# Coach JF vs Optishake Backstage

The clearest difference is device support: Optishake Backstage at 2 against Coach JF's —. Coach JF's advantage is iOS requirement (12.0 vs 15.1). On price and in-app purchases there is nothing between them.

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

## The numbers

| Metric | Coach JF | Optishake Backstage |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Size | 100 MB | 32 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | — | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Anders Lundgren](https://appshunter.io/developer/1662853474) | [Optishake](https://appshunter.io/developer/6799356007) |

## What reviewers say

### Coach JF

[App page](https://appshunter.io/ios/app/coach-jf/id6742437175)

**In-app purchases:** none


### Optishake Backstage

[App page](https://appshunter.io/ios/app/optishake-backstage/id6799356005)

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

**In-app purchases:** none


## Frequently asked questions

### Is Coach JF free?

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

### Is Optishake Backstage free?

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

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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.*