# O2X vs iApp Connect

The clearest difference is rating: O2X at 4.2 against iApp Connect's 1.0. O2X also leads on review sentiment (66% vs 25%) and update cadence (every 3 weeks vs every 3 months). iApp Connect's advantage is in-app purchases (none vs 2). On price, ads, device support and iOS requirement there is nothing between them.

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

O2X holds the better App Store score, 4.2 against 1.0. That said, the two scores are not equally well evidenced: O2X has 68 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 66% of O2X's written reviews are positive against 25% of iApp Connect's.

O2X ships an update every 3 weeks, iApp Connect every 3 months. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | O2X | iApp Connect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (68 ratings)](https://appshunter.io/ios/app/o2x/id1491463207/reviews)** | [1.0 (3 ratings)](https://appshunter.io/ios/app/iapp-connect/id6608972466/reviews) |
| Number of ratings | **68** | 3 |
| Positive reviews | **65.5% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 79 MB | 1 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [O2X Human Performance LLC](https://appshunter.io/developer/1491463206) | [SELVAS Healthcare, Inc.](https://appshunter.io/developer/1272042475) |

## 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 |


### iApp Connect

[App page](https://appshunter.io/ios/app/iapp-connect/id6608972466)

Track your body composition metrics like skeletal muscle mass, body fat, and BMI directly on your smartphone. Visualize your progress with cumulative graphs and receive personalized diet and exercise guidance to achieve your fitness goals.

**Highlights:** Body composition analysis, Skeletal muscle mass tracking, Body fat percentage monitoring, Cumulative progress graphs, Personalized diet guides, Customized exercise plans

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is O2X free?

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

### Is iApp Connect free?

iApp Connect is free to download, with no in-app purchases.

### Which has better reviews, O2X or iApp Connect?

O2X is rated higher. O2X averages 4.2 out of 5 from 68 ratings, while iApp Connect averages 1.0 from 3 ratings.

### Do O2X or iApp Connect have ads?

Neither O2X nor iApp Connect shows ads.

### Which is updated more often, O2X or iApp Connect?

O2X ships an update every 3 weeks, and iApp Connect every 3 months. Most recently, O2X was updated on October 14, 2026 and iApp Connect on October 10, 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.*