# Target Zone Keeper

> Optimize heart rate for VO2 max improvement with minimal interaction. (iPhone/iPad app by Margarita Bliznikova.)

- Source: https://appshunter.io/ios/app/target-zone-keeper/id6673919937 (this page in markdown: same URL + `.md`)
- Developer: [Margarita Bliznikova](https://appshunter.io/developer/1765769948)
- Category: Health & Fitness, Sports
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 17.6 · 2 MB
- Languages: American English
- Released: 2024-11-15
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/target-zone-keeper/id6673919937/reviews.md

## What is Target Zone Keeper?

Want to improve your endurance and cardiovascular fitness? Boosting your VO2 max - the amount of oxygen your body uses during intense exercise - is the key. 

Target Zone Keeper helps you achieve this by keeping your heart rate in the optimal zone. With a simple, intuitive interface (no complex setup!), it offers visual cues and haptic feedback to keep you focused without interrupting your flow, even when you’re wearing a gloves or simply can’t turn your wrist!

Key features
- Keeps you in the target heart rate zone with minimal to none wrist interaction
- Simple, intuitive setup for easy use right out of the box
- Non-disruptive, customizable alerts
- Personalized heart rate zones focused on VO2 max improvement
- Seamless integration with Apple Health for workout tracking

Benefits
- Get instant feedback without disrupting your workout flow
- Optimize your training specifically for VO2 max improvement

## Key features

- Maintains target heart rate zone
- Minimal wrist interaction required
- Simple, intuitive setup
- Customizable, non-disruptive alerts
- Personalized heart rate zones
- Apple Health integration


## Frequently asked questions about Target Zone Keeper

### What is Target Zone Keeper used for?

Target Zone Keeper helps you improve your endurance and cardiovascular fitness by keeping your heart rate in the optimal zone for boosting your VO2 max. It provides real-time feedback to optimize your training.

### Does Target Zone Keeper require constant wrist interaction?

No, Target Zone Keeper is designed for minimal to none wrist interaction. It offers visual cues and haptic feedback, allowing you to stay focused on your workout without needing to constantly check your device.

### Can Target Zone Keeper be used with gloves?

Yes, the app is designed to be used even when wearing gloves or when you cannot easily turn your wrist. This ensures uninterrupted training sessions.

### How does Target Zone Keeper integrate with other health apps?

Target Zone Keeper seamlessly integrates with Apple Health for comprehensive workout tracking. This allows for a consolidated view of your fitness data.

### What is the age rating for Target Zone Keeper?

Target Zone Keeper has an age rating of 4+, making it suitable for a wide range of users.

### On which devices can Target Zone Keeper be used?

Target Zone Keeper is available on both Apple Watch and iPhone, providing flexibility for your training setup.

### How often is Target Zone Keeper updated?

The latest version is 1.0.2, and the app was last updated on January 1, 2026. This indicates a recent update, suggesting ongoing development and support.

### Does Target Zone Keeper have ads?

No, Target Zone Keeper does not contain advertisements. It offers an ad-free experience to users.

## Version history (last 3 releases)

### 1.0.2 — 2026-01-01

Age Ratings and privacy info updated

### 1.0.1 — 2024-11-28

The new app screenshots have been added for 6.5" and 6.9" screen sizes along with the screenshot of haptic demonstration on Apple Watch.

### 1.0.0 — 2024-11-15

No release notes.

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## More apps by Margarita Bliznikova

- [Pomodoro Minimalista](https://appshunter.io/ios/app/pomodoro-minimalista/id6756944449)

All apps by Margarita Bliznikova: https://appshunter.io/developer/1765769948

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*