# SD401 vs ScanBridge

The clearest difference is iOS requirement: ScanBridge at 13.0 against SD401's 15.5. On price, update cadence, ads 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.

SD401 ships an update every 5 months, ScanBridge every 3 months. The most recent releases landed on October 9, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | SD401 | ScanBridge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Size | 25 MB | 28 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Owen Brown](https://appshunter.io/developer/979499266) | [Unitech Electronics Co., Ltd.,](https://appshunter.io/developer/923825884) |

## What reviewers say

### SD401

[App page](https://appshunter.io/ios/app/sd401/id979499267)

**Features:** macOS Compatibility

**In-app purchases:** none


### ScanBridge

[App page](https://appshunter.io/ios/app/scanbridge/id6449560410)

**In-app purchases:** none


## Frequently asked questions

### Is SD401 free?

SD401 is free to download, with no in-app purchases.

### Is ScanBridge free?

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

### Do SD401 or ScanBridge have ads?

Neither SD401 nor ScanBridge shows ads.

### Which is updated more often, SD401 or ScanBridge?

SD401 ships an update every 5 months, and ScanBridge every 3 months. Most recently, SD401 was updated on October 9, 2026 and ScanBridge on October 10, 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.*