# Complete ABG vs ABG Pro DDx

The clearest difference is update cadence: Complete ABG at every 3 weeks against ABG Pro DDx's every 20 months. Complete ABG also leads on iOS requirement (9.0 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.

Complete ABG ships an update every 3 weeks, ABG Pro DDx every 20 months. The most recent releases landed on October 21, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Complete ABG | ABG Pro DDx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/complete-abg/id993718869/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 20 months |
| Monetization | Free | — |
| Size | 45 MB | 6 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Satish Deopujari](https://appshunter.io/developer/1180072702) | [GDA Software](https://appshunter.io/developer/493839619) |

## What reviewers say

### Complete ABG

[App page](https://appshunter.io/ios/app/complete-abg/id993718869)

This medical app simplifies Arterial Blood Gas (ABG) diagnosis by focusing on the Henderson-Hasselbalch equation. It offers bedside interpretation, extended analysis with various gap calculations, and a flowchart for diagnostic approaches.

**Highlights:** Bedside ABG interpretation, Extended ABG analysis, Anion gap calculation, Delta Delta gap calculation, Osmolar gap calculation, Flowchart diagnostic algorithm

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### ABG Pro DDx

[App page](https://appshunter.io/ios/app/abg-pro-ddx/id6450242800)

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

**In-app purchases:** none


## Frequently asked questions

### Is Complete ABG free?

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

### Is ABG Pro DDx free?

ABG Pro DDx is free to download, with no in-app purchases.

### Do Complete ABG or ABG Pro DDx have ads?

Neither Complete ABG nor ABG Pro DDx shows ads.

### Which is updated more often, Complete ABG or ABG Pro DDx?

Complete ABG ships an update every 3 weeks, and ABG Pro DDx every 20 months. Most recently, Complete ABG was updated on October 21, 2026 and ABG Pro DDx on October 27, 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.*