# Calcium Correction vs ABG interpreter

The clearest difference is rating: Calcium Correction at 5.0 against ABG interpreter's 3.0. Calcium Correction also leads on update cadence (every 8 months vs every 19 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Calcium Correction holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 5 and 2 respectively.

Calcium Correction ships an update every 8 months, ABG interpreter every 19 months. The most recent releases landed on June 1, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Calcium Correction | ABG interpreter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/calcium-correction/id1456114059/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/abg-interpreter/id1588117683/reviews) |
| Number of ratings | **5** | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 19 months |
| Monetization | Free | Free |
| Size | 18 MB | 14 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [DOCTOT](https://appshunter.io/developer/351335901) | [Kehinde Yahaya](https://appshunter.io/developer/1588117685) |

## What reviewers say

### Calcium Correction

[App page](https://appshunter.io/ios/app/calcium-correction/id1456114059)

This medical calculator assists endocrinology specialists and general medics in adjusting calcium readings based on albumin levels. It offers a guided 'wizard' format for intuitive use, aiming to improve accuracy, efficiency, and patient safety in assessment and treatment protocols.

**Highlights:** Albumin-based calcium adjustment, Guided 'wizard' format, Patient results management, Data transfer options, Integrated information sections, Touch ID and PIN protection

**Features:** macOS Compatibility

**In-app purchases:** none


### ABG interpreter

[App page](https://appshunter.io/ios/app/abg-interpreter/id1588117683)

This medical app helps healthcare professionals interpret Arterial Blood Gas (ABG) results. It calculates key metrics, suggests differential diagnoses, and provides educational tips. A new quiz feature allows users to test and practice their interpretation skills.

**Highlights:** ABG result interpretation, Delta ratio calculation, Anion gap calculation, Differential diagnosis suggestions, Educational tips and explanations, Input validation, ABG interpretation quiz

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calcium Correction free?

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

### Is ABG interpreter free?

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

### Which has better reviews, Calcium Correction or ABG interpreter?

Calcium Correction is rated higher. Calcium Correction averages 5.0 out of 5 from 5 ratings, while ABG interpreter averages 3.0 from 2 ratings.

### Do Calcium Correction or ABG interpreter have ads?

Neither Calcium Correction nor ABG interpreter shows ads.

### Which is updated more often, Calcium Correction or ABG interpreter?

Calcium Correction ships an update every 8 months, and ABG interpreter every 19 months. Most recently, Calcium Correction was updated on June 1, 2026 and ABG interpreter on June 5, 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.*