Privacy Policy for SinSystem Applications
Last Updated: [19.01.2026]
SinSystem (“we”, “us”, “our”) respects your privacy. This Privacy Policy explains how we collect, use, disclose, and protect information when you use our mobile applications (“Applications”) available on Google Play.
1. Information We Collect
1.1. Information You Provide
- Contact information (name, email, phone number) when registering or contacting support
- Information you voluntarily submit through forms in the Application
- Feedback and ratings in the app store
1.2. Information Collected Automatically
Usage Data:
- Session data (start/end time)
- Features used within the Application
- Frequency and duration of use
- Application performance (crashes, errors)
Technical Information:
- Device type (model, manufacturer)
- Operating system version
- Device identifiers (Advertising ID)
- IP address (anonymized)
- Network data (Wi-Fi, mobile network)
For Applications with Permissions:
- Camera/Photos – only for photo upload functions (not transmitted without your action)
- Location – only if required by Application functionality (with your consent)
- Storage/Files – for local data storage on your device
- Microphone – only for voice input (if available)
2. How We Use Information
We use collected information to:
- Provide and improve Application functionality
- Personalize your experience
- Analyze usage to enhance Applications
- Respond to your support requests
- Send important notifications (updates, policy changes)
- Ensure security and prevent fraud
3. Information Sharing
3.1. Third-Party Services
We use the following services that may collect information:
Google Services:
- Google Play Services – for purchases and authentication
- Firebase Analytics – for usage analytics (anonymous)
- Firebase Crashlytics – for crash reporting
- Google AdMob – for displaying ads (in free versions)
Other Services (when used):
- Payment processors (Stripe, PayPal)
- Email services (SendGrid)
- Cloud storage (AWS, Google Cloud)
3.2. Legal Requirements
We may disclose information when required by law or to:
- Protect our rights and safety
- Prevent fraud
- Respond to government requests
4. Advertising and Analytics
4.1. Advertising
Free versions of our Applications may display advertisements. We use:
- Google AdMob
- Personalized advertising (based on Advertising ID)
- Option to opt-out of personalization through device settings
4.2. Analytics
We use analytics to understand:
- How our Applications are used
- Which features are popular
- Where issues occur
5. Your Choices and Controls
5.1. Application Permissions
You can:
- Deny permissions during installation
- Change permissions in device settings
- Use Applications with limited functionality without certain permissions
5.2. Advertising Identifier
- On Android: Settings → Google → Ads → Reset advertising ID / Opt-out of personalized ads
5.3. Account Data
You can request:
- Access to your data
- Correction of inaccurate information
- Deletion of your data (except data required by law)
6. Data Security
We take reasonable measures to protect your information:
- Encryption of transmitted data (HTTPS)
- Regular Application updates
- Limited data access for employees
- Regular security assessments
7. Data Retention
We retain data:
- While you use the Application
- As required by applicable laws
- For reasonable periods for purposes described in this policy
- Data is deleted when Applications are removed from devices
8. Children
Our Applications:
- Are not intended for children under 13
- Do not knowingly collect information from children
- Delete discovered data from children
9. Policy Changes
We may update this policy. We will notify you:
- Through the Application (on next launch)
- On our website
- Via Google Play Store
10. International Users
Data may be processed:
- In your country
- In other countries where our servers are located
- In compliance with GDPR for EU users
11. Contact Information
For privacy questions, contact:
- Email: [help@sinsystem.ru]
- Website: [sinsystem.ru/privacy]
- Address: [Russia]
12. For Google Play Developers
12.1. Compliance:
- We comply with Google Play Privacy Policy
- Do not share sensitive information without consent
- Use permissions only for stated purposes
12.2. Third-Party Service Policies:
Appendix A: Application-Specific Information
Application 1: [Application Name 1]
- Collected data: [list]
- Required permissions: [list with justification]
- Third-party services: [list]
Application 2: [Application Name 2]
- Collected data: [list]
- Required permissions: [list with justification]
- Third-party services: [list]
Important Notes for Google Play:
- Google Play Console Submission:
- Upload this policy in “Privacy Policy” section
- Provide website URL (if available)
- Update when application functionality changes
- Within Applications:
- Screen with full privacy policy
- Link to policy on Google Play
- Permission requests with clear explanations
- Requirements by Application Type: For applications with purchases:
- Clear description of payment data processing
- Links to payment processor policies For social applications:
- User content processing policy
- Community guidelines and moderation For children’s applications:
- COPPA/FERPA compliance
- No personalized advertising
- Policy Language:
- Primary language: English
- Consider adding Russian version
- Clear, understandable language without legal complexity