# Heart Analyzer vs Just VO2 Max

The clearest difference is in-app purchases: Just VO2 Max at none against Heart Analyzer's 7. Just VO2 Max also leads on rating (5.0 vs 4.7). Heart Analyzer's advantage is ads (none vs shown) and ratings volume (22K vs 3). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Heart Analyzer sells 7 in-app purchases, starting at $3.99 per month. Just VO2 Max asks for nothing beyond the download.

Just VO2 Max holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Heart Analyzer has 22K ratings behind it against 3, so its average is the more settled of the two.

Heart Analyzer ships an update weekly, Just VO2 Max every 5 days. The most recent releases landed on October 22, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Heart Analyzer | Just VO2 Max |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (22K ratings)](https://appshunter.io/ios/app/heart-analyzer-pulse-tracker/id1006420410/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/just-vo2-max/id6790672784/reviews)** |
| Number of ratings | **22K** | 3 |
| Positive reviews | 84.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 54 MB | 11 MB |
| Requires iOS | 17.5 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Helix Apps LTD](https://appshunter.io/developer/1479527439) | [Cuprea s.r.o.](https://appshunter.io/developer/6790557326) |

## What reviewers say

### Heart Analyzer

[App page](https://appshunter.io/ios/app/heart-analyzer-pulse-tracker/id1006420410)

Gain deep insights into your heart health using data from your Apple Watch. Visualize trends, analyze metrics like Cardio Recovery and Heart Rate Zones, and generate detailed PDF reports. Offers advanced features and privacy-focused data handling.

**Highlights:** Dashboard with daily summaries, Visualized heart rate and health data charts, Health vital trend assessment, Cardio Recovery and Heart Rate Zone analysis, Exportable PDF heart reports, ECG data comparison, HRV rMSSD and heart rate calibration

**Features:** Family Sharing, Apple Watch app

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Annual | $19.99 | per year |
| Data Plus | $9.99 | one-time |
| Reports Plus | $9.99 | one-time |
| Analytics Plus | $9.99 | one-time |
| Complete Premium | $24.99 | one-time |
| Lifetime Access | $49.99 | one-time |

**What reviewers like**

- 🚀 Great app for health monitoring
- 👍 Packed with useful information
- 🚀 Excellent visualizations and charts
- 👍 Easy to use and understand
- 👍 Helpful for monitoring heart conditions

**What reviewers complain about**

- 🐛 Occasional crashes or bugs
- 🔋 Drains Apple Watch battery
- 🔍 Needs more explanation of metrics
- 🔍 Visuals could be improved for easier reading
- 🔍 Automatic updates to complications not reliable

**Reported bugs**

- Premium features not working as expected
- Syncing issues between iPhone and Apple Watch
- Oxygen level tracking not functioning properly

**Requested features**

- Add blood pressure monitoring
- Allow generating reports for current month
- Improve ECG interpretation guidance
- Add option to customize Apple Watch complications


### Just VO2 Max

[App page](https://appshunter.io/ios/app/just-vo2-max/id6790672784)

Displays your most recent VO2 Max reading from Apple Health directly on your Apple Watch face. It refreshes automatically when new data is available after your workout, keeping your health information private and on your device.

**Highlights:** VO2 Max display, Apple Health integration, Automatic refresh, On-device data storage, Read-only data access

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Heart Analyzer free?

Heart Analyzer is free to download, with in-app purchases available.

### Is Just VO2 Max free?

Just VO2 Max is free to download, with no in-app purchases.

### Which has better reviews, Heart Analyzer or Just VO2 Max?

Just VO2 Max is rated higher. Heart Analyzer averages 4.7 out of 5 from 22K ratings, while Just VO2 Max averages 5.0 from 3 ratings.

### Do Heart Analyzer or Just VO2 Max have ads?

Just VO2 Max shows ads; Heart Analyzer does not.

### Which is updated more often, Heart Analyzer or Just VO2 Max?

Heart Analyzer ships an update weekly, and Just VO2 Max every 5 days. Most recently, Heart Analyzer was updated on October 22, 2026 and Just VO2 Max on October 13, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*