
About
This app provides a professional-grade timer for Tabata and HIIT workouts, offering customizable intervals and real-time heart rate tracking. It prioritizes user privacy by storing all data locally and allowing for offline use. Users can monitor performance metrics and integrate with HealthKit.
What's New in Zanshin Fitness
1.0
January 9, 2026
FAQ
What is Zanshin Fitness?
Zanshin Fitness is a professional-grade Tabata and HIIT workout timer designed for athletes who value both performance and privacy. It allows users to track heart rate zones, calories, and training points with all data stored locally on the device.
Does Zanshin Fitness have ads?
No, Zanshin Fitness does not contain advertisements. The app is completely free and ad-free, focusing on a distraction-free user experience.
What devices is Zanshin Fitness available on?
Zanshin Fitness is available on iPhone and iPad devices. It requires iOS 18.6 or later to function correctly.
How does Zanshin Fitness handle user data privacy?
Zanshin Fitness is built with privacy as a core principle. All workout data, heart rate information, and personal metrics are stored exclusively on your device and are 100% offline, requiring no internet connection.
Can I connect a heart rate monitor to Zanshin Fitness?
Yes, Zanshin Fitness supports connecting Bluetooth heart rate monitors for real-time tracking of 5 heart rate zones. This feature provides average, max, and min heart rate data, along with zone distribution analysis.
What workout types does Zanshin Fitness support?
Zanshin Fitness supports classic Tabata (20s work, 10s rest, 8 rounds), customizable HIIT intervals, and a free-form open timer. Users can also create and save their own custom workouts.
How often is Zanshin Fitness updated?
Zanshin Fitness was last updated on January 9, 2026, with version 1.0. Future updates will likely focus on improving features and maintaining compatibility with the latest iOS versions.
Can I export my workout data from Zanshin Fitness?
Yes, Zanshin Fitness allows you to export your workout data to CSV format. You can export individual workouts or your complete workout history, including heart rate graphs and zone analysis.





