# Doctor ABG Scanner vs QUADRANT

The clearest difference is update cadence: QUADRANT at every 3 days against Doctor ABG Scanner's every 3 weeks. Doctor ABG Scanner's advantage is iOS requirement (12.0 vs 15.0). 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.

Doctor ABG Scanner ships an update every 3 weeks, QUADRANT every 3 days. The most recent releases landed on October 28, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Doctor ABG Scanner | QUADRANT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 93 MB | 34 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [ZOOP ONLINE (PTY) LTD](https://appshunter.io/developer/1822994840) | [SEEK IDENTIFY LEVERAGE OPTIMISE PTY LTD](https://appshunter.io/developer/1807988594) |

## What reviewers say

### Doctor ABG Scanner

[App page](https://appshunter.io/ios/app/doctor-abg-scanner/id6747819938)

**Features:** macOS Compatibility

**In-app purchases:** none


### QUADRANT

[App page](https://appshunter.io/ios/app/quadrant/id6749378187)

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

**In-app purchases:** none


## Frequently asked questions

### Is Doctor ABG Scanner free?

Doctor ABG Scanner is free to download, with no in-app purchases.

### Is QUADRANT free?

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

### Do Doctor ABG Scanner or QUADRANT have ads?

Neither Doctor ABG Scanner nor QUADRANT shows ads.

### Which is updated more often, Doctor ABG Scanner or QUADRANT?

Doctor ABG Scanner ships an update every 3 weeks, and QUADRANT every 3 days. Most recently, Doctor ABG Scanner was updated on October 28, 2026 and QUADRANT on October 15, 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.*