# iDeveloper vs Dozecal

The clearest difference is price: Dozecal at Free against iDeveloper's $0.29. Dozecal also leads on iOS requirement (12.0 vs 17.0). iDeveloper's advantage is update cadence (weekly vs every 10 months). On ads, in-app purchases and device support there is nothing between them.

Dozecal is free to download; iDeveloper costs $0.29 up front. Neither carries in-app purchases, so what you see is what you pay.

iDeveloper ships an update weekly, Dozecal every 10 months. Both last shipped on October 29, 2026.

## The numbers

| Metric | iDeveloper | Dozecal |
| --- | --- | --- |
| Price | $0.29 | **Free** |
| Rating | — | **[4.2 (5 ratings)](https://appshunter.io/ios/app/dozecal/id1521160089/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 months |
| Monetization | — | Free |
| Size | 14 MB | 27 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [天从 何](https://appshunter.io/developer/914453386) | [Johan Kovacs](https://appshunter.io/developer/1486605020) |

## What reviewers say

### iDeveloper

[App page](https://appshunter.io/ios/app/ideveloper-190-plus-tools/id1240856775)

**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 iDeveloper free?

iDeveloper costs $0.29, with no in-app purchases.

### Is Dozecal free?

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

### Do iDeveloper or Dozecal have ads?

Neither iDeveloper nor Dozecal shows ads.

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

iDeveloper ships an update weekly, and Dozecal every 10 months. Most recently, iDeveloper was updated on October 29, 2026 and Dozecal on October 29, 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.*