# Jay Whey vs CoachOS

The clearest difference is in-app purchases: CoachOS at none against Jay Whey's 1. CoachOS also leads on update cadence (every 3 weeks vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Jay Whey sells 1 in-app purchase, starting at $4.99 per month. CoachOS asks for nothing beyond the download.

Jay Whey ships an update every 5 months, CoachOS every 3 weeks. The most recent releases landed on September 8, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Jay Whey | CoachOS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Size | 55 MB | 76 MB |
| Requires iOS | **15.0** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Jan Willem van der klis](https://appshunter.io/developer/1821848206) | [CoachOS Ltd](https://appshunter.io/developer/1883390017) |

## What reviewers say

### Jay Whey

[App page](https://appshunter.io/ios/app/jay-whey/id6747578872)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Jay Whey Coaching | $4.99 | per month |


### CoachOS

[App page](https://appshunter.io/ios/app/coachos-client-training-app/id6760235660)

**In-app purchases:** none


## Frequently asked questions

### Is Jay Whey free?

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

### Is CoachOS free?

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

### Do Jay Whey or CoachOS have ads?

Neither Jay Whey nor CoachOS shows ads.

### Which is updated more often, Jay Whey or CoachOS?

Jay Whey ships an update every 5 months, and CoachOS every 3 weeks. Most recently, Jay Whey was updated on September 8, 2026 and CoachOS on September 13, 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.*