# OB Scan vs GyH100

The clearest difference is update cadence: OB Scan at fortnightly against GyH100's monthly. GyH100's advantage is iOS requirement (12.0 vs 15.1). 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.

OB Scan ships an update fortnightly, GyH100 monthly. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | OB Scan | GyH100 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Size | 29 MB | 21 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [OBRA BLANCA](https://appshunter.io/developer/1837551961) | [Vertex Business Connections Group LLC](https://appshunter.io/developer/1790513968) |

## What reviewers say

### OB Scan

[App page](https://appshunter.io/ios/app/ob-scan/id1473745199)

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

**In-app purchases:** none


### GyH100

[App page](https://appshunter.io/ios/app/gyh100/id6578457228)

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

**In-app purchases:** none


## Frequently asked questions

### Is OB Scan free?

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

### Is GyH100 free?

GyH100 is free to download, with no in-app purchases.

### Do OB Scan or GyH100 have ads?

Neither OB Scan nor GyH100 shows ads.

### Which is updated more often, OB Scan or GyH100?

OB Scan ships an update fortnightly, and GyH100 monthly. Most recently, OB Scan was updated on October 26, 2026 and GyH100 on October 25, 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.*