1. Introduction
UltasDev ("we", "our", "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard your information when you use the Uza mobile application ("the App").
By using Uza, you agree to the practices described in this Privacy Policy. If you do not agree with this policy, please do not use the App.
🔒 Privacy First: Uza stores ALL your personal data (height, weight, age, measurements) ONLY on your device. We do not collect, upload, or store any sensitive personal information on our servers. No user accounts required.
2. Information We Collect
2.1 Personal Data (ON-DEVICE ONLY - Never Transmitted)
The following information is stored ONLY on your device using iOS/Android local storage. This data is NEVER uploaded to our servers or any cloud service:
- Height Measurements: Current height, dream height, parental heights, growth tracking
- Physical Measurements: Weight, age, birthdate, shoe size
- Personal Attributes: Gender, ethnicity (used only for local calculations)
- Lifestyle Data: Workout frequency, sleep duration (stored locally)
- Training Data: Exercise routines, workout history, progress (on-device only)
- User Preferences: App settings, notification preferences (on-device only)
⚠️ Critical: All the above data stays on YOUR device and is deleted when you uninstall the app. We have NO access to this information.
2.2 Anonymous Analytics (No Personal Data)
We collect anonymous behavioral data through Firebase Analytics. This data does NOT include any personal or physical measurements:
- Anonymous Events: Screen views, button clicks, feature usage (NO personal data attached)
- Crash Reports: App crash logs for debugging (anonymized, NO user data)
- Performance Data: App load times, performance metrics (anonymized)
- Subscription Status: Whether user has active subscription (via RevenueCat, NO personal data)
✅ What we do NOT collect in analytics: NO height, NO weight, NO age, NO gender, NO measurements, NO personal identifiers
2.3 Information We Do NOT Collect
- ❌ User accounts or login credentials
- ❌ Location data or GPS information
- ❌ Contact lists or phone book
- ❌ Camera or photo gallery access (unless you explicitly select images)
- ❌ Social media profiles
- ❌ Biometric data
3. How We Use Your Information
We use the collected information for the following purposes:
- Provide Core Features: Height tracking, training programs, and AI-powered coaching
- Personalization: Customizing your experience based on your goals and preferences
- AI Coaching: Processing your queries through Google's Generative AI to provide personalized guidance
- App Improvement: Analyzing anonymized usage data to enhance features and fix bugs
- Notifications: Sending reminders and updates (only if you opt-in)
- Payment Processing: Managing subscriptions through Apple App Store or Google Play Store
4. Data Storage and Security
4.1 On-Device Storage ONLY
ALL your personal data is stored EXCLUSIVELY on your device using iOS/Android secure local storage (SharedPreferences/UserDefaults). This means:
- ✅ Your data stays on YOUR phone/tablet forever (until you delete the app)
- ✅ We have ZERO access to your personal information
- ✅ No cloud backup, no server upload, no external storage
- ✅ Data is deleted permanently when you uninstall the app
4.2 No Cloud Sync
Important: Unlike many apps, Uza does NOT sync your personal data to any cloud service. Your height, weight, age, and measurements never leave your device.
Why on-device only? To protect your privacy and comply with Apple's strictest privacy standards. We deliberately chose NOT to use cloud storage for sensitive health data.
4.3 Security Measures
- ✅ Device-level encryption (iOS Keychain/Android EncryptedSharedPreferences)
- ✅ No central database of user information
- ✅ Anonymous analytics only (TLS/SSL encrypted)
- ✅ Regular security updates
Note: Since your data is stored only on your device, please ensure you keep regular device backups through iOS/Android system backups if you want to preserve your data.
5. Third-Party Services
Uza integrates with the following third-party services:
5.1 Firebase Analytics (Google)
We use Firebase Analytics for anonymous behavioral tracking ONLY:
- ✅ Screen views, button clicks, feature usage
- ✅ Crash reports for debugging
- ✅ Performance metrics
- ❌ NO personal data (height, weight, age, gender NOT sent)
Firebase privacy policy: https://firebase.google.com/support/privacy
5.2 RevenueCat
We use RevenueCat for subscription management:
- ✅ Purchase receipts from Apple/Google
- ✅ Subscription status (active/expired/trial)
- ❌ NO personal data sent to RevenueCat
RevenueCat privacy policy: https://www.revenuecat.com/privacy
5.3 App Store Payment Processors
Subscription payments are processed by:
- Apple App Store: For iOS users
- Google Play Store: For Android users
We do NOT collect or store payment information. All payment data is handled by the respective app stores.
5.4 What We Do NOT Use
- ❌ NO Google Generative AI (no AI chat feature implemented)
- ❌ NO Firebase Firestore (no cloud database)
- ❌ NO Firebase Cloud Functions (no server-side processing)
- ❌ NO user authentication services
6. Data Sharing and Disclosure
We do not sell, rent, or trade your personal information. We may share data only in the following limited circumstances:
- With Your Consent: If you explicitly authorize us to share specific information
- Service Providers: With trusted partners who help operate the App (e.g., Google for AI, Firebase for infrastructure)
- Legal Obligations: If required by law, court order, or legal process
- Safety and Protection: To protect the rights, property, or safety of UltasDev, our users, or others
7. Your Privacy Rights
You have the following rights regarding your data:
- Access: View all data stored locally on your device through the App
- Correction: Edit or update your information at any time
- Deletion: Delete your data by clearing app data or uninstalling the App
- Export: Export your data for backup or transfer purposes
- Opt-Out of Analytics: Disable analytics in app settings
- Notification Control: Manage notification preferences in device settings
To exercise these rights or for questions about your data, contact us at privacy@ultasdev.com
8. Children's Privacy
Uza is designed for users aged 13 and above. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us at privacy@ultasdev.com, and we will delete such information.
9. International Users
Uza is available globally. Your data may be processed and stored in different countries, including the United States and the European Union, where our service providers operate. By using Uza, you consent to the transfer of your information to these locations.
We ensure appropriate safeguards are in place to protect your data in accordance with this Privacy Policy and applicable laws, including GDPR for EU users.
10. Data Retention
We retain your data as follows:
- Local Data: Stored on your device until you delete it or uninstall the App
- Cloud Backup: Retained in your personal cloud storage according to your cloud provider's policies
- Analytics Data: Anonymized analytics are retained for up to 24 months
- Support Inquiries: Retained for up to 3 years for customer service purposes
11. Push Notifications
If you enable push notifications, we will send you:
- Training reminders
- Measurement reminders
- Progress updates
- App updates and feature announcements
You can disable notifications at any time in your device settings. We do not use your notification token for any other purpose.
12. Changes to This Privacy Policy
We may update this Privacy Policy from time to time to reflect changes in our practices or for legal, operational, or regulatory reasons. When we make significant changes, we will notify you through:
- In-app notification
- Update on this page with a new "Last Updated" date
Your continued use of Uza after changes take effect constitutes acceptance of the updated policy.
13. Contact Us
If you have questions, concerns, or requests regarding this Privacy Policy or your data, please contact us:
14. Legal Compliance
14.1 GDPR (EU Users)
For users in the European Union, we comply with the General Data Protection Regulation (GDPR). You have additional rights including data portability, the right to be forgotten, and the right to object to processing.
14.2 CCPA (California Users)
California residents have the right to request information about the categories of personal information collected and the purposes for which it is used. Since we do not sell personal information, CCPA's "do not sell" provisions do not apply.
14.3 KVKK (Turkish Users)
Turkish users' rights under Law No. 6698 on the Protection of Personal Data (KVKK) are protected. You may request access, correction, deletion, and information about your personal data processing.
15. Summary
🔒 Privacy-First Approach - In Plain Language:
- ✅ Your height, weight, age, and ALL measurements stay ONLY on your device
- ✅ We collect ZERO personal data - no cloud sync, no server uploads
- ✅ We track anonymous app usage only (screen views, clicks) - NO personal info
- ✅ RevenueCat manages subscriptions - receives NO personal data from us
- ✅ Payments handled by Apple/Google - we never see your payment info
- ✅ No user accounts, no login, no tracking - your data is yours alone
- ✅ Delete the app = all your data is gone (we have no copies)
Bottom line: We built Uza to respect your privacy. Your sensitive health data never leaves your phone.