Last updated: November 8, 2026
Fasting Tracker by Plainwork ("the app") is made by Plainwork Apps. This page explains what the app does with your information.
Your fasts, weight, water, meals, goals and settings are stored on your phone. We do not have an account system and we do not see this information.
When you use "Take a photo of my meal", the photo is sent over an encrypted connection to our server, which passes it to Anthropic, our AI provider, to estimate the foods, protein and calories. The photo is used only to answer that request. It is not saved on our server and is not used for anything else. Anthropic processes it on our behalf under its commercial terms.
With each photo, the app sends a random ID that the app made up when you first opened it. It is not your name, email, phone number or advertising ID. Our server keeps this ID with the date, the result type and the number of foods found, so it can enforce the daily photo limit and keep costs in check.
If you turn on encrypted sync, your data is encrypted on your phone with a recovery key that only you have before it is uploaded. We cannot read it. You can delete your synced copy at any time from the Sync screen.
Payments are handled by Google Play. We never see your card or payment details.
Reminders are scheduled on your phone. No reminder data leaves your phone.
We do not sell your data, show ads, use advertising IDs, or share your data with anyone other than the AI provider described above.
The app is not directed at children under 13.
Your on-phone data is deleted when you delete it in the app or uninstall the app. Your synced copy is deleted from the Sync screen. The photo-limit records hold only a random ID that we cannot link to you, so they cannot be looked up by person.
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