# V.O2 vs CROS Performance

The clearest difference is in-app purchases: CROS Performance at none against V.O2's 17. CROS Performance also leads on update cadence (daily vs weekly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. V.O2 sells 16 in-app purchases, starting at $12.99 per month. CROS Performance asks for nothing beyond the download.

V.O2 ships an update weekly, CROS Performance daily. The most recent releases landed on October 19, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | V.O2 | CROS Performance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (6.3K ratings)](https://appshunter.io/ios/app/vo2-running-coach/id977666802/reviews)** | — |
| Number of ratings | **6.3K** | — |
| Positive reviews | 71.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 142 MB | 4 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [The Run SMART Project, LLC](https://appshunter.io/developer/973571013) | [Noah Arterburn](https://appshunter.io/developer/1870366431) |

## What reviewers say

### V.O2

[App page](https://appshunter.io/ios/app/vo2-running-coach/id977666802)

This app provides adaptive training plans and personalized coaching for runners of all levels. It assesses your fitness, offers custom paces, and syncs with popular devices. Train intelligently to achieve measurable improvements and become your best runner.

**Highlights:** Adaptive training plans, VDOT fitness assessment, Personalized training paces, Sync with Apple Health, Coros, Garmin, Strava, Real-time guidance on Apple Watch, Coros, Garmin, Training adaptation based on improvement, Coach communication and training adjustments

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Adaptive Training Subscription | $12.99 | per month |
| Adaptive Training - Annual | $99.99 | per year |
| Base/Fitness - 8 weeks | $44.99 | one-time |
| Half Marathon - 12 weeks | $54.99 | one-time |
| 10 Km - 12 weeks | $54.99 | one-time |
| 5 Km - 12 weeks | $54.99 | one-time |
| 1500m - 12 weeks | $54.99 | one-time |
| 3 Km - 12 weeks | $54.99 | one-time |
| Marathon - 15 weeks | $69.99 | one-time |
| Half Marathon - 15 weeks | $69.99 | one-time |
| Marathon - 18 weeks | $79.99 | one-time |
| Half Marathon - 18 weeks | $79.99 | one-time |
| Jack's Elite Marathon - 18wks | $79.99 | one-time |
| Jack's First Marathon - 18wks | $79.99 | one-time |
| Jack's Boston Marathon - 18wks | $94.99 | one-time |
| Marathon - 24 weeks | $99.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Great integration with Garmin watches
- 💡 Excellent for coaching and athlete communication
- 👍 Fantastic adaptive programming and training plans
- 👍 Seamless sync with Garmin and other platforms

**What reviewers complain about**

- 🐛 Issues with syncing to Garmin and other platforms
- 🐛 Inconsistent performance and bugs
- 🐛 Difficulty editing or moving workouts
- 🐛 Inaccurate elevation and GPS tracking
- 🔍 Limited customization and preset workout options

**Reported bugs**

- Apple Watch app issues and lack of functionality
- Problems with syncing Garmin runs to the correct workouts
- Inconsistent elevation and GPS data
- Bugs and crashes when using the app

**Requested features**

- Ability to duplicate and edit workouts
- Improved Apple Watch and Health app integration
- More advanced adaptive training and automation
- Expanded cross-training and workout modalities
- Better user interface and workflow for coaches


### CROS Performance

[App page](https://appshunter.io/ios/app/cros-performance/id6761743433)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is V.O2 free?

V.O2 is free to download, with in-app purchases available.

### Is CROS Performance free?

CROS Performance is free to download, with no in-app purchases.

### Do V.O2 or CROS Performance have ads?

Neither V.O2 nor CROS Performance shows ads.

### Which is updated more often, V.O2 or CROS Performance?

V.O2 ships an update weekly, and CROS Performance daily. Most recently, V.O2 was updated on October 19, 2026 and CROS Performance on September 25, 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.*