Keep your numbers

Every calculator on FitTools is free to use. A free account is what keeps what they tell you: your results, your streaks and your arcade bests, on every device you use. Everything you store can be exported or deleted in one click.

Face ID, Touch ID or your device PIN. Nothing to remember, and it signs you in without leaving the app.

No password — the link is the sign-in. It works once and expires in 15 minutes.

Or continue with

Not sure what an account gets you? See the home screen it builds.

Use the same method each time you sign in: email and Apple can give the same person two different addresses, which would create two accounts. Read how your data is handled in the privacy policy.