# MedCalX vs Complete ABG Analysis

The clearest difference is in-app purchases: Complete ABG Analysis at none against MedCalX's 3. Complete ABG Analysis also leads on update cadence (monthly vs every 5 months) and rating (4.0 vs 3.8). MedCalX's advantage is ads (none vs shown) and ratings volume (31 vs 1). On price and device support there is nothing between them.

Both are free to download. MedCalX sells 3 one-off in-app purchases. Complete ABG Analysis asks for nothing beyond the download.

Complete ABG Analysis holds the better App Store score, 4.0 against 3.8. That said, the two scores are not equally well evidenced: MedCalX has 31 ratings behind it against 1, so its average is the more settled of the two.

MedCalX ships an update every 5 months, Complete ABG Analysis monthly. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | MedCalX | Complete ABG Analysis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (31 ratings)](https://appshunter.io/ios/app/medcalx/id1041464932/reviews) | **[4.0 (1 ratings)](https://appshunter.io/ios/app/complete-abg-analysis/id1576037022/reviews)** |
| Number of ratings | **31** | 1 |
| Positive reviews | 45.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 45 MB | 36 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [Ossus GmbH](https://appshunter.io/developer/286022405) | [Putu Angga Risky Raharja](https://appshunter.io/developer/1164107753) |

## What reviewers say

### MedCalX

[App page](https://appshunter.io/ios/app/medcalx/id1041464932)

This medical calculator app provides healthcare professionals with a comprehensive tool for complex medical formulas, scores, and classifications. It offers an extensive library of over 300 medical calculations, patient management features, and sharing capabilities.

**Highlights:** Extensive medical formula library (300+), Patient management and data saving, Customizable workflows, Multiple result sharing options, Detailed information and references, US and SI unit support, iCloud synchronization for favorites

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MedCalc 3 Upgrade | Free | one-time |
| Doximity Registration | Free | one-time |
| MedCalX Unlock | $4.99 | one-time |

**What reviewers like**

- 👍 Intuitive and user-friendly interface
- 📱 Comprehensive collection of medical formulas and scores
- 🚀 Fast calculations and quick access
- 📚 Includes PubMed links and background information
- 🌍 Multi-language support

**What reviewers complain about**

- 💰 Paywalls for previously free calculators
- 🔄 Forced paid upgrades for existing users
- ❌ Missing many important medical scores
- ⏱️ Infrequent updates and maintenance
- 🐛 Frequent crashes and stability issues

**Reported bugs**

- App crashes on startup
- App crashes when taking patient photos
- App fails to open or becomes unresponsive
- Unable to restore previous purchases
- Doximity unlock feature not working

**Requested features**

- SCORE2 and other modern cardiovascular risk scores
- TRiP(cast) score
- Valve disease calculations
- Pediatric medication dosing calculators
- Electrolyte and fluid replacement calculations


### 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 MedCalX free?

MedCalX is free to download, with in-app purchases available.

### Is Complete ABG Analysis free?

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

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

Complete ABG Analysis is rated higher. MedCalX averages 3.8 out of 5 from 31 ratings, while Complete ABG Analysis averages 4.0 from 1 ratings.

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

Complete ABG Analysis shows ads; MedCalX does not.

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

MedCalX ships an update every 5 months, and Complete ABG Analysis monthly. Most recently, MedCalX was updated on October 24, 2026 and Complete ABG Analysis on October 17, 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.*