play sizes. Crop or pad, remove transparency, convert PNG ↔ JPEG — all in your browser.Screenshot size checkerNewCheck whether your screenshots will be accepted by App Store Connect and Google Play: exact sizes, alpha channel, aspect ratio and file size — and fix them in one click.Clean status barNewReplace messy status bars in your screenshots with a clean Apple-style 9:41, full battery and full signal bar — or a clean Android one. Batch, in your browser.App icon generatorTurn one 1024×1024 image into every icon size: Xcode asset catalog, Android adaptive icons, Play Store 512×512 and web favicons.
ASO & metadata
Write and check your listing copy
Metadata character counterNewCount characters for App Store and Google Play title, subtitle, keywords, promotional text and descriptions — with live warnings for common rejection reasons.Keyword field optimizerNewClean up your App Store keyword field: remove duplicates and words already in your name, strip spaces and fit the most keywords into 100 characters.
AI writing
Bring your own OpenRouter or Gemini key
Review reply generatorAINewDraft polite, on-brand replies to App Store and Google Play reviews in any language, within the store's length limits.Release notes generatorAINewTurn a commit list or changelog into friendly “What's New” text for the App Store and Google Play — and translate it into every language you ship.
Make your store screenshots now — free
Templates, device mockups, AI translation and exact-size export for both stores. No account, no watermark.