# CMCalc vs calcDS

The clearest difference is price: CMCalc at Free against calcDS's $1.99. CMCalc also leads on iOS requirement (12.0 vs 14.0). On ads, in-app purchases and device support there is nothing between them.

CMCalc is free to download; calcDS costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | CMCalc | calcDS |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.5 (6 ratings)](https://appshunter.io/ios/app/cmcalc/id974432836/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 45 months | — |
| Monetization | Free | — |
| Size | 4 MB | 3 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [William David](https://appshunter.io/developer/974432835) | [R.David Sisemore](https://appshunter.io/developer/990115240) |

## What reviewers say

### CMCalc

[App page](https://appshunter.io/ios/app/cmcalc/id974432836)

This app emulates a classic 1980s computer math calculator, offering decimal arithmetic, binary conversions, and logic functions. It supports parentheses for complex calculations and includes modern features like copy/paste and landscape mode.

**Highlights:** Decimal arithmetic, Binary conversions (decimal, binary, octal, hexadecimal), Binary logic functions, Operator grouping with parentheses, Hexadecimal input (A-F), Copy and paste results/functions, Landscape mode

**Features:** macOS Compatibility

**In-app purchases:** none


### calcDS

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CMCalc free?

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

### Is calcDS free?

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

### Do CMCalc or calcDS have ads?

Neither CMCalc nor calcDS 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.*