# Dozecal vs ThetaCalc

Dozecal and ThetaCalc both sit at 4.2 stars, but that hides the real split: 100% of ThetaCalc's written reviews are positive against 75% of Dozecal's. ThetaCalc also leads on update cadence (every 3 months vs every 10 months). Dozecal's advantage is iOS requirement (12.0 vs 17.6). On price, rating, 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.

On the App Store both sit at effectively the same score — 4.2 for Dozecal against 4.3 for ThetaCalc. Both are backed by a comparable volume of ratings — 5 and 4 respectively. Written reviews are what separate them: 75% of Dozecal's written reviews are positive against 100% of ThetaCalc's.

Dozecal ships an update every 10 months, ThetaCalc every 3 months. The most recent releases landed on October 24, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Dozecal | ThetaCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/dozecal/id1521160089/reviews) | **[4.3 (4 ratings)](https://appshunter.io/ios/app/thetacalc/id1521614636/reviews)** |
| Number of ratings | **5** | 4 |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 27 MB | 1 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Johan Kovacs](https://appshunter.io/developer/1486605020) | [Felix Stehli](https://appshunter.io/developer/1521614638) |

## 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


### ThetaCalc

[App page](https://appshunter.io/ios/app/thetacalc/id1521614636)

This utility app provides a Reverse Polish Notation (RPN) calculator. Users can extend its functionality by programming custom functions and equations using JavaScript.

**Highlights:** Reverse Polish Notation (RPN) calculator, User-programmable functions, JavaScript equation support, Extensible functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dozecal free?

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

### Is ThetaCalc free?

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

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

ThetaCalc is rated higher. Dozecal averages 4.2 out of 5 from 5 ratings, while ThetaCalc averages 4.3 from 4 ratings.

### Do Dozecal or ThetaCalc have ads?

Neither Dozecal nor ThetaCalc shows ads.

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

Dozecal ships an update every 10 months, and ThetaCalc every 3 months. Most recently, Dozecal was updated on October 24, 2026 and ThetaCalc on October 1, 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.*