# BK Conditioning vs O2 Performance

The clearest difference is in-app purchases: O2 Performance at none against BK Conditioning's 1. O2 Performance also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. BK Conditioning sells 1 in-app purchase, starting at $399.99 per month. O2 Performance asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on May 17, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | BK Conditioning | O2 Performance |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Size | 52 MB | 56 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Brandon Kempter](https://appshunter.io/developer/1700678696) | [GymVUE Pty Ltd](https://appshunter.io/developer/1593348109) |

## What reviewers say

### BK Conditioning

[App page](https://appshunter.io/ios/app/bk-conditioning/id6456943589)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Coaching | $399.99 | per month |


### O2 Performance

[App page](https://appshunter.io/ios/app/o2-performance/id6737245216)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BK Conditioning free?

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

### Is O2 Performance free?

O2 Performance is free to download, with no in-app purchases.

### Do BK Conditioning or O2 Performance have ads?

Neither BK Conditioning nor O2 Performance shows ads.

### Which is updated more often, BK Conditioning or O2 Performance?

BK Conditioning ships an update every 6 weeks, and O2 Performance every 6 weeks. Most recently, BK Conditioning was updated on May 17, 2026 and O2 Performance on June 11, 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.*