# The iCalculator vs Duoza

The clearest difference is price: Duoza at Free against The iCalculator's $0.99. Duoza also leads on update cadence (fortnightly vs every 76 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Duoza is free to download; The iCalculator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

The iCalculator ships an update every 76 months, Duoza fortnightly. The most recent releases landed on October 16, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | The iCalculator | Duoza |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/the-icalculator/id848344558/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 76 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 12 MB | 7 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HELM Coders LLC](https://appshunter.io/developer/825880796) | [耀 何](https://appshunter.io/developer/1896515984) |

## What reviewers say

### The iCalculator

[App page](https://appshunter.io/ios/app/the-icalculator/id848344558)

A calculator app designed to offer a superior user experience compared to standard device calculators. It aims to provide the functionality and interface that users expect from a modern calculation tool.

**Highlights:** Intuitive user interface, Enhanced calculation functionality, Designed for iOS devices, Free to download and use

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

**In-app purchases:** none


### Duoza

[App page](https://appshunter.io/ios/app/duoza/id6771247273)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is The iCalculator free?

The iCalculator costs $0.99, with no in-app purchases.

### Is Duoza free?

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

### Do The iCalculator or Duoza have ads?

Neither The iCalculator nor Duoza shows ads.

### Which is updated more often, The iCalculator or Duoza?

The iCalculator ships an update every 76 months, and Duoza fortnightly. Most recently, The iCalculator was updated on October 16, 2026 and Duoza on October 5, 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.*