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Privacy Policy

Bide has no accounts and no cloud. Your fasts, logs and profile are stored on your phone, and we never receive them. This Policy explains the little that does leave your device, and the choices you have.

Effective date: October 4, 2026

What stays on your device

Everything you enter into Bide is saved in a database on your phone. It is not uploaded to us or to any server we run, and we cannot see it. This includes:

  • Fasting data: your fasts with their start and end times, your plans and custom eating windows, and the mood you pick when you end a fast.
  • Water and weight logs: the amounts and dates you record.
  • Your onboarding profile: your goals, sex, birth year, height, current and goal weight, pace and fasting experience, used to suggest a plan and a projection.
  • Settings: reminder times, units, theme and language.

Reminders are scheduled by your phone as local notifications; no notification server is involved. Your phone's own backup (such as iCloud or Google backup) may include Bide's data, under Apple's or Google's terms.

What leaves your device

Bide shows no ads and contains no analytics, tracking or advertising SDKs. Only the following leaves your phone:

  • Purchase data: to check whether you have an active trial or subscription, Bide uses RevenueCat. RevenueCat receives a random, anonymous app user ID, your purchase history from the App Store or Google Play, and basic technical data such as device model, operating system, app version, country and IP address. No name, email or fasting data is sent. We never receive your card details; Apple or Google handle payment.
  • Support emails: if you write to us, we receive your email address and whatever you choose to include.
  • Backups you export: Export my data creates a file that you save or share wherever you choose. Where it goes is up to you, and it is never sent to us.

How we use information

  • On your phone, Bide uses your data to run the timer, show your progress and stats, schedule your reminders and tailor your plan.
  • We use purchase data only to unlock the app during a trial or subscription, and to restore your purchase on a new phone.
  • We use support emails only to answer you.
  • We do not sell your information, show ads, or use it for profiling.

Sharing

We do not sell or rent personal information, and we do not share it for advertising. Bide relies on these service providers, which process data only to provide their service:

  • Apple (App Store) and Google (Google Play): distribute the app and process subscription payments, under their own privacy policies.
  • RevenueCat: manages subscription status, as described above.

We may disclose information we hold if required by law, or where needed to protect the rights and safety of our users.

Data retention

Data on your phone stays there until you erase it or delete the app; we hold no copy. RevenueCat keeps purchase records for as long as needed to manage your subscription and to meet accounting and legal obligations. We keep support emails only as long as needed to help you.

Your choices and rights

  • Edit anything: change or delete any fast, log or profile detail in the app at any time.
  • Erase everything: in the Settings tab, under Data, tap Erase all data. This permanently deletes your fasts, logs, plans and settings from the phone. Deleting the app does the same. Your subscription is not affected; cancel it in your App Store or Google Play account.
  • Take your data with you: in the Settings tab, under Support & data, tap Export my data to save a backup file, and Restore from backup to load it on another phone.
  • Notifications: Bide only sends reminders if you allow notifications, and you can turn them off in the app or in your phone settings.
  • Requests: because we hold none of your app data, the steps above are how you access or delete it. For purchase data held by RevenueCat, email us and we will help you access or delete it.
  • Regional rights: if you're in a region with additional privacy rights (such as the EEA, UK or California), you may have rights to access, correct, delete or restrict the processing of your personal information, and to complain to your local data protection authority.

Children

Bide is meant for adults. Fasting is not recommended for anyone under 18, and Bide is not directed to children. The only personal information we could receive from a child is a support email; if you believe a child has contacted us, let us know and we'll delete it.

Security

Your data is protected by your phone's own security, such as its passcode, biometrics and encryption, so keep your phone locked and up to date. Purchase data is sent to RevenueCat over encrypted connections. No method of storage or transmission is 100% secure, so we can't guarantee absolute security.

Changes to this Policy

If we change how Bide handles data, we'll update this page and its effective date. If a change is significant, such as data leaving your phone in a new way, we'll also tell you in the app before it takes effect.

Contact

Questions or requests about privacy can be sent to bidefasting.app@gmail.com.

Guides

  • How to start intermittent fasting
  • 16:8 intermittent fasting
  • Fasting stages by hour
  • Does water break a fast?
  • What can you drink while fasting?
  • How much water to drink while fasting
  • All guides

Help and legal

  • Help
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  • Restore purchases
  • Delete your data