# B3 Runtime vs Move4SCRIIN

The clearest difference is update cadence: B3 Runtime at every 3 weeks against Move4SCRIIN's every 7 months. B3 Runtime also leads on iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

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

B3 Runtime ships an update every 3 weeks, Move4SCRIIN every 7 months. The most recent releases landed on September 17, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | B3 Runtime | Move4SCRIIN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 7 months |
| Size | 44 MB | 59 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [B3 Innovation AB](https://appshunter.io/developer/1736498082) | [SCRIIN](https://appshunter.io/developer/1347553719) |

## What reviewers say

### B3 Runtime

[App page](https://appshunter.io/ios/app/b3-runtime/id6479606796)

**Features:** macOS Compatibility

**In-app purchases:** none


### Move4SCRIIN

[App page](https://appshunter.io/ios/app/move4scriin/id6741825524)

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

**In-app purchases:** none


## Frequently asked questions

### Is B3 Runtime free?

B3 Runtime is free to download, with no in-app purchases.

### Is Move4SCRIIN free?

Move4SCRIIN is free to download, with no in-app purchases.

### Do B3 Runtime or Move4SCRIIN have ads?

Neither B3 Runtime nor Move4SCRIIN shows ads.

### Which is updated more often, B3 Runtime or Move4SCRIIN?

B3 Runtime ships an update every 3 weeks, and Move4SCRIIN every 7 months. Most recently, B3 Runtime was updated on September 17, 2026 and Move4SCRIIN 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.*