# OTC vs Optimal Performance Centre

The clearest difference is in-app purchases: Optimal Performance Centre at none against OTC's 1. OTC's advantage is update cadence (monthly vs every 9 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. OTC sells 1 in-app purchase, starting at $150.00 per month. Optimal Performance Centre asks for nothing beyond the download.

OTC ships an update monthly, Optimal Performance Centre every 9 months. The most recent releases landed on February 27, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | OTC | Optimal Performance Centre |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 9 months |
| Size | 43 MB | 56 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [jack ramwell](https://appshunter.io/developer/1722647860) | [TeamUp Sports](https://appshunter.io/developer/1449504626) |

## What reviewers say

### OTC

[App page](https://appshunter.io/ios/app/otc/id6474874745)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $150.00 | per month |


### Optimal Performance Centre

[App page](https://appshunter.io/ios/app/optimal-performance-centre/id6749743972)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OTC free?

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

### Is Optimal Performance Centre free?

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

### Do OTC or Optimal Performance Centre have ads?

Neither OTC nor Optimal Performance Centre shows ads.

### Which is updated more often, OTC or Optimal Performance Centre?

OTC ships an update monthly, and Optimal Performance Centre every 9 months. Most recently, OTC was updated on February 27, 2026 and Optimal Performance Centre on September 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*