# NerdCalc vs Dozecal

The clearest difference is rating: NerdCalc at 4.8 against Dozecal's 4.0. NerdCalc also leads on ratings volume (183 vs 4) and review sentiment (83% vs 75%). Dozecal's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

NerdCalc holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: NerdCalc has 183 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 83% of NerdCalc's written reviews are positive against 75% of Dozecal's.

NerdCalc ships an update every 19 months, Dozecal every 10 months. The most recent releases landed on September 13, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | NerdCalc | Dozecal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (183 ratings)](https://appshunter.io/ios/app/nerdcalc/id432781819/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/dozecal/id1521160089/reviews) |
| Number of ratings | **183** | 4 |
| Positive reviews | **83.3% of reviews** | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 10 months** |
| Monetization | Free | Free |
| Size | 0 MB | 27 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nidal Fakhouri](https://appshunter.io/developer/432780820) | [Johan Kovacs](https://appshunter.io/developer/1486605020) |

## What reviewers say

### NerdCalc

[App page](https://appshunter.io/ios/app/nerdcalc/id432781819)

Perform calculations across binary, hexadecimal, and decimal number bases simultaneously. Easily switch input modes and see results update instantly for all bases. Supports unsigned and 2's complement for negative numbers, along with arithmetic, logic, and bitwise operations.

**Highlights:** Simultaneous base display, Switchable input modes, Unsigned and 2's complement support, Arithmetic operations, Logic operations, Bitwise shifting

**Features:** macOS Compatibility, Vision Pro support

**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 NerdCalc free?

NerdCalc 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, NerdCalc or Dozecal?

NerdCalc is rated higher. NerdCalc averages 4.8 out of 5 from 183 ratings, while Dozecal averages 4.0 from 4 ratings.

### Do NerdCalc or Dozecal have ads?

Neither NerdCalc nor Dozecal shows ads.

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

NerdCalc ships an update every 19 months, and Dozecal every 10 months. Most recently, NerdCalc was updated on September 13, 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.*