# Pocket Calculator Woo-Dentaku — Simple & customizable calc.

> Simple, customizable calculator with Apple Watch sync and tax/tip functions. (iPhone/iPad app by ITO SOFT DESIGN Inc..)

- Source: https://appshunter.io/ios/app/pocket-calculator-woo-dentaku/id1066349667 (this page in markdown: same URL + `.md`)
- Developer: [ITO SOFT DESIGN Inc.](https://appshunter.io/developer/311313017)
- Category: Utilities, Lifestyle
- Price: Free with in-app purchases
- Rating: 3.40/5 from 5 App Store ratings
- Age rating: 4+
- Requires: iOS 13.4 · 24 MB
- Languages: English, Japanese, Korean, Chinese, Chinese
- Released: 2016-01-22
- Data updated: 2026-06-10
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/pocket-calculator-woo-dentaku/id1066349667/reviews.md

## What is Pocket Calculator Woo?

The pocket calculator Woo Dentaku is a simple calculator.
It can share calculations between iOS device and Apple Watch.
It handles two sales tax rates and two tip rates.
And you can customize key assign.
All settings for Apple Watch can be changed easily with iPhone.
All features are available as a free trial. Afterward, unlock the app via in-app purchase.

Function
- Basic four arithmetic operation functions
- Theme color (default, monochrome, red, blue, yellow)
- Display of input formula
- Constant calculation
- GT (grand total) function
- Landscape display is available for iPhone 6/7/8 Plus, iPad
- Memory function
- Max 24 significant digits
  - Choose from 8, 10, 12, 16, 20, 24.
- Tax included calculated without tax
- Chip calculation
- Customizable key assigns
- Customizable key bindings between keyboard keys and calculator keys

Apple Watch
- Various key arrangements
  - 3 x 5 and 3 x 4, 3 x 3, 2 x 2 key arrangement can be selected
  - Arrangement for the right hand then left hand
- Quick page move
  - It is divided into multiple pages,
    Paging can be swiftly done with swipe and digital crown
  - Move to numeric input page automatically by inputting operator etc.

## Key features

- Basic arithmetic operations
- Customizable key assignments
- Sales tax and tip calculation
- Apple Watch integration
- Theme color customization
- Display of input formula
- Memory function

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Full-time access | $1.99 | one-time |
| Hide the ad banner. | $1.99 | one-time |
| Unlock restrictions of watch | $1.99 | one-time |
| Unlock all restrictions | $3.99 | one-time |
| Unlock key assignment | $1.99 | one-time |
| Upgrad:Unlock all restrictions | $1.99 | one-time |
| Unlock time limitations | $1.99 | one-time |



## Frequently asked questions about Pocket Calculator Woo

### What is the short name for Pocket Calculator Woo-Dentaku?

The short name for Pocket Calculator Woo-Dentaku is Woo-Dentaku. This is derived from the full name by removing the subtitle and any punctuation.

### How much does Woo-Dentaku cost?

Woo-Dentaku is free to download and use with a free trial. After the trial, all features can be unlocked via an in-app purchase.

### Does Woo-Dentaku have ads?

No, Woo-Dentaku does not contain advertisements. The app is free to download and offers an in-app purchase to unlock all features.

### What devices does Woo-Dentaku support?

Woo-Dentaku supports a wide range of Apple devices, including Apple TV, Apple Watch, iPhone, iPad, and iPod.

### How often is Woo-Dentaku updated?

Woo-Dentaku was last updated on October 19, 2020, with version 2.2.2. The release date was January 22, 2016.

### What is the age rating for Woo-Dentaku?

Woo-Dentaku has an age rating of 4+. This indicates it is suitable for children aged 4 and older.

### Can I customize the keys in Woo-Dentaku?

Yes, Woo-Dentaku allows you to customize key assignments and key bindings between keyboard keys and calculator keys. This includes various key arrangements for Apple Watch.

### What is the user sentiment for Woo-Dentaku based on its rating?

Woo-Dentaku has an average rating of 3.4 stars from 5 ratings. This suggests a mixed user sentiment, with some users finding it satisfactory and others potentially having issues or preferences not met.

## Version history (last 5 releases)

### 2.2.2 — 2020-10-19

- iOS 14 Compatibility
- Fixed some calculation bugs

### 2.2.1 — 2020-10-07

- Bugfix Memory calculation and key bindings.

### 2.2 — 2020-09-19

- You can customize key bindings between keys of hardware keyboard and calculator keys.
- Fix bugs.

### 2.1.1 — 2020-04-10

By default, the current key layout is now displayed when the edit screen of key customization is displayed.

### 2.1 — 2020-04-06

- Memo and Formular memo function come back.
  You can register frequently-used numbers or formulas. 
  And you can assign it to a key.
  You can easily input a number or a formula by one button. 
  Thank you very much for your patience.

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All apps by ITO SOFT DESIGN Inc.: https://appshunter.io/developer/311313017

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*