FitSync Privacy Policy

Last updated: 26 August 2026
Version: 1.0

1. Summary

FitSync is a mobile application that lets personal trainers and dietitians ("Experts") manage their clients ("Members") in one place.

In short:

This summary is for information only; the full text below is what governs.

2. Data controller and contact

The company named above is the data controller under both the Turkish Personal Data Protection Law no. 6698 ("KVKK") and the EU General Data Protection Regulation ("GDPR").

3. Scope of this policy

This policy covers the FitSync mobile application and our server services running at fitsync-api.mambaapps.com.

The app has two user roles:

The policy applies to both roles; role-specific differences are noted in the relevant sections.

Age limit: FitSync is intended only for people who are 18 years or older. We do not knowingly collect personal data from anyone under 18.

4. Personal data we collect

4.1 Account and identity data

You provide these when you register:

4.2 Profile data

4.3 Health and physical data (special category data)

Processed only for the Member role and only with your explicit consent:

This data qualifies as special category personal data under Article 6 of the KVKK and Article 9 of the GDPR, and is subject to the additional protections in section 7 of this policy.

4.4 Content and communication data

4.5 Subscription and financial data

Expert subscriptions: In-app subscriptions are purchased through the Apple App Store. We never see, collect or store your payment details (card number, bank details, billing address). Apple alone processes that information.

To keep track of subscription status we process the following through RevenueCat: anonymous subscriber ID, purchase and renewal history, subscription status and period, country and platform information, app version.

Client payment records kept by Experts: Experts can manually record amounts they have collected from their clients (amount, date, related package). These are the Expert's own bookkeeping records; no card data is processed and no payment takes place through the app.

4.6 Technical and device data

4.7 What we do not collect

To be explicit — FitSync does not collect:

The app contains no third-party analytics or advertising SDKs.

5. How we obtain your data

6. Why we process your data and on what legal basis

7. Special notice about health data

Your health and body measurement data receives additional protection:

8. Data sharing between Experts and Members

The core function of FitSync is to move information between an Expert and a Member. Here is who sees what:

Your Expert sees: your name, profile photo, date of birth and gender, location, health and measurement data, progress photos, the programs assigned to you, your conversation with them, and your package and payment records.

Members see: the profile information an Expert publishes on the discovery page (name, photo, expertise, biography, years of experience, location, service packages and prices), the posts an Expert publishes to their own clients, and the programs assigned to them.

Other Members cannot see your data. Members have no access to each other's profiles, measurements, programs, or messages.

A note about the Expert role: when you open an Expert account, your profile information becomes visible to Members on the discovery page. This is inherent to how the service works.

9. Third parties we share data with

We share data only with service providers needed to deliver the service. These providers act on our behalf and under our instructions (as processors) and may not use your data for their own purposes.

Beyond these, we may share your data only when:

We never sell, rent, or transfer your data to third parties for advertising purposes.

10. International transfers

Our servers are located in the European Union (Hetzner Online GmbH — Germany/Finland). Your data is processed primarily within the EU.

Because of push notification and subscription management services, limited data may be transferred to the United States. For those transfers:

11. Subscriptions and payments

In-app subscriptions are for users with the Expert role only. Members use the app free of charge.

12. Notifications and device permissions

Push notifications. We send notifications for transactional events such as requests, messages, program assignments, reminders and payments. Allowing notifications is optional, and you can turn them off at any time in your device settings. We do not send marketing notifications.

Camera. Used when you choose to take a profile photo, post image, progress photo, or chat image. If you decline, only those features stop working.

Photo library. Used when you choose to pick a photo from your device. We access only the photos you select; your library is not read as a whole.

Neither permission is ever used to collect data in the background.

13. How long we keep your data

Data whose retention period has expired is deleted or irreversibly anonymised.

14. Deleting your account

You can delete your account from inside the app: Settings → Delete My Account.

After you request deletion:

Deleting your account does not cancel your subscription — cancel it separately through Apple before deleting.

15. Your rights

15.1 In Türkiye (KVKK Art. 11)

In respect of your personal data you have the right to:

15.2 In the EU and the UK (GDPR)

You have the rights of access, rectification, erasure ("right to be forgotten"), restriction of processing, data portability, objection to processing, and withdrawal of any consent you have given.

You also have the right to lodge a complaint with the data protection authority in your country.

15.3 United States (California — CCPA/CPRA)

California residents have the right to know what data is collected, to request deletion and correction of their data, and not to be discriminated against for exercising these rights.

FitSync does not sell personal data and does not share it for cross-context behavioural advertising, so no opt-out mechanism is required.

15.4 How to exercise your rights

You can handle most of this yourself in the app: correct your profile under Settings → Profile Settings, update your survey answers, delete your measurements, or close your account.

For anything else, write to info@mambaapps.com. Once we have verified your identity, we will resolve your request free of charge within 30 days at the latest.

In Türkiye, if your request is refused or you find the response insufficient, you may complain to the Personal Data Protection Board within 30 days of learning the response, and in any case within 60 days of your application.

16. Security

Technical and organisational measures we take to protect your data:

No system is 100% secure. If a breach affecting your personal data occurs, we will notify you and the competent authorities within the periods required by law.

17. Children's privacy

FitSync is for users aged 18 and over. We do not collect data from, or allow accounts for, anyone we know to be under 18.

If we learn that someone under 18 has given us data, we close the account and delete the data. If you believe your child has provided us with data, contact us at info@mambaapps.com.

18. Changes to this policy

We may update this policy from time to time. When we do, we change the "Last updated" date at the top of the page.

If a change materially affects your rights or how your data is processed, we will notify you through an in-app message or by email before it takes effect, and ask for your explicit consent again where required.

19. Contact

For any privacy question, request or complaint:

Email: info@mambaapps.com

You can also write to us directly from the app under Settings → Support.