# Calculator Quick vs Duodecuple Calc

The clearest difference is in-app purchases: Duodecuple Calc at none against Calculator Quick's 2. Duodecuple Calc also leads on update cadence (every 2 weeks vs every 5 weeks). Calculator Quick's advantage is ads (none vs shown) and iOS requirement (12.0 vs 15.8.3). On price and device support there is nothing between them.

Both are free to download. Calculator Quick sells 2 in-app purchases, starting at $4.49 per year. Duodecuple Calc asks for nothing beyond the download.

Calculator Quick ships an update every 5 weeks, Duodecuple Calc every 2 weeks. The most recent releases landed on October 17, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Calculator Quick | Duodecuple Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (7 ratings)](https://appshunter.io/ios/app/calculator-quick/id1460544707/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 36 MB |
| Requires iOS | **12.0** | 15.8.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Brown Bear Technology Co., LTD](https://appshunter.io/developer/480204138) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Calculator Quick

[App page](https://appshunter.io/ios/app/calculator-quick/id1460544707)

This utility app provides a swift and efficient way to perform calculations. It allows users to view and edit arithmetic formulas, and export or share their calculation history.

**Highlights:** Fast and efficient calculations, View and edit arithmetic formulas, Export calculation history, Share calculation history, Formula editing

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calculator Quick Member | $4.49 | per year |
| ProVersion | $3.99 | one-time |


### Duodecuple Calc

[App page](https://appshunter.io/ios/app/duodecuple-calc/id6742208421)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator Quick free?

Calculator Quick is free to download, with in-app purchases available.

### Is Duodecuple Calc free?

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

### Do Calculator Quick or Duodecuple Calc have ads?

Duodecuple Calc shows ads; Calculator Quick does not.

### Which is updated more often, Calculator Quick or Duodecuple Calc?

Calculator Quick ships an update every 5 weeks, and Duodecuple Calc every 2 weeks. Most recently, Calculator Quick was updated on October 17, 2026 and Duodecuple Calc 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.*