# Transform Training vs O2 Renew

The clearest difference is update cadence: O2 Renew at every 4 weeks against Transform Training's every 20 months. Transform Training's advantage is iOS requirement (13.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Transform Training ships an update every 20 months, O2 Renew every 4 weeks. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Transform Training | O2 Renew |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 4 weeks** |
| Size | 52 MB | 122 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Transform Training LLC](https://appshunter.io/developer/1737779037) | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) |

## What reviewers say

### Transform Training

[App page](https://appshunter.io/ios/app/transform-training/id6479989487)

**Features:** macOS Compatibility

**In-app purchases:** none


### O2 Renew

[App page](https://appshunter.io/ios/app/o2-renew/id6784780270)

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

**In-app purchases:** none


## Frequently asked questions

### Is Transform Training free?

Transform Training is free to download, with no in-app purchases.

### Is O2 Renew free?

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

### Do Transform Training or O2 Renew have ads?

Neither Transform Training nor O2 Renew shows ads.

### Which is updated more often, Transform Training or O2 Renew?

Transform Training ships an update every 20 months, and O2 Renew every 4 weeks. Most recently, Transform Training was updated on September 30, 2026 and O2 Renew on October 1, 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.*