# calcDS vs DM50

The clearest difference is price: DM50 at $0.99 against calcDS's $1.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

calcDS costs $1.99 and DM50 $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | calcDS | DM50 |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Monthly |
| Size | 3 MB | 1 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [R.David Sisemore](https://appshunter.io/developer/990115240) | [Javier Bascones](https://appshunter.io/developer/473518239) |

## What reviewers say

### calcDS

[App page](https://appshunter.io/ios/app/calcds/id6470944516)

**Features:** macOS Compatibility

**In-app purchases:** none


### DM50

[App page](https://appshunter.io/ios/app/dm50/id6760961234)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is calcDS free?

calcDS costs $1.99, with no in-app purchases.

### Is DM50 free?

DM50 costs $0.99, with no in-app purchases.

### Do calcDS or DM50 have ads?

Neither calcDS nor DM50 shows ads.

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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.*