# ExtCalc vs MD Calculator

The clearest difference is review sentiment: MD Calculator at 60% against ExtCalc's 0%. MD Calculator also leads on update cadence (fortnightly vs every 5 months). ExtCalc's advantage is device support (6 vs 3). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. ExtCalc sells 2 in-app purchases, starting at $4.99 per year and MD Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ExtCalc ships an update every 5 months, MD Calculator fortnightly. The most recent releases landed on September 9, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | ExtCalc | MD Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (78 ratings)](https://appshunter.io/ios/app/md-calculator/id6463897900/reviews)** |
| Number of ratings | — | **78** |
| Positive reviews | 0.0% of reviews | **59.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 7 MB | 32 MB |
| Requires iOS | 18.7 | **17.0** |
| Devices | **iPhone, iPad, Mac, Apple TV, Apple Watch, Vision Pro** | iPhone, iPad, Vision Pro |
| Age rating | 4+ | 4+ |
| Developer | [Matthias Weber](https://appshunter.io/developer/386132193) | [MD Studio](https://appshunter.io/developer/1438854445) |

## What reviewers say

### ExtCalc

[App page](https://appshunter.io/ios/app/extcalc/id386132190)

This scientific calculator offers a colorized text view for formulas, allowing for individual calculation sheets and easy memorization of results. It features a customizable constants pool, VAT calculator, and cloud synchronization for seamless use across devices. Accessibility and team collaboration are also emphasized.

**Highlights:** Colorized formula view, Individual calculation sheets, Memorize results, Customizable constants pool, VAT calculator, Cloud synchronization, Apple Watch app

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Subscription | $4.99 | per year |
| Printing | $0.99 | one-time |


### MD Calculator

[App page](https://appshunter.io/ios/app/md-calculator/id6463897900)

Perform calculations directly from your Home Screen using interactive widgets. Customize your experience with a variety of themes, including nostalgic skeuomorphic designs.

**Highlights:** Home Screen Calculator Widget, iOS 17 Interactive Widget Technology, Customizable Themes, Skeuomorphic Themes, On-the-go Computations

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MD Calculator Premium | $0.99 | one-time |


## Frequently asked questions

### Is ExtCalc free?

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

### Is MD Calculator free?

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

### Do ExtCalc or MD Calculator have ads?

Neither ExtCalc nor MD Calculator shows ads.

### Which is updated more often, ExtCalc or MD Calculator?

ExtCalc ships an update every 5 months, and MD Calculator fortnightly. Most recently, ExtCalc was updated on September 9, 2026 and MD Calculator on September 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*