# Calculator Pro basic vs CalculatorDU

The clearest difference is in-app purchases: Calculator Pro basic at none against CalculatorDU's 1. Calculator Pro basic also leads on ads (none vs shown) and rating (5.0 vs 4.7). CalculatorDU's advantage is ratings volume (15 vs 1). On price and device support there is nothing between them.

Both are free to download. CalculatorDU sells 1 one-off in-app purchase. Calculator Pro basic asks for nothing beyond the download.

Calculator Pro basic holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: CalculatorDU has 15 ratings behind it against 1, so its average is the more settled of the two.

Calculator Pro basic ships an update every 3 weeks, CalculatorDU every 2 months. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Calculator Pro basic | CalculatorDU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calculator-pro-basic/id1042600645/reviews)** | [4.7 (15 ratings)](https://appshunter.io/ios/app/calculatordu-for-daily-use/id1523401381/reviews) |
| Number of ratings | 1 | **15** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 7 MB | 87 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kenichi Yoshikawa](https://appshunter.io/developer/954163256) | [HappyCode Lab](https://appshunter.io/developer/6793409707) |

## What reviewers say

### Calculator Pro basic

[App page](https://appshunter.io/ios/app/calculator-pro-basic/id1042600645)

This calculator app allows extensive customization of its appearance and button functions. Users can personalize wallpapers, button shapes, colors, and even the position of function buttons. It supports various calculation methods and display modes for a tailored user experience.

**Highlights:** Customizable button shapes, colors, and positions, Set custom wallpaper backgrounds, Multiple calculation methods and rounding modes, Adjustable decimal places and angle units, History log with display options, Supports portrait and landscape modes

**Features:** macOS Compatibility

**In-app purchases:** none


### CalculatorDU

[App page](https://appshunter.io/ios/app/calculatordu-for-daily-use/id1523401381)

This utility app offers a straightforward calculator for daily use. It supports basic arithmetic, value storage, and calculation verification. Customize display formats and symbols for a personalized experience.

**Highlights:** Basic arithmetic operations, Value storage and retrieval, Calculation verification, Copy and paste functionality, Customizable numerical display, Portrait and landscape modes

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hide ads | $2.99 | one-time |


## Frequently asked questions

### Is Calculator Pro basic free?

Calculator Pro basic is free to download, with no in-app purchases.

### Is CalculatorDU free?

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

### Which has better reviews, Calculator Pro basic or CalculatorDU?

Calculator Pro basic is rated higher. Calculator Pro basic averages 5.0 out of 5 from 1 ratings, while CalculatorDU averages 4.7 from 15 ratings.

### Do Calculator Pro basic or CalculatorDU have ads?

CalculatorDU shows ads; Calculator Pro basic does not.

### Which is updated more often, Calculator Pro basic or CalculatorDU?

Calculator Pro basic ships an update every 3 weeks, and CalculatorDU every 2 months. Most recently, Calculator Pro basic was updated on October 24, 2026 and CalculatorDU on October 21, 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.*