GB Status Saver: Last Online is a free Android app developed by Bui Dong Studio. It falls under the category of Utilities & Tools and offers a convenient way to measure your children's online and offline time.

With GB Status Saver: Last Online, you can easily track the time your children spend online and offline. The app allows you to control and monitor their usage on a daily, weekly, and monthly basis. You can receive notifications whenever you want, keeping you informed about their online activities.

One of the key features of GB Status Saver: Last Online is the ability to see hidden last seen statuses. Even if the last-seen status is turned off, you can still track a contact's activity. This can be particularly useful for parents who want to keep an eye on their children's online presence.

The app also provides real-time online/offline notifications. You will be instantly notified whenever a chosen contact becomes online or offline. This feature ensures that you stay updated on their availability.

GB Status Saver: Last Online allows you to track an unlimited number of accounts. Simply select the account from your contact list, and you can start monitoring their online and offline time.

Overall, GB Status Saver: Last Online is a user-friendly app that provides valuable insights into your children's online behavior. It offers a 3-day free trial for users to preview its full functionality. If you're looking for a convenient way to measure and monitor online and offline time, this app could be a useful tool.