Privacy Policy
1. Introduction
Welcome to Forjum ("we," "our," or "us"). We are committed to protecting your privacy and personal data. This Privacy Policy explains how we collect, use, store, and protect your information when you use our mobile application Forjum (the "App").
Forjum is a fitness and wellness application that gamifies health data through an RPG-style system, transforming real physiological data into character stats to help you understand and improve your health.
Contact Information:
Email: forjumapp@gmail.com
Developer: Forjum App
Location: Switzerland
2. Data We Collect
2.1 Health and Fitness Data
With your explicit permission, we access the following data from Apple HealthKit or Health Connect:
- Heart Rate Data: Resting heart rate, active heart rate, heart rate variability (HRV)
- Activity Data: Steps, active energy burned, exercise minutes
- Workout Data: Workout type, duration, intensity, calories burned
- Sleep Data: Sleep duration and quality metrics
- VO2 Max: Cardiovascular fitness estimates
2.2 Profile Information
Information you voluntarily provide during account setup:
- Character name (can be fictional)
- Biological sex (for physiological calculations only)
- Date of birth or age range (for adaptive difficulty)
- Preferred language
- Height and weight (optional, entered manually by you), used on-device for avatar customization and BMI/energy-availability calculations
2.3 Location Data
With your permission, we may access:
- Approximate location: Used solely to detect your regional dialect for the Presence minigame feature
- Home location inference: Derived locally to personalize dialect options
2.4 Device and Usage Data
- Device type and operating system version
- App version
- Crash logs and performance data (anonymized)
- Feature usage statistics (anonymized)
2.5 Purchase Information
If you subscribe to Forjum Premium:
- Subscription status and tier
- Purchase date and expiration
- Transaction identifiers (processed by Apple/Google/RevenueCat)
Note: We never receive or store your payment card details.
2.6 Multiplayer Data (Online Duel and Coop)
When you use online multiplayer features (asynchronous Duels or Cooperative challenges), the following data is transmitted to our Firebase relay servers:
- Anonymous Device ID: A randomly generated identifier (not linked to your Apple ID, Google account, or any personal information)
- Game Scores: Your minigame performance scores (e.g., reaction time, repetitions completed)
- Challenge Metadata: Challenge type, timestamp, and match result
- FCM Device Token: Used solely to deliver push notifications about challenge results
3. How We Use Your Data
| Purpose | Data Used | Legal Basis |
|---|---|---|
| Personalizing your fitness experience | Health metrics, age, sex | Your consent |
| Calculating character stats | Workout data, health metrics | Your consent |
| Adapting minigame difficulty | Performance history, demographics | Your consent |
| Providing recovery recommendations | HRV, sleep, activity data | Your consent |
| Regional dialect features | Approximate location | Your consent |
| Online multiplayer (Duel/Coop) | Anonymous game scores, random device ID | Your consent |
| Push notifications | Anonymous FCM device token | Your consent |
| Processing subscriptions | Purchase data | Contract fulfillment |
| Improving the app | Anonymized usage data | Legitimate interest |
4. Data Storage and Security
4.1 Local Storage
- All health data is stored locally on your device
- Character progress is saved to device storage
- No account creation or cloud sync required
- No account or cloud sync is required, and your health data is never transmitted to our servers.
4.2 Third-Party Services
| Service | Purpose | Data Shared |
|---|---|---|
| Apple HealthKit | Health data access (iOS) | None - read only |
| Health Connect | Health data access (Android) | None - read only |
| RevenueCat | Subscription management | Anonymous user ID, purchase status |
| Firebase Analytics | Anonymized usage statistics | Anonymous event data, device type, OS version |
| Firebase Crashlytics | Crash reporting and stability | Anonymized crash logs, device info |
| Firebase Cloud Messaging (FCM) | Push notifications and multiplayer challenges | Anonymous device token (not linked to personal identity) |
| Firebase Realtime Database | Online multiplayer relay (Duel/Coop) | Anonymous game scores and random device ID only |
5. Data Sharing
We do not sell your personal data.
We only share data in these limited circumstances:
- With your consent: If you explicitly agree to share data
- Multiplayer features: Anonymous game scores and a random device ID are transmitted via Firebase servers to facilitate online Duels and Cooperative challenges. This data is temporary and automatically deleted after challenge completion.
- Service providers: RevenueCat for subscription processing (anonymized identifiers only); Firebase for crash reporting, analytics, push notifications, and multiplayer relay (all anonymized)
- Legal requirements: If required by law or valid legal process
- Safety: To protect the safety of users or the public
6. Your Rights
6.1 For All Users
- Access: View what data the app has collected
- Deletion: Delete your character and all associated data
- Portability: Export your data (character stats, progress)
- Withdraw Consent: Revoke health data permissions at any time
6.2 For European Users (GDPR)
Under the General Data Protection Regulation, you additionally have:
- Right to rectification of inaccurate data
- Right to restrict processing
- Right to object to processing
- Right to lodge a complaint with a supervisory authority
6.3 For California Users (CCPA)
Under the California Consumer Privacy Act, you have:
- Right to know what personal information is collected
- Right to delete personal information
- Right to opt-out of sale of personal information (we don't sell data)
- Right to non-discrimination for exercising your rights
How to Exercise Your Rights
- In-App: Settings → Account → Privacy → Delete All Data
- Email: forjumapp@gmail.com
We will respond to requests within 30 days.
7. Data Retention
| Data Type | Retention Period |
|---|---|
| Character data | Until you delete the app or your data |
| Health metrics | Processed in real-time, not permanently stored |
| Purchase history | As required by tax/legal obligations |
| Crash logs | 90 days |
| Multiplayer game scores | Automatically deleted after challenge completion (max 7 days) |
| FCM device token | Until app is uninstalled or token is refreshed |
8. Children's Privacy
Forjum is not intended for children under 13 years of age (or 16 in the EU). We do not knowingly collect personal information from children.
9. Health Data Disclaimer
- Diagnose, treat, cure, or prevent any disease
- Replace professional medical advice
- Make medical decisions
10. Changes to This Policy
We may update this Privacy Policy from time to time. We will notify you of significant changes by:
- Displaying a notice in the app
- Updating the "Last Updated" date above
11. Contact Us
If you have questions about this Privacy Policy or your data:
Email: forjumapp@gmail.com
Subject Line: Privacy Inquiry - Forjum
We aim to respond within 48 hours.