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Privacy

What eatfeel does with your information. It is short because the app does very little with it.

Last updated 28 September 2026

What is stored, and where

Everything you log — meals, ingredients, symptoms, severities, notes, photos, and their timestamps — is stored in a database file on your own phone.

There is no account, no sign-in, no sync, and no server belonging to us. We operate no servers, we receive no copy of your data, and we cannot see anything you log. If you delete the app, that data goes with it. The Export button writes a spreadsheet you can keep as your own backup.

What leaves your phone

Two things, both of which you control.

  • A food photo

    If you enter your own Anthropic API key, photographing a meal sends that one photo, reduced in size, to the Anthropic API so it can be broken into ingredients. The list comes back for you to correct, and nothing saves until you confirm it. Optional, and off until you supply a key. Anthropic’s own policy governs that request: anthropic.com/legal/privacy.

  • A daily update

    If you set it up, a short plain-text summary of a day can go to a Telegram chat or to WhatsApp, handled by them under their own policies. Off until you configure it, and the exact text is shown to you before anything sends.

  • Nothing else

    No analytics, no crash reporting, no advertising, no tracking of any kind.

Your API key

The key you enter is stored in the iOS Keychain, encrypted by the operating system. It is sent only to the provider it belongs to, only to make the requests described above. It is never written into the app’s code and never transmitted anywhere else.

Children

eatfeel is designed to be used by a young person keeping a record of their own symptoms, usually alongside a parent. It collects nothing beyond what that person chooses to log, stores it only on their own device, and has no accounts, no messaging, no social features, and no advertising.

This is not medical advice

eatfeel records; it does not interpret. It deliberately does not suggest what may be causing any symptom. It is a diary to help you notice questions worth asking a doctor or dietitian, not a diagnostic tool.