Better Mahjong — Privacy Policy
Last updated August 18, 2026
Privacy-first by design
Our Privacy Commitment
Better Mahjong is designed with privacy as a core principle. We do not collect advertising identifiers or behavioral profiles. The app sends an anonymous launch ping to /api/usage/launch (device identifier, bundle id, app version, OS version, device model, and locale) so we can see which apps are used. App content stays on your device unless you explicitly choose to sync, export, send a support request, or — for Better Dashboard — talk to your own Hubitat hub.
1. Information We Don't Collect
Better Mahjong is built with a privacy-first approach. We specifically do NOT collect:
- Personal identification information (name, email, address), except what you voluntarily include in a support message
- Anonymous launch telemetry only (no advertising identifiers or behavioral profiles)
- Location data
- Device identifiers for advertising
- Contacts or phone numbers
- Financial information
2. Data Storage
All data you create within Better Mahjong is stored:
- Locally on your device - Your data never leaves your device unless you explicitly choose to sync, export, or send it for support
- In your private iCloud - If you enable iCloud sync, data is stored in your personal iCloud account, protected by Apple's security
3. iCloud Sync
Better Mahjong may offer optional iCloud synchronization. When enabled:
- Data is synced to your personal Apple iCloud account
- Data is encrypted in transit and at rest using Apple's encryption
- We have no access to your iCloud data
- You can disable sync at any time in your device settings
4. Support Requests and Question Reports
Support messages are optional and are only sent when you choose to contact us.
Anonymous Launch Telemetry
On launch, Better Mahjong may send one anonymous ping to https://stuarttech.com/api/usage/launch via the first-party StuartTechUsage library. The report includes a Keychain-stored random device identifier, bundle identifier, app version, OS version, device model, and locale (screen size may also be included). It is not linked to your name, Apple ID, or the content you create in the app. We retain it only long enough to understand which apps are used. There is no in-app opt-out today; uninstalling the app stops further reports. Contact [email protected] to request deletion of stored launch records for your device identifier.
5. Third-Party Services
Better Mahjong does not include:
- Third-party analytics SDKs (Google Analytics, Firebase, etc.)
- Advertising networks
- Social media tracking pixels
- Advertising or social tracking pixels
6. On-Device Processing
Features like AI summaries, voice transcription, and data analysis happen entirely on your device using Apple's on-device machine learning. No data is sent to external servers for processing.
7. Children's Privacy
Better Mahjong does not knowingly collect personal information from children. Optional support reports should be sent by a parent, guardian, or other responsible user when needed.
8. Data Deletion
Since all data is stored on your device or in your personal iCloud account, you have complete control over deletion. Uninstalling the app removes all local data. iCloud data can be removed through your Apple iCloud settings.
9. Changes to This Policy
We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last updated" date.
10. Contact Us
If you have any questions about this Privacy Policy, please contact us: