# CMCalc vs Dozecal

The clearest difference is rating: CMCalc at 4.5 against Dozecal's 4.0. Dozecal's advantage is update cadence (every 10 months vs every 45 months). On price, review sentiment, ratings volume and ads there is nothing between them.

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

CMCalc holds the better App Store score, 4.5 against 4.0. Both are backed by a comparable volume of ratings — 6 and 4 respectively. Written reviews split almost evenly too, at 75% and 75% positive.

CMCalc ships an update every 45 months, Dozecal every 10 months. The most recent releases landed on September 7, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | CMCalc | Dozecal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (6 ratings)](https://appshunter.io/ios/app/cmcalc/id974432836/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/dozecal/id1521160089/reviews) |
| Number of ratings | **6** | 4 |
| Positive reviews | 75.0% of reviews | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 45 months | **Every 10 months** |
| Monetization | Free | Free |
| Size | 4 MB | 27 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [William David](https://appshunter.io/developer/974432835) | [Johan Kovacs](https://appshunter.io/developer/1486605020) |

## 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


### Dozecal

[App page](https://appshunter.io/ios/app/dozecal/id1521160089)

This educational calculator promotes the use of Base Twelve (duodecimal) in math and science. It offers standard mathematical functions in both duodecimal and decimal modes, with automatic conversion between them. It utilizes Reverse Polish Notation (RPN) for calculations.

**Highlights:** Duodecimal and Decimal modes, Automatic mode conversion, RPN (Reverse Polish Notation) input, Standard math functions, Trigonometric operations (degrees), Educational tool for Base Twelve

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CMCalc free?

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

### Is Dozecal free?

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

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

CMCalc is rated higher. CMCalc averages 4.5 out of 5 from 6 ratings, while Dozecal averages 4.0 from 4 ratings.

### Do CMCalc or Dozecal have ads?

Neither CMCalc nor Dozecal shows ads.

### Which is updated more often, CMCalc or Dozecal?

CMCalc ships an update every 45 months, and Dozecal every 10 months. Most recently, CMCalc was updated on September 7, 2026 and Dozecal on June 4, 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.*