# O2X vs Sharp Performance App

The clearest difference is rating: Sharp Performance App at 5.0 against O2X's 4.2. Sharp Performance App also leads on review sentiment (100% vs 64%) and in-app purchases (none vs 2). O2X's advantage is ratings volume (66 vs 9). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. O2X sells 2 in-app purchases, starting at $9.99 per month. Sharp Performance App asks for nothing beyond the download.

Sharp Performance App holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: O2X has 66 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 64% of O2X's written reviews are positive against 100% of Sharp Performance App's.

O2X ships an update every 3 weeks, Sharp Performance App monthly. The most recent releases landed on October 1, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | O2X | Sharp Performance App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (66 ratings)](https://appshunter.io/ios/app/o2x/id1491463207/reviews) | **[5.0 (9 ratings)](https://appshunter.io/ios/app/sharp-performance-app/id6445944408/reviews)** |
| Number of ratings | **66** | 9 |
| Positive reviews | 64.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 65 MB | 43 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [O2X Human Performance LLC](https://appshunter.io/developer/1491463206) | [Sharp Performance](https://appshunter.io/developer/1674991122) |

## What reviewers say

### O2X

[App page](https://appshunter.io/ios/app/o2x/id1491463207)

This app delivers personalized physical and mental training programs designed to meet your specific needs. Access workouts and guidance from a team of over 150 elite athletes, special operations veterans, and academics.

**Highlights:** Customized training programs, Physical training, Mental training, World-class athlete trainers, Special operations veteran trainers, Academic expertise

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $9.99 | per month |
| Yearly Subscription | $99.99 | per year |


### Sharp Performance App

[App page](https://appshunter.io/ios/app/sharp-performance-app/id6445944408)

This platform offers mental training and resilience development for professionals in high-risk occupations. It adapts proven military techniques to enhance performance in dynamic situations and support long-term career well-being. The app provides personalized training and connects users with organizational mental support.

**Highlights:** Mental training for high-risk occupations, Resilience development, Adapted military training techniques, Customized and diversified mental exercises, Connection to organizational mental support

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

**In-app purchases:** none


## Frequently asked questions

### Is O2X free?

O2X is free to download, with in-app purchases available.

### Is Sharp Performance App free?

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

### Which has better reviews, O2X or Sharp Performance App?

Sharp Performance App is rated higher. O2X averages 4.2 out of 5 from 66 ratings, while Sharp Performance App averages 5.0 from 9 ratings.

### Do O2X or Sharp Performance App have ads?

Neither O2X nor Sharp Performance App shows ads.

### Which is updated more often, O2X or Sharp Performance App?

O2X ships an update every 3 weeks, and Sharp Performance App monthly. Most recently, O2X was updated on October 1, 2026 and Sharp Performance App on September 15, 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.*