Privacy Policy
Last Updated: December 2024
S10N Apps ("we," "our," or "us") operates the Centy mobile application (the "App"). This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our App.
This Privacy Policy is provided in compliance with Apple's App Store Review Guidelines (Section 5.1.1), the General Data Protection Regulation (GDPR), the California Consumer Privacy Act (CCPA), and other applicable privacy laws.
1. Data We Collect
Data You Provide Directly
We do NOT require you to create an account or provide any personal information to use Centy. The App functions entirely without collecting personally identifiable information (PII).
Data Collected Automatically
When you use the App, we may automatically collect certain information:
| Data Type | What We Collect | Purpose |
|---|---|---|
| Usage Data (Anonymous) | Feature interactions, screen views, session duration | Improve app functionality |
| Diagnostic Data | Crash reports, error logs, performance metrics | Fix bugs and improve stability |
| Device Info (Non-identifying) | Device model, OS version, app version, locale | Compatibility and optimization |
Optional Data (With Your Explicit Consent)
- Camera Access: Used ONLY for live currency detection. Images are processed on-device and are NOT transmitted to any server.
- Photo Library Access: Used ONLY when you choose to save a scanned image. Images are saved directly to YOUR device's photo library.
- Location Access (Optional): If granted, used ONLY to suggest local currency. Location data is NOT stored or transmitted.
Data We Do NOT Collect
- Names, email addresses, phone numbers, or contact information
- Financial data, bank accounts, credit card numbers, or transaction history
- Unique device identifiers for advertising or tracking purposes
- Browsing history or data from other apps
- Biometric data or health data
- Precise geolocation (only country-level if location is granted)
2. How We Use Your Data
We use the limited, anonymous data we collect ONLY for the following purposes:
- To provide and maintain the App's core functionality
- To improve, personalize, and optimize the user experience
- To understand aggregate usage patterns (not individual behavior)
- To identify and fix bugs, crashes, and technical issues
- To develop new features based on usage trends
We do NOT use your data for:
- Advertising or marketing to you
- Selling to third parties
- Profiling or behavioral targeting
- Tracking you across apps or websites
3. Third-Party Data Sharing
Per Apple's App Store Review Guidelines Section 5.1.1, we disclose all third parties with whom we share data. Each third party provides the same or greater protection of user data as stated in this Privacy Policy.
| Service | Data Shared | Purpose |
|---|---|---|
| PostHog (Analytics) | Anonymous usage events, crash reports, device type (no identifiers) | Privacy-focused analytics |
| RevenueCat (Subscriptions) | Purchase transaction data (provided by Apple, not by us) | In-app purchase management |
| Apple (App Store) | App Store transaction data, crash reports (if enabled by you) | Payment processing |
We confirm that:
- All third parties provide equal or greater data protection
- No data is shared for advertising purposes
- No data is sold to any third party
- We do NOT use third-party AI services that process your personal data
4. Data Storage and Security
Local Storage
Your conversion history, currency preferences, and app settings are stored LOCALLY on your device using Apple's SwiftData framework. This data:
- Never leaves your device
- Is not transmitted to our servers
- Is protected by your device's security features (passcode, Face ID, etc.)
- Is encrypted at rest by iOS
Cloud Synchronization
Cloud synchronization is currently DISABLED. All your data remains on your device only.
Security Measures
We implement industry-standard security measures:
- All network requests use HTTPS encryption (TLS 1.2+)
- No sensitive data is transmitted or stored on external servers
- No authentication credentials are stored (no account system)
- We follow Apple's security best practices for iOS development
5. Data Retention and Deletion
| Data Type | Retention Period | Deletion Method |
|---|---|---|
| Local App Data | Until you delete the App | Uninstall the App |
| Anonymous Analytics Data | 12 months | Automatically deleted |
| Crash Reports | 90 days | Automatically deleted |
How to Delete Your Data
- Delete Local Data: Uninstall the App from your device. This removes ALL local data.
- Request Analytics Deletion: Email centy@s10n.app with subject "Data Deletion Request" and we will delete any analytics data within 30 days.
How to Revoke Consent
- Camera Access: Settings → Privacy & Security → Camera → Centy → Off
- Location Access: Settings → Privacy & Security → Location Services → Centy → Never
6. Your Privacy Rights
Rights for All Users
- Right to Access: View your locally stored data in App settings
- Right to Delete: Delete data by uninstalling the App
- Right to Opt-Out: Disable optional permissions in device settings
- Right to Withdraw Consent: Revoke permissions at any time
European Economic Area (EEA) - GDPR Rights
If you are in the EEA, you have additional rights under GDPR including the right of access, rectification, erasure, restriction of processing, data portability, and the right to object to processing.
California Residents - CCPA Rights
If you are a California resident, you have the right to know what personal information is collected, request deletion, opt-out of sale (we do NOT sell personal information), and non-discrimination for exercising privacy rights.
7. Children's Privacy
- The App is rated 4+ and is suitable for all ages
- We do NOT knowingly collect personal information from children under 13
- The App does NOT require any personal information to function
- We comply with COPPA and similar laws
8. App Store Privacy Disclosures
App Privacy "Nutrition Labels":
| Data Used to Track You | NONE |
| Data Linked to You | NONE |
| Data Not Linked to You | Usage Data, Diagnostics |
This App does NOT track you across apps and websites owned by other companies. This App does NOT use the IDFA (Identifier for Advertisers).
9. Changes to This Policy
We may update this Privacy Policy from time to time. When we make changes, we will update the "Last Updated" date at the top of this policy. For material changes, we will notify you via App update notes or in-app notification.
10. Contact Us
If you have questions, concerns, or requests regarding this Privacy Policy or your data:
- Developer: S10N Apps
- Email: centy@s10n.app
- Website: https://centy.s10n.app
For data deletion requests, email us with subject line "Data Deletion Request". We will respond to all inquiries within 30 days.