FitnessPrivacy
Last updated October 16, 2026
This page explains what data W-Fitness (the workout app and the wujo.dev website) collects, where it is stored, what it is used for and how you can delete it.
Data and where it is stored
| Data | When | Stored |
|---|---|---|
| Workouts: exercises, sets, weight, reps, times, notes | When you log a workout | On your phone. If you sign in: also a copy on our server for backup and sync. |
| Body profile: sex, birth year, height, weight, goal, level, days per week | When you fill it in the first time you open the app | On your phone only; never sent to the server. |
| Account: account ID, email, name, profile picture | When you sign in with Google | Clerk (the sign-in service) and the W-Fitness server. |
| Early-access email and platform (iPhone/Android) | When you submit the form on wujo.dev | The W-Fitness server. |
The W-Fitness server runs on Cloudflare infrastructure (Workers and the D1 database). Sign-in is handled by Clerk; W-Fitness never receives or stores your Google password.
What we use it for
- Showing your own history, stats and progress.
- Backing up and syncing your workouts across devices when you sign in.
- Early-access emails: only to invite you to the beta.
W-Fitness does not sell data, does not show ads and does not use workout data or body measurements for advertising.
Before you sign in
All data stays on your phone. Deleting the app or losing the phone means losing your workout history. Sign in if you want a backup.
Deleting your account and data
In the app: Account → Delete account and data. This permanently deletes all your workout history on the server and your sign-in account. Signing out removes that account’s copy from the phone.
Data on the phone (before you sign in) is deleted along with the app.
Contact
Questions about your data, deletion requests, or to leave the early-access list: email contact@wujo.dev.
Changes
When this policy changes, the date at the top of this page changes with it.