FB-ACTIVE is a free Android app developed by NaJingYun. It is a companion app that works with smart wearable devices. The app falls under the category of Utilities & Tools and aims to provide a better user experience for those who use wearable devices.

The app has a simple and easy-to-use interface that allows users to connect their wearable devices with their smartphones. FB-ACTIVE provides users with real-time data on their wearable devices, such as steps taken, calories burned, and heart rate. Users can also set goals and track their progress through the app.

FB-ACTIVE is a useful app for those who want to keep track of their fitness goals and stay active throughout the day. It is a great companion app for wearable devices and provides users with valuable insights into their physical activity. However, the app lacks some advanced features that are present in other similar apps.