Privacy Policy for Fitter

Last updated: 5 October 2026

Fitter ("the app") is a fitness tracking app. This policy explains what happens to your information when you use it.

Short version

• Fitter works without an account. If you don't sign in, everything you enter and every run you record stays on your phone.
• Signing in with Google is optional. If you do, your Fitter data is stored in your account on Google Firebase so it is backed up and available on your other phones. Only you can access it.
• The app sends anonymous usage events (which screens and features are used) to Amplitude so we can improve it. You can turn this off in Profile → Privacy & data.
• Steps Ranking is optional. If you join it, other Fitter users see your name, Google profile photo and your daily, weekly and monthly step totals. Nothing else about you is shown, and you can leave at any time.
• We don't show ads, and we never sell your data or share it with anyone except as described here.
• You can delete your data and your account at any time, in the app or from our website.

What the app stores on your phone

• Your profile: name, gender, age, height and weight
• Workouts you create and your workout history
• Water, weight and body measurement logs
• Badges, streaks, goals, units, reminder times and app settings
• Runs you record: the GPS route, times and the stats worked out from them

This data is saved in a private database inside the app's own storage. Removing the app deletes it.

Your Fitter account (optional)

If you choose Profile → Continue with Google, Fitter signs you in with Firebase Authentication, a Google service. Fitter receives your Google account's name, email address and profile picture link, and Firebase gives your account a random user ID.

While you are signed in, Fitter keeps a copy of this data in your account so you can use it on another phone:

• your profile (name, gender, birth year, height, weight, goal, level)
• workouts you created and your workout history
• water, weight and body measurement logs
• badges, and your goals and units
• runs, including their GPS routes

Not synced: steps from Health Connect (only the totals you choose to put on the Steps Ranking are uploaded, see below), and reminder times (these stay on each phone).

Where it is stored. In Google Cloud Firestore (part of Firebase), in Google's Mumbai (asia-south1) region. Data is encrypted in transit (HTTPS) and at rest by Google.

Who can see it. The database only lets your signed-in account read or write your data. The one exception is Steps Ranking: if you join it, your ranking entries are visible to other signed-in Fitter users (see below). The developer can technically view the database through the Firebase console, and will only do so to answer a request from you or to investigate abuse. Google processes the data as our service provider under the Firebase terms.

What it is used for. Only to back up your data and sync it between your phones. It is not used for advertising or profiling and is not shared with or sold to anyone.

How long it is kept. Until you delete it:

• Sign out removes the data from that phone; it stays in your account.
• Delete all my data (Profile → Privacy & data) deletes the data on the phone and, if you are signed in, the copy in your account.
• Delete account: ask us and we permanently delete your synced data and your Fitter account within 30 days — see Deleting your account below. Data on the phone stays until you delete it or remove the app.

App integrity checks (App Check)

To stop other apps and scripts from misusing Fitter's servers, the app uses Firebase App Check with Google Play Integrity. When the app talks to Firebase, Google Play checks that it is the genuine Fitter app from Google Play on a real device and passes a short-lived integrity token to Firebase. These checks don't include your fitness data. Firebase also uses a random per-install identifier and the app's version information to run its services.

Usage analytics (Amplitude)

To learn which features are used and where the app can be better, Fitter sends usage events to Amplitude, an analytics service that processes them for us. For example: a screen was opened, a workout was started or finished, a run was finished (its distance and duration), a glass of water was logged, a reminder was switched on.

• What is included: the event name, a few numbers or choices about it (such as workout length or the run's distance), a random device id, the app version, the phone's model, Android version, language and mobile network name, your fitness goal, level and workout place, and — if you are signed in — your random Fitter user id.
• What is never included: your name, email, photo, weight or other body measurements, GPS positions or routes, or anything you type.
• Advertising ids are not collected. Amplitude sees your IP address when events arrive and uses it to work out your approximate location (country, region and city) — never your exact position.
• It is used only to understand and improve the app — not for ads, and it is not sold or shared.
• Turn it off any time in Profile → Privacy & data → Share usage data. While it is off, nothing is sent.

Amplitude keeps event data according to our account settings (at most as long as the account exists) and deletes it on our request. To have the events linked to your user id deleted, email us (see Contact).

Health Connect (steps)

If you allow it, Fitter reads your step count from Health Connect to show it in the app (today, by hour, and your daily history). Fitter only reads steps; it does not read any other health data and does not write anything to Health Connect. Steps stay on your phone unless you join Steps Ranking, and then only your step totals are uploaded (see below). You can withdraw this permission at any time in Health Connect settings, and the app keeps working without it.

If you join Steps Ranking, Fitter also asks for permission to read steps while the app is in the background. It uses this only to keep your ranking totals up to date (about every 30 minutes, as Android allows). If you refuse, the ranking still works and updates when you open the app.

Steps Ranking (optional)

Steps Ranking lets you compare your steps with other Fitter users on daily, weekly and monthly boards. It is off until you choose Join and confirm, and it needs you to be signed in with Google.

• What others see: your Google account name, your Google profile photo and your step totals for today, this week (Monday to Sunday) and this month, and your place on each board. Only totals are shared — never when or where you walked, your hourly steps, your email, or any other data.
• Who can see it: anyone signed in to Fitter who opens Steps Ranking.
• What is uploaded: your name, photo link, user ID and those three step totals, updated about every 15 minutes while you use the app and in the background as described above. At most 60,000 steps a day are counted.
• Where it is stored: in Google Cloud Firestore (Mumbai, asia-south1), like your account data.
• How long it is kept: entries for the current and previous month. Older entries are deleted automatically.
• Leaving: tap Leave the ranking on the Steps Ranking screen. All your entries are removed from every board straight away. Deleting your account or using Delete all my data while signed in removes them too. Signing out keeps you on the boards; signing in again picks your ranking back up.

Location (runs)

When you start a run, Fitter asks for location access "while using the app" and reads your phone's GPS until you finish or discard the run. While a run is being recorded, Android shows a "Run in progress" notification and tracking continues with the screen off. Location is never read at other times, and Fitter does not request "all the time" location access.

Runs are saved on your phone. If you are signed in, finished runs (including their GPS route) are also stored in your account, as described above. You can delete a single run from its summary screen.

Maps

Run maps are drawn with map tiles downloaded from OpenFreeMap (openfreemap.org), which serves OpenStreetMap data. To show the right part of the map, the app requests the tiles covering the area of your run, so OpenFreeMap's servers can see your IP address and which map area was shown, as with any website. Fitter does not send your route, account or any other personal data to them. OpenFreeMap has no accounts, cookies or tracking.

Notifications

Reminders (workout, water, bedtime) are scheduled on your phone by Android. They do not involve any server and are not push notifications.

Backups you create

Profile → Export backup writes a JSON file containing your data and lets you share or save it wherever you choose (for example Google Drive). Once you share that file, it is handled by whichever app or service you picked, under their privacy policy. Fitter does not upload backup files anywhere by itself.

Deleting your account

• In the app: Profile → Privacy & data → Delete account opens the steps below.
• Without the app: follow the steps at https://fitter-c8a06.web.app/delete-account, or email amankumar293689@gmail.com from the Google account you signed in with.

We delete the account, all its synced data and your Steps Ranking entries within 30 days and confirm by email.

Your choices

• Use Fitter without an account and turn off Share usage data, so nothing leaves your phone except map tile requests.
• Join or leave Steps Ranking whenever you like.
• See and take all your data with Profile → Export backup.
• Correct your data in the app at any time; changes sync to your account.
• Delete your data and account as described above.

Children

Fitter is not directed at children under 13.

Changes

If this policy changes, the new version will be published at this address with a new "last updated" date. If a change affects data already in your account, the app will tell you before it applies.

Contact

Questions about privacy in Fitter: amankumar293689@gmail.com