FB Invincible Plus is a free supporting app for smartwatches developed by FireBoltt. The app offers a range of functions, including step counting, calorie monitoring, sleep monitoring, alarm clock, sedentary, incoming calls and message reminders. With this app, users can keep track of their body and exercise status more intuitively, making it easier to achieve their fitness goals.

The user-friendly interface of FB Invincible Plus makes it easy to navigate through the app and access the different features. The step counter is accurate and tracks the number of steps taken throughout the day. The calorie monitor calculates the number of calories burned during exercise and helps users to keep track of their diet. The sleep monitor provides insights into the quality and duration of sleep, helping users to improve their sleep patterns.

The app also includes an alarm clock feature that can be customized to suit individual preferences. The sedentary reminder helps users to stay active by reminding them to move after prolonged periods of inactivity. In addition, the app sends notifications for incoming calls and messages, making it easier to stay connected while on the go.

Overall, FB Invincible Plus is a comprehensive supporting app for smartwatches that offers a range of functions to help users achieve their fitness goals. With its user-friendly interface and accurate tracking, this app is definitely worth trying out.