# CMCalc vs KeyCalc

The clearest difference is rating: KeyCalc at 5.0 against CMCalc's 4.6. KeyCalc also leads on review sentiment (100% vs 75%). CMCalc's advantage is ratings volume (7 vs 2) and iOS requirement (12.0 vs 18.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

KeyCalc holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 7 and 2 respectively. Written reviews point the same way: 75% of CMCalc's written reviews are positive against 100% of KeyCalc's.

## The numbers

| Metric | CMCalc | KeyCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (7 ratings)](https://appshunter.io/ios/app/cmcalc/id974432836/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/keycalc-retro-calculator/id6742797760/reviews)** |
| Number of ratings | **7** | 2 |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 45 months | — |
| Monetization | Free | Free |
| Size | 4 MB | 23 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [William David](https://appshunter.io/developer/974432835) | [Wayne Dahlberg](https://appshunter.io/developer/398086194) |

## 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


### KeyCalc

[App page](https://appshunter.io/ios/app/keycalc-retro-calculator/id6742797760)

This calculator app offers a fun, retro-style interface inspired by mechanical keyboards and vintage LED displays. It provides a simple and enjoyable user experience for everyday calculations.

**Highlights:** Retro calculator design, Mechanical keyboard inspiration, Vintage LED display aesthetic, Simple and fun interface, Basic calculation functions

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CMCalc free?

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

### Is KeyCalc free?

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

### Which has better reviews, CMCalc or KeyCalc?

KeyCalc is rated higher. CMCalc averages 4.6 out of 5 from 7 ratings, while KeyCalc averages 5.0 from 2 ratings.

### Do CMCalc or KeyCalc have ads?

Neither CMCalc nor KeyCalc 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.*