Free tools for mobile app developers
Privacy labels and Data Safety forms, analytics privacy checks, and calculators for growth. Free, and they run in your browser.
Nothing you enter is sent to us: we do not see, collect or store your answers.
Store disclosures
Fill in Apple's and Google's privacy questions with the official definitions at hand.
- iOS Privacy Label Generator App Store labels and a PrivacyInfo.xcprivacy file All 14 Apple data categories, with the linked and tracking flags.
- Google Play Data Safety Generator A CSV to import into Play Console All 14 Google data categories, with collection and sharing purposes.
- Dependency Privacy Scanner Which SDKs put entries on your labels Paste a Podfile.lock, build.gradle or package.json.
Analytics privacy checks
See what your analytics sends, and what it would take to send less.
- Event Schema Linter A verdict for every field in an event How each field reads for the App Store label, Data Safety and GDPR Article 4(1).
- Firebase Migration Generator Your logEvent calls, rewritten Swift, Kotlin, Dart and JavaScript, with a note on every dropped parameter.
- Privacy Self-Assessment Worksheet An inventory to bring to your legal team Seven sections, exported as PDF or Markdown. Educational, not legal advice.
Growth calculators
Numbers for the decisions around your app.
- ASO Funnel Calculator Which store step moved after an update Before and after, from App Store Connect and two in-app events.
- Mobile A/B Test Calculator Sample size, duration and significance Plan a test, then check whether the result holds.
- LTV Calculator Lifetime value, LTV:CAC and payback From ARPU, churn rate and gross margin.
- Churn Rate Calculator Churn, retention and half-life With the revenue each month of churn costs.
- Mobile App Metrics Builder A metrics plan for your app category 16 app categories, exported as Markdown.
Try it on your own app
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