# qubeHD7 by SKILLQUBE vs ABG Calculator

The clearest difference is price: qubeHD7 by SKILLQUBE at Free against ABG Calculator's $9.99. ABG Calculator's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 17.5). On update cadence, ads and in-app purchases there is nothing between them.

qubeHD7 by SKILLQUBE is free to download; ABG Calculator costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

qubeHD7 by SKILLQUBE ships an update every 2 months, ABG Calculator every 3 months. Both last shipped on November 4, 2026.

## The numbers

| Metric | qubeHD7 by SKILLQUBE | ABG Calculator |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/abg-calculator/id6743676456/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | — | Paid |
| Size | 179 MB | 8 MB |
| Requires iOS | 17.5 | **11.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SKILLQUBE GmbH](https://appshunter.io/developer/1390516943) | [SAGA Virtual Tecnologia Ltda](https://appshunter.io/developer/1455930511) |

## What reviewers say

### qubeHD7 by SKILLQUBE

[App page](https://appshunter.io/ios/app/qubehd7-by-skillqube/id6739034564)

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

**In-app purchases:** none


### ABG Calculator

[App page](https://appshunter.io/ios/app/abg-calculator/id6743676456)

This medical tool quickly analyzes arterial blood gas results for healthcare professionals. It calculates acid-base status, anion gap, and compensation, offering comprehensive diagnoses offline. Save and share patient results for efficient clinical decision-making.

**Highlights:** Offline arterial blood gas analysis, Instant acid-base disorder determination, Anion gap and compensation assessment, Flexible unit options, Save and share patient results, Results history and search

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

**In-app purchases:** none


## Frequently asked questions

### Is qubeHD7 by SKILLQUBE free?

qubeHD7 by SKILLQUBE is free to download, with no in-app purchases.

### Is ABG Calculator free?

ABG Calculator costs $9.99, with no in-app purchases.

### Do qubeHD7 by SKILLQUBE or ABG Calculator have ads?

Neither qubeHD7 by SKILLQUBE nor ABG Calculator shows ads.

### Which is updated more often, qubeHD7 by SKILLQUBE or ABG Calculator?

qubeHD7 by SKILLQUBE ships an update every 2 months, and ABG Calculator every 3 months. Most recently, qubeHD7 by SKILLQUBE was updated on November 4, 2026 and ABG Calculator on November 4, 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.*