# MD Calculator vs ShellShot

The clearest difference is review sentiment: ShellShot at 100% against MD Calculator's 60%. ShellShot also leads on update cadence (every 2 days vs fortnightly). MD Calculator's advantage is iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. MD Calculator sells 1 one-off in-app purchase and ShellShot sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

MD Calculator ships an update fortnightly, ShellShot every 2 days. The most recent releases landed on October 22, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | MD Calculator | ShellShot |
| --- | --- | --- |
| 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 | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 32 MB | 66 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad, Vision Pro** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MD Studio](https://appshunter.io/developer/1438854445) | [Beijing Noncurious Technology Co., Ltd.](https://appshunter.io/developer/1492668005) |

## 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 |


### ShellShot

[App page](https://appshunter.io/ios/app/shellshot-screenshot-studio/id6755234025)

Transform your screenshots into professional visuals with device frames, custom backgrounds, and flexible aspect ratios. Ideal for social media, app store previews, and portfolios, this tool simplifies the creation of polished showcase images without needing complex design software.

**Highlights:** Add real device frames, Customizable backgrounds and gradients, Flexible aspect ratios for social media, Long screenshot support, High-resolution export, Transparent background export

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ShellShot Pro | $2.99 | one-time |


## Frequently asked questions

### Is MD Calculator free?

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

### Is ShellShot free?

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

### Do MD Calculator or ShellShot have ads?

Neither MD Calculator nor ShellShot shows ads.

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

MD Calculator ships an update fortnightly, and ShellShot every 2 days. Most recently, MD Calculator was updated on October 22, 2026 and ShellShot on October 7, 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.*