Privacy Policy
Effective 2026-10-23
MuMu Labs operates First Guest and handles personal data as described below.
1. What we collect and why
| Data | Purpose | Retention |
|---|---|---|
| Google account email and identifier | Sign-in; adding you to a tester list (shared with that app’s developer) | Until you delete your account |
| Nickname, 14+ confirmation, consent time | Using the Service; age restriction | Until account deletion |
| Check-in dates and notes, proof screenshots, feedback | 14-day participation record, feedback to developers, credit settlement | Until account deletion |
| SDK ping: pairing token, package name, app version, date received | Confirming participation by app launches | Until account deletion |
| HMAC of IP address and browser string (raw values are not stored) | Preventing multi-account and self-testing abuse | 30 days |
| Credit ledger, notifications, reports | Running the Service | Until account deletion |
We do not collect device IDs, advertising IDs, location or contacts.
2. Sharing
- When you apply to test an app, its developer sees your email, nickname, check-ins and feedback. Developers may use your email only for their Play Console tester list.
- We share nothing with other third parties except where required by law.
3. Processors and international transfer
| Recipient | Role | Location |
|---|---|---|
| Supabase Inc. | Auth, database, file storage | The Supabase cloud region configured for the Service |
| Vercel Inc. | Web hosting and server execution | Vercel regions including the US |
| Google LLC | Google sign-in | United States |
4. Your rights
You can ask to access, correct, delete or stop processing your data at mumulabs7@gmail.com. On account deletion we erase the data above without delay, except where law requires retention.
5. Security
Encryption in transit, row-level access control, private storage for proof screenshots (shown only via short-lived links), and no storage of raw IPs.
6. Cookies
Only essential cookies to keep you signed in. No advertising or analytics cookies.
7. Contact
MuMu Labs · mumulabs7@gmail.com
8. Changes
We will post changes on the site 7 days before they take effect.