# Calculation Pad — Calculator

> A secure, history-enabled calculator app for iOS devices. (iPhone/iPad app by Yukio Tajima.)

- Source: https://appshunter.io/ios/app/calculation-pad/id1473259620 (this page in markdown: same URL + `.md`)
- Developer: [Yukio Tajima](https://appshunter.io/developer/1473259619)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 13.0 · 3 MB
- Languages: English, Japanese
- Released: 2019-10-12
- Data updated: 2026-06-20
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/calculation-pad/id1473259620/reviews.md

## What is Calculation Pad?

Calculation Pad is a calculator.

Of course it can keep your history, and add taxes to your calculation easily, and use your history for a new calculation.

Even if you are a spy running a top secret project, you can easily protect your calculation result with your fingerprint or password or your face. 

However functional this calculator this is, it can't beat the price of your daily necessities. After all, it's just a calculator.

## Key features

- Calculation history
- Reuse past calculations
- Add taxes
- Fingerprint/password/face protection
- Free to use

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Developer Support | $0.99 | one-time |
| Developer Support | $6.99 | one-time |
| Small tip | $0.99 | one-time |
| Large tip | $6.99 | one-time |
| Medium tip | $3.99 | one-time |



## Frequently asked questions about Calculation Pad

### Does Calculation Pad have ads?

No, Calculation Pad does not contain advertisements. It is a free app with optional in-app purchases.

### What devices does Calculation Pad support?

Calculation Pad is available on iPhone, iPad, and iPod touch, running on iOS.

### How often is Calculation Pad updated?

The latest version, 1.2.1, was released on August 3, 2020. Updates provide new features and bug fixes.

### What is the age rating for Calculation Pad?

Calculation Pad has an age rating of 4+, making it suitable for a wide range of users.

### Can I protect my calculations with Calculation Pad?

Yes, Calculation Pad offers security features to protect your calculation results using fingerprint, password, or face recognition.

### How does Calculation Pad handle calculation history?

Calculation Pad keeps a history of your calculations, allowing you to easily reuse them for new computations or to add taxes.

### What is the price of Calculation Pad?

Calculation Pad is available for free. It also offers in-app purchases.

### What do users like about Calculation Pad?

Users appreciate its security features, such as fingerprint and password protection, and its ability to easily reuse past calculations.

## Version history (last 5 releases)

### 1.2.1 — 2020-08-03

Convert Function
- We originally had a weight convert function as a beta, and now we are officially bringing it to the product. It will support Weight, Length, Surface, Volume, Currency. Please check it out!

Calculoation Pad is almost going to hit 2000 downloads on the App Store! If you enjoy the app, We can never be more happy if you can share this app to you family and friends.

### 1.2.0 — 2020-05-06

There is more in the making

■Updates
- You can now reorder the operation button (+,-,×,÷) in Settings
- A design update
- External mouse/trackpad support
- A partly new exchange view
- Restore last session

### 1.1.1 — 2020-01-12

Some small changes coming

■Updates
- You can now reorder the operation button (+,-,×,÷) in Settings
- A slightly better design
- External keyboard support
- A better stock experience
- Tutorial for new users
- New sets of icons
- iPad Support!!!

### 1.1 — 2019-11-17

Many changes coming!

■Updates
- A modern design
- External keyboard support
- A better stock experience
- Tutorial for new users
- New sets of icons
- iPad Support!!!

### 1.0.5 — 2019-11-03

iPad Support!
(and A new look and more additional functions)

- Now you can swipe through the function pad
- mod and fraction calculation
- added Help Center
- Buttons look cleaner

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## More apps by Yukio Tajima

- [Schedule for school](https://appshunter.io/ios/app/schedule-for-school/id1501289202)

All apps by Yukio Tajima: https://appshunter.io/developer/1473259619

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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 2026-06-20.*