Frequently asked questions

It is an estimate, not a measurement. The AI recognises the foods it can see and suggests portion sizes; you then review and edit the result before saving. Accuracy improves when you adjust portions, choose the right item from the suggestions, or use the label of a packaged food. Treat the number as a starting point, not an exact value.

Photograph the whole plate from above in natural light, avoid blur, and put one meal in one photo. After the AI suggests foods and portions, correct anything it missed — the result is always editable before it is saved to your diary.

Choose a plan such as 16:8, start your fast in the app, and the tracker shows the remaining time and progress. Past fasts are kept in your diary so you can see your rhythm over time. Fasting is not for everyone — ask a healthcare professional before starting if you are unsure.

Yes. On Android you can connect Health Connect to sync steps, sleep, heart rate and weight into your diary. You choose which data types sync, and you can revoke access at any time in the app or in your phone's Health Connect settings.

No. TempoLife is a health diary and estimation tool. It does not diagnose, treat or prevent any condition, and nothing in the app replaces advice from a doctor or other healthcare professional.

Core features are free to start: food logging with the photo estimate, fasting, sleep, steps and Health Connect sync. You can sign up with Google or email at no cost.

No. TempoLife is an Android app for phones, available on Google Play. There is no iPhone app. This website has free calculators and food pages, but the diary itself is the Android app.

Open the app, go to Settings and choose the account deletion option, or use the deletion page linked from the privacy policy. Deletion removes your personal data in line with our privacy policy.