# Tennis Notes vs VO2 Max Tracker

The clearest difference is rating: Tennis Notes at 4.8 against VO2 Max Tracker's 4.0. Tennis Notes also leads on ratings volume (16 vs 1). VO2 Max Tracker's advantage is update cadence (every 2 weeks vs every 4 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Tennis Notes sells 1 one-off in-app purchase and VO2 Max Tracker sells 6 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Tennis Notes holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: Tennis Notes has 16 ratings behind it against 1, so its average is the more settled of the two.

Tennis Notes ships an update every 4 weeks, VO2 Max Tracker every 2 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | Tennis Notes | VO2 Max Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (16 ratings)](https://appshunter.io/ios/app/tennis-notes-match-tracker/id1636033912/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/vo2-max-tracker-zephyrus/id6450862734/reviews) |
| Number of ratings | **16** | 1 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 201 MB | 17 MB |
| Requires iOS | **17.6** | 18.6 |
| Devices | iPhone, Apple Watch | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Intuitive Computers](https://appshunter.io/developer/306478085) | [Havard Tryman](https://appshunter.io/developer/1662964293) |

## What reviewers say

### Tennis Notes

[App page](https://appshunter.io/ios/app/tennis-notes-match-tracker/id1636033912)

This app helps tennis players improve their game by tracking matches, planning future sessions, and analyzing performance trends. It allows users to create opponent profiles, store tactical notes, and gain insights into their strengths and weaknesses. Integrated with Apple Watch for seamless workout data tracking.

**Highlights:** Log match and training sessions, Schedule future matches and trainings, Store tactics, lessons, and reflections, Create detailed opponent profiles, Analyze long-term game trends, Track sessions from Apple Watch

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tennis Notes - Pro Lifetime | $12.99 | one-time |


### VO2 Max Tracker

[App page](https://appshunter.io/ios/app/vo2-max-tracker-zephyrus/id6450862734)

Measure your cardio fitness (VO₂ max) using a treadmill test and track your progress. Create or select from pre-made HIIT workouts, with real-time guidance on target zones. Integrates with Apple Watch and Bluetooth heart rate monitors.

**Highlights:** VO₂ max testing on treadmills, HIIT workout creation and selection, Real-time target zone guidance, Apple Watch and heart rate monitor integration, Workout history with heart rate graphs, iCloud data synchronization

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Weekly) | $4.99 | per 7 days |
| Pro (Monthly) | $7.99 | per month |
| Pro | $8.99 | per 7 days |
| Pro | $24.99 | per year |
| Pro (Yearly) | $24.99 | per year |
| Pro (Yearly) | $59.99 | per year |


## Frequently asked questions

### Is Tennis Notes free?

Tennis Notes is free to download, with in-app purchases available.

### Is VO2 Max Tracker free?

VO2 Max Tracker is free to download, with in-app purchases available.

### Which has better reviews, Tennis Notes or VO2 Max Tracker?

Tennis Notes is rated higher. Tennis Notes averages 4.8 out of 5 from 16 ratings, while VO2 Max Tracker averages 4.0 from 1 ratings.

### Do Tennis Notes or VO2 Max Tracker have ads?

Neither Tennis Notes nor VO2 Max Tracker shows ads.

### Which is updated more often, Tennis Notes or VO2 Max Tracker?

Tennis Notes ships an update every 4 weeks, and VO2 Max Tracker every 2 weeks. Most recently, Tennis Notes was updated on October 30, 2026 and VO2 Max Tracker on October 30, 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.*