Privacy Policy — Guitaristy Speed Trainer Last updated: October 12, 2026
1. Overview Guitar Speed Tracker (“the App”) is developed by Guitaristy. This Privacy Policy explains what data we collect, how we use it, and your rights as a user.
2. Data We Collect
a) Account Data When you create an account, we collect:
- Email address
- A unique User ID (generated automatically)
- Sign-in method (Email/Password, Google, or Apple)
Guest users do not require an account. Apart from the analytics and advertising measurement data described in this section, we do not collect personal data from guest users.
b) Practice Data
- Exercise names, BPM values, percentages, and timestamps you enter
- Practice streak and session history
This data is stored solely to provide the app’s core functionality.
c) Purchase History If you buy a subscription or a program in the App, we process:
- Subscription status and purchase history
- This is handled via RevenueCat (see Section 4)
d) Analytics We collect anonymised usage data (screens visited, feature usage) via Firebase Analytics to improve the app. This data is not linked to your identity.
e) Advertising Measurement Data When you install or open the App, the Meta SDK collects technical information about your device and app events. The device information includes device model, operating system version, app version, IP address and an app-specific identifier. The app events include app installs, app opens and in-app purchases. On Android, the SDK also collects the Google Advertising ID if your device settings allow it. We use this data only to measure how well our ads on Facebook and Instagram perform. On iOS, the App does not ask for permission to track you, so the advertising identifier (IDFA) is not collected.
The App only sends this data after you allow it when you first open the App. You can change your choice at any time in the App menu under “Privacy”.
3. How We Use Your Data
| Data | Purpose |
|---|---|
| Email / User ID | Account management, login |
| Practice data | Display your progress and charts |
| Purchase history | Unlock premium features and programs |
| Analytics | App improvement (anonymised) |
| Advertising measurement data | Measure whether our ads lead to app installs and purchases |
We do not sell your data. We use advertising measurement data only to find out whether our own ads lead to app installs and purchases, and to improve those ads. We do not use your practice data, email address or account data for advertising.
4. Third-Party Services
Firebase (Google) We use Firebase Authentication and Cloud Firestore to manage accounts and store practice data. Data is stored on servers in the EU (Frankfurt, Germany). Privacy Policy: https://firebase.google.com/support/privacy
Firebase Cloud Messaging (Google) If you allow notifications, we store a push token for your device so we can send you practice reminders and announcements. Privacy Policy: https://firebase.google.com/support/privacy
RevenueCat We use RevenueCat to manage in-app purchases and subscriptions. RevenueCat processes your User ID and purchase history to verify your purchases. Privacy Policy: https://www.revenuecat.com/privacy
Meta (Facebook) SDK Provided by Meta Platforms Ireland Ltd., Merrion Road, Dublin 4, Ireland. Meta receives the advertising measurement data described in Section 2e to attribute app installs and purchases to our ads. Meta may also process this data in the USA. Meta is certified under the EU-U.S. Data Privacy Framework. You can limit ad tracking in your device settings: on Android, delete or turn off your advertising ID; on iOS, turn off “Allow Apps to Request to Track”. Privacy Policy: https://www.facebook.com/privacy/policy
Google Sign-In If you sign in with Google, Google may share your name and email with us. Privacy Policy: https://policies.google.com/privacy
Sign in with Apple If you sign in with Apple, Apple may share a name and email (real or anonymised) with us. Privacy Policy: https://www.apple.com/legal/privacy
5. Data Retention Your account and practice data are retained as long as your account is active. You can delete your account at any time directly in the App (Profile → Delete Account) or by contacting us (see Section 8). Upon deletion, all personal data and practice records are permanently removed.
6. Your Rights (GDPR) If you are located in the European Economic Area, you have the right to:
- Access the personal data we hold about you
- Correct inaccurate data
- Request deletion of your data
- Object to or restrict processing
- Data portability
To exercise these rights, contact us at the address in Section 8.
7. Children The App is not directed at children under the age of 13. We do not knowingly collect data from children under 13.
8. Contact For privacy-related questions or data deletion requests: Guitaristy Email: trainer@guitaristy.app Website: https://club.guitaristy.app
9. Changes to This Policy We may update this Privacy Policy from time to time. The updated version will be posted at this URL with a revised “Last updated” date. Continued use of the App after changes constitutes acceptance of the updated policy.