Pin Me App is a free Android app developed by Pie Mobile Apps LLC, falling under the Travel & Navigation category and Maps & GPS subcategory. The app allows users to track multiple devices simultaneously by creating a group and sharing a link with friends and family via SMS or email, without requiring registration or personal information.

The app utilizes Android's Work Manager to send location updates in the background, ensuring reliable performance even if the app is closed or the device is restarted. The app sends near real-time location updates (up to 15 seconds interval) when running in the foreground and the device sends location updates when running in the background. The app only sends location coordinates, with no personal identifiable information or device-specific information being shared with the cloud. The location update information is encrypted and only group members can decrypt and read the location updates. The app supports up to 50 devices in a group.

Overall, Pin Me App is a useful tool for those who want to track multiple devices simultaneously without the need for registration or personal information. The app works well in the background and is easy to use, making it a convenient option for families or groups of friends traveling together.