Boxing Timer: Rounds & MMA
HIIT, Tabata, Interval Workout
About
Design your own high-intensity interval training routines with custom exercises and personalized intervals. Track your calorie burn and heart rate to stay motivated and achieve your fitness goals. Tailor your workouts to your unique needs and objectives.
What's New in Boxing Timer
2.0.0
September 16, 2026
Fitrix is now a boxing round timer. - Rounds, rest and a warning bell built for the ring - The timer keeps running locked, backgrounded or in your pocket - Bells duck over your music instead of pausing it - Fourteen training types, from boxing and Muay Thai to HIIT, strength and yoga - Apple Watch app with haptic round alerts and Apple Health logging - Live Activity on the Lock Screen and Dynamic Island - Save your own presets, and review every session in the journal
MoreSubscriptions & In-App Purchases
Monthly Subscription
Gives monthly access to premium features
Developer apps
FAQ
What is Fitrix?
Fitrix is a health and fitness application designed to help users create personalized High-Intensity Interval Training (HIIT) workouts. It allows for custom exercises and intervals, along with tracking calorie burn and heart rate.
Does Fitrix have ads?
No, Fitrix does not contain advertisements.
What are the subscription options for Fitrix?
Fitrix offers a monthly subscription for $3.99 with a 3-day free trial, and a yearly subscription for $12.99 with a 7-day free trial.
What devices does Fitrix support?
Fitrix is available on Apple Watch and iPhone.
How often is Fitrix updated?
The latest version of Fitrix is 1.2.0, which was last updated on August 31, 2023. Updates typically occur to improve features and performance.
What is the age rating for Fitrix?
Fitrix has an age rating of 4+, making it suitable for a wide range of users.
Can I track my heart rate with Fitrix?
Yes, Fitrix allows you to track your heart rate during workouts, helping you monitor your intensity and progress towards your fitness objectives.
How does Fitrix compare to other interval training apps?
Fitrix differentiates itself by focusing on highly personalized workout creation with custom exercises and intervals, alongside integrated calorie and heart rate tracking, rather than offering pre-set routines.
