# Dozecal vs Binary Calculator SDG

The clearest difference is ads: Dozecal at none against Binary Calculator SDG's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

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

Dozecal ships an update every 10 months, Binary Calculator SDG every 12 months. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Dozecal | Binary Calculator SDG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/dozecal/id1521160089/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 10 months** | Every 12 months |
| Monetization | Free | — |
| Size | 27 MB | 12 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Johan Kovacs](https://appshunter.io/developer/1486605020) | [SDG CODE DOO NIS](https://appshunter.io/developer/1343251532) |

## What reviewers say

### 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


### Binary Calculator SDG

[App page](https://appshunter.io/ios/app/binary-calculator-sdg/id6741471372)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dozecal free?

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

### Is Binary Calculator SDG free?

Binary Calculator SDG is free to download, with no in-app purchases.

### Do Dozecal or Binary Calculator SDG have ads?

Binary Calculator SDG shows ads; Dozecal does not.

### Which is updated more often, Dozecal or Binary Calculator SDG?

Dozecal ships an update every 10 months, and Binary Calculator SDG every 12 months. Most recently, Dozecal was updated on October 2, 2026 and Binary Calculator SDG on October 10, 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.*