Free App Store tools for indie iOS developers.
Genuinely free - every tool below runs in your browser. No signup, no paywall. The full AppGrowKit is paid; these surfaces stay free forever.
Market & keyword intelligence
Live App Store data: keyword volume, rankings, top charts, and revenue estimates, powered by our own catalog.
Keyword Checker
NewCheck any keyword's estimated App Store search volume, difficulty, and opportunity score, plus the apps ranking for it. Live data, 20 storefronts.
Keyword Rank Checker
NewPaste your app and a keyword to see exactly where you rank in any storefront, plus the apps sitting above you.
Top Charts
NewBrowse the top free and top paid apps by category across 13 countries, with live ratings and rank.
Revenue Estimator
NewPaste any App Store link to see modelled monthly downloads and revenue ranges, built from public signals.
Metadata & ASO
Title, subtitle, and keyword field limits - polish the copy Apple indexes for search.
Character Counter
Count characters against Apple's title / subtitle / keyword field limits - live as you type.
Keyword Optimizer
Dedupe App Store keywords, strip title/subtitle overlap, and count UTF-8 bytes against the 100-byte limit.
Subtitle Generator
Generate App Store subtitle ideas under the 30-character limit from benefit keywords and category.
Screenshots & graphics
Icons, screenshot sizes, and store banners - export every pixel spec without leaving the browser.
App Icon Generator
Most popularDrop a 1024×1024 icon, download every App Store + iOS device size in one zip.
Screenshot Resizer
Drop in any screenshot and download every App-Store-Connect-accepted size.
Play Feature Graphic
Resize any image to Google Play's 1024×500 feature graphic with cover crop - download PNG locally.
Listing Preview
See how your icon, name, subtitle, and screenshots render on App Store + Play before you submit.
Copy & updates
Release notes and review replies - ship human-sounding copy in seconds, not boilerplate.
Pricing & revenue
Localized price points and revenue math. Price every storefront like you mean it.
Launch & compliance
Bundle IDs, privacy labels, and guideline checks - catch submission blockers before review.
Bundle ID Generator
Reverse-DNS bundle IDs (com, io, app) from company and app names with slugify validation.
Privacy Nutrition Label
Walk through Apple's privacy questionnaire and export the nutrition label JSON.
Rejection Checker
Run your metadata against Apple + Google guidelines - catch beta language, missing privacy URLs, and pricing slip-ups.
Want the rest?
AppGrowKit adds AI screenshots, ASO autopilot, and competitor watch.
Same free tools above, plus AI App Store screenshot generation from your real app screens, weekly automated keyword tracking, and side-by-side competitor screenshot diffs in your inbox.