# ABG Expert vs Complete ABG Analysis

The clearest difference is rating: ABG Expert at 4.8 against Complete ABG Analysis's 4.0. ABG Expert also leads on ads (none vs shown) and monetization model (free vs ad-supported). Complete ABG Analysis's advantage is update cadence (monthly vs every 5 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ABG Expert holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: ABG Expert has 9 ratings behind it against 1, so its average is the more settled of the two.

ABG Expert ships an update every 5 months, Complete ABG Analysis monthly. The most recent releases landed on June 9, 2026 and August 20, 2026 respectively.

## The numbers

| Metric | ABG Expert | Complete ABG Analysis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (9 ratings)](https://appshunter.io/ios/app/abg-expert/id885575488/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/complete-abg-analysis/id1576037022/reviews) |
| Number of ratings | **9** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | **Free** | Ad-supported |
| Size | 2 MB | 36 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Brian Dale Vander Werf MD Inc](https://appshunter.io/developer/1521935908) | [Putu Angga Risky Raharja](https://appshunter.io/developer/1164107753) |

## What reviewers say

### ABG Expert

[App page](https://appshunter.io/ios/app/abg-expert/id885575488)

This medical tool provides accurate and flexible acid-base analysis for healthcare professionals. It offers detailed explanations, customizable ranges, and advanced features like anion gap correction and A-a gradient adjustments for various patient conditions and locations.

**Highlights:** Validated accuracy with real-world testing, Plausibility checks for physiologically impossible data, Automatic anion gap correction with albumin, Detailed explanations with equations, Separate or combined analysis of ABG, anion gap, A-a gradient, Customizable normal ranges for anion gap and delta gap, Age and barometric pressure adjustments for A-a gradient, Support for SI and non-SI units, Color-coded results and differential diagnoses, Adjustments for chronic respiratory conditions

**Features:** macOS Compatibility

**In-app purchases:** none


### Complete ABG Analysis

[App page](https://appshunter.io/ios/app/complete-abg-analysis/id1576037022)

This app analyzes arterial blood gas (ABG) results to identify acid-base imbalances. It helps determine acidosis or alkalosis, their respiratory or metabolic origins, and expected compensation. It's a useful tool for health professionals in clinical settings.

**Highlights:** Analyze ABG results, Determine acidosis/alkalosis, Identify respiratory/metabolic origin, Calculate expected compensation, Provide normal value reference, Basic and advanced analysis modes

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

**In-app purchases:** none


## Frequently asked questions

### Is ABG Expert free?

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

### Is Complete ABG Analysis free?

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

### Which has better reviews, ABG Expert or Complete ABG Analysis?

ABG Expert is rated higher. ABG Expert averages 4.8 out of 5 from 9 ratings, while Complete ABG Analysis averages 4.0 from 1 ratings.

### Do ABG Expert or Complete ABG Analysis have ads?

Complete ABG Analysis shows ads; ABG Expert does not.

### Which is updated more often, ABG Expert or Complete ABG Analysis?

ABG Expert ships an update every 5 months, and Complete ABG Analysis monthly. Most recently, ABG Expert was updated on June 9, 2026 and Complete ABG Analysis on August 20, 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.*