# MD Calculator vs Kolasky

The clearest difference is in-app purchases: Kolasky at none against MD Calculator's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. MD Calculator sells 1 one-off in-app purchase. Kolasky asks for nothing beyond the download.

MD Calculator ships an update fortnightly, Kolasky weekly. The most recent releases landed on October 22, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | MD Calculator | Kolasky |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (79 ratings)](https://appshunter.io/ios/app/md-calculator/id6463897900/reviews)** | — |
| Number of ratings | **79** | — |
| Positive reviews | 59.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 32 MB | 13 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad, Vision Pro | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [MD Studio](https://appshunter.io/developer/1438854445) | [琪 祁](https://appshunter.io/developer/1826798628) |

## What reviewers say

### 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 |


### Kolasky

[App page](https://appshunter.io/ios/app/kolasky/id6774498814)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MD Calculator free?

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

### Is Kolasky free?

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

### Do MD Calculator or Kolasky have ads?

Neither MD Calculator nor Kolasky shows ads.

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

MD Calculator ships an update fortnightly, and Kolasky weekly. Most recently, MD Calculator was updated on October 22, 2026 and Kolasky on October 19, 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.*