Free ASO & app marketing tools

App Store charts, icon sizes, metadata limits, screenshot polish, and more.
Built for indie devs shipping real listings. No account required for these free utilities - when you need a full App Store screenshot set, continue in AppGrowthKit.

Live Apple App Store top free and paid charts by country - free ASO research tool

Top App Store Apps

Track Apple App Store top charts across 30 countries. View top free and paid rankings for ASO research - updated from Apple's public RSS feed.

Open tool Live top grossing App Store rankings across 30 countries - free ASO monetization research

Top Grossing Apps

Track the highest-revenue iOS apps across 30 countries. Live App Store rankings from Apple's RSS feed - free ASO research for monetization leaders.

Open tool Free iOS and Android app icon size generator from a single 1024px master image

App Icon Generator

Drop in one 1024px icon and download every iOS and Android size, ready for Xcode and Android Studio. Runs entirely in your browser - nothing gets uploaded.

Open tool Free ASO character counter for App Store and Google Play title, subtitle, and description limits

ASO Character Counter

Count characters for every App Store and Google Play metadata field against exact store limits. Live counts and over-limit warnings - nothing gets truncated at submission.

Open tool Free online screenshot beautifier with backgrounds, shadows, and rounded corners

Screenshot Beautifier

Add polished backgrounds, padding, shadows, and rounded corners to any screenshot in seconds. Perfect for social posts, docs, and portfolios.

Open tool Free kakushie and X tap-to-reveal PNG maker - paint timeline visibility and download PNG8

Tap Hold Maker

Hide images on X with a kakushie-style PNG8. Paint what stays visible in the timeline, preview the reveal, and download - free, in-browser, no signup.

Open tool

Next step in AppGrowthKit

Free tools for research - AppGrowthKit for the listing

These free ASO tools help you research charts, generate icon sizes, check metadata limits, polish a single image, or craft social reveals. None of them replace a full App Store or Google Play screenshot set.

AppGrowthKit is the SaaS product behind this toolkit: an AI App Store screenshot maker with device frames, layout and copy assistance, and one-click export for every store size. Use free tools to prepare - use AppGrowthKit to ship the listing.

  • Multi-screen projects with real device frames
  • AI layouts and captions you fully control before export
  • Free to start designing; paid plans unlock unlimited store export

Create store-ready App Store screenshots

Free tools cover one step of your launch. AppGrowthKit designs the full screenshot set with device frames and store-ready export.