Square Privacy Policy

Effective date: June 13, 2026

Square (“the Service”) is a co-op service where developers test one another's apps. We take your privacy seriously and collect, use, store, and delete personal information as described below.

1. Information We Collect

CategoryItemsHow collected
Required
(sign-in)
Email address and unique account identifier (UID) of your Google account Automatically on Google sign-in
Optional
(contacts)
KakaoTalk ID, KakaoTalk OpenChat, email, phone number, Discord, Instagram, other — items you enter yourself Entered by the user
Service
usage data
Nickname (randomly assigned), registered app info (name, package name, icon, links), room creation/participation records, attendance (app-launch verification) records, notifications Generated through use of the Service
Push
notifications
Push notification token (FCM registration token — a device identifier), push notification preferences Generated automatically when notifications are allowed and the app runs
Automatically
collected
Advertising ID, device/usage information (for ad delivery and service operation) Automatically via the ad SDK (Google AdMob)

A nickname is randomly assigned at sign-up, and your Google account's real name is not displayed in the Service. Among the contacts you enter, only the items you mark as “public” are visible to other users (for coordinating the co-op). “Private” items are visible only to you.

2. Purpose of Use

The push notification token is used solely to deliver the room activity notifications above to your device; it is not used for advertising or marketing. You can turn off push notifications at any time in the app settings or your device's notification permission (see Section 6).

3. Disclosure to Third Parties

4. Outsourcing and Overseas Transfer

For stable operation, the Service entrusts the processing of personal information to the following providers, whose servers may be located overseas.

ProviderEntrusted work
Google LLC (Firebase) Authentication, database (Firestore), file storage (Storage), server functions (Cloud Functions), push notification delivery (Cloud Messaging)
Google LLC (AdMob) Ad delivery and measurement

5. Retention and Deletion

6. Your Rights

7. Advertising ID

You can control personalized ads in your device settings. Android: reset your advertising ID or turn off ad personalization under Settings > Privacy > Ads.

8. Children's Privacy

The Service is intended for developers and is not directed to children under 14. If we become aware that we have collected personal information from a child under 14, we will delete it without delay.

9. Contact

For inquiries, access, or deletion requests regarding personal information, please contact us:

10. Changes to This Policy

If this Privacy Policy is added to, removed, or modified, we will announce the changes through the app or this page.

Last updated: June 13, 2026