# Open Shoulder vs AIRoshi

The clearest difference is in-app purchases: Open Shoulder at none against AIRoshi's 2. Open Shoulder also leads on ads (none vs shown) and update cadence (every 2 months vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. AIRoshi sells 2 in-app purchases, starting at $4.99 per month. Open Shoulder asks for nothing beyond the download.

Open Shoulder ships an update every 2 months, AIRoshi every 4 months. The most recent releases landed on October 2, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Open Shoulder | AIRoshi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 35 MB | 89 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mei Lin Chen](https://appshunter.io/developer/1656873066) | [kota tada](https://appshunter.io/developer/1658942612) |

## What reviewers say

### Open Shoulder

[App page](https://appshunter.io/ios/app/open-shoulder/id1663708137)

**Features:** macOS Compatibility

**In-app purchases:** none


### AIRoshi

[App page](https://appshunter.io/ios/app/airoshi-interactive-train/id6748681589)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free for 1 month | $4.99 | per month |
| Ad-free for 1 year | $29.99 | per year |


## Frequently asked questions

### Is Open Shoulder free?

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

### Is AIRoshi free?

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

### Do Open Shoulder or AIRoshi have ads?

AIRoshi shows ads; Open Shoulder does not.

### Which is updated more often, Open Shoulder or AIRoshi?

Open Shoulder ships an update every 2 months, and AIRoshi every 4 months. Most recently, Open Shoulder was updated on October 2, 2026 and AIRoshi on October 9, 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.*