Support

Stacks tracks calories, macros and strength training on iPhone. For any question, problem or feedback, write to the email at the bottom of this page.

To help us answer quickly, please include your device model, your iOS version, and a short description of what happened and what you expected.

You can export all of your data at any time from the app settings. The export contains your meals, foods, workouts, body measurements and targets.

You can delete your account from the app settings. Deleting the account permanently removes your account and all data associated with it. This cannot be undone.

If you cannot sign in, use the password reset option on the sign-in screen. A reset link is sent to the email address on your account. If the email does not arrive, check your spam folder, then contact us at the address below.

How your data is processed is described in the Privacy Policy. Use of the service is governed by the Terms. Publisher and hosting details are on the Legal Notice.