Free download

App Idea Checker: Find the Gap Before You Build

A free Claude Code skill and Python script that search the App Store for apps like your idea, read their ratings, updates and bad reviews, and write a gap report. No API key, no account. With three real example reports.

The download starts right away; the link also comes by email.

Without the newsletter box you get exactly one email with your link; the address is deleted after 7 days.

What is inside
  • Search Finds similar apps with Apple's public App Store search, in any country.
  • Numbers Ratings, review counts, prices and last updates of every similar app.
  • Complaints Topics of recent 1–2 star reviews of the biggest apps: your first feature list.
  • Signals Demand, concentration, quality gap, neglected apps and newcomers at a glance.
  • Gap report Claude Code turns it into who is served badly, three ways in and the smallest first version.

Python 3.9 or newer and internet. Claude Code for the skill (optional; the script also runs alone). No API key, no account.