In The Zone Training
Heart rate zone training
About
Train effectively by monitoring your heart rate zones in real-time. This app uses your Apple Watch data to guide your effort, providing visual cues and haptic feedback to keep you in your target zone. Track indoor and outdoor activities with detailed zone-colored maps and monitor your training load.
What's New in In The Zone Training
1.2.1
October 25, 2026
Heart rate now reaches your iPhone the moment the watch reads it, so the phone no longer shows "No signal" while your watch is reading you fine. When the watch's sensor briefly loses your pulse (common on a rower or with weights, where your grip flexes the wrist), the watch and the treadmill screen now say "Finding pulse", so you know to snug the band rather than wonder about the connection.
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FAQ
What is In The Zone Training?
In The Zone Training is a fitness app that helps you train by heart rate zones. It uses your Apple Watch to show you which of five training zones you are working in live, so you can adjust your effort accordingly.
How does In The Zone Training use my Apple Watch?
The app receives live heart rate data directly from an Apple Watch workout, ensuring immediate and accurate readings. Your watch can also tap your wrist with different patterns to alert you if you drift out of your target zone.
Can In The Zone Training be used for indoor workouts?
Yes, In The Zone Training is built for both indoor and outdoor activities. Treadmill, elliptical, bike, and rower workouts are fully supported, with a clear display of your effort zones.
How are heart rate zones calculated in In The Zone Training?
Heart rate zones are calculated using the Tanaka formula based on your age, or from a maximum heart rate you measure yourself. You can choose to use percentage of maximum or the Karvonen scale if you know your resting heart rate.
Does In The Zone Training track training load?
Yes, the app tracks training load by weighing your time spent in different intensity zones. It compares your current week's load against your recent average, providing a more insightful metric than total workout time alone.
What is the price of In The Zone Training?
In The Zone Training is a paid app, available for $1.99. This one-time purchase grants you access to all features without any recurring fees.
Does In The Zone Training have ads?
No, In The Zone Training does not contain advertisements. The app is designed to be ad-free, ensuring an uninterrupted training experience.
What devices does In The Zone Training support?
In The Zone Training is supported on Apple Watch and iPhone. This allows for seamless integration and use during your workouts.