# O2 Renew vs Optimal Performance

O2 Renew and Optimal Performance are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

O2 Renew ships an update every 4 weeks, Optimal Performance every 3 weeks. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | O2 Renew | Optimal Performance |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Size | 122 MB | 31 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) | [MMNT Inc](https://appshunter.io/developer/1662354192) |

## What reviewers say

### O2 Renew

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

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

**In-app purchases:** none


### Optimal Performance

[App page](https://appshunter.io/ios/app/optimal-performance/id6794271670)

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

**In-app purchases:** none


## Frequently asked questions

### Is O2 Renew free?

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

### Is Optimal Performance free?

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

### Do O2 Renew or Optimal Performance have ads?

Neither O2 Renew nor Optimal Performance shows ads.

### Which is updated more often, O2 Renew or Optimal Performance?

O2 Renew ships an update every 4 weeks, and Optimal Performance every 3 weeks. Most recently, O2 Renew was updated on October 24, 2026 and Optimal Performance on October 18, 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.*