# MedCalX vs Renal Function Calculator

The clearest difference is in-app purchases: Renal Function Calculator at none against MedCalX's 3. MedCalX's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. MedCalX sells 3 one-off in-app purchases. Renal Function Calculator asks for nothing beyond the download.

## The numbers

| Metric | MedCalX | Renal Function Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (30 ratings)](https://appshunter.io/ios/app/medcalx/id1041464932/reviews)** | — |
| Number of ratings | **30** | — |
| Positive reviews | 45.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 45 MB | 1 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Ossus GmbH](https://appshunter.io/developer/286022405) | [Kunlepaints Ltd](https://appshunter.io/developer/1678007873) |

## 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


### Renal Function Calculator

[App page](https://appshunter.io/ios/app/renal-function-calculator/id6473124962)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MedCalX free?

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

### Is Renal Function Calculator free?

Renal Function Calculator is free to download, with no in-app purchases.

### Do MedCalX or Renal Function Calculator have ads?

Renal Function Calculator shows ads; MedCalX does not.

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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.*