# Calculator Pro - Simple App — A calculator app is useful

> A stylish calculator app with advanced calculation and customization features. (iPhone/iPad app by woodsmall inc..)

- Source: https://appshunter.io/ios/app/calculator-pro-simple-app/id708077489 (this page in markdown: same URL + `.md`)
- Developer: [woodsmall inc.](https://appshunter.io/developer/708077492)
- Category: Productivity, Finance
- Price: $6.99
- Rating: 3.60/5 from 5 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 25 MB
- Languages: American English, Arabic, Dutch, French (France), German (Germany), Indonesian, Italian, Japanese, Korean, Malay and 9 more
- Released: 2013-09-22
- Data updated: 2026-08-25
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/calculator-pro-simple-app/id708077489/reviews.md

## What is Calculator Pro?

A simple, stylish calculator.
One use of this free app, and you’ll never want to be without it.

Percent calculations make calculating sales tax easy.

Calculator supports the following features.
[Percent Calculation]
500×5%25
500÷5%10000
500-5%475
500+5%525

[Constant Calculation]
Constant calculations follow the Casio-style.
After inputting the desired number, tap the desired operator twice to set it as the constant.
Ex) When you want to constantly add 100
100++
1000=1100
2000=2100

[Exponential Calculation]
5××=25
=125
=625

[Compound Interest Calculation]
Ex) When calculating the yearly maturity on 0.5% (after tax) of $10,000 deposited yearly.
1.005××
10000=10050
=10100.25
=10150.751

Calculator does not support function operations.
It uses Sharp-style calculation formulas.

[Main Functions]
- Input up to 12 digits. 
- Supported for iPad.
- Customizable themes.
- Customizable display
- Set the rounding of decimals
- Set the rounding place of decimals
- Constant calculation (Casio-style)

URL Scheme: woodsmall-calculatorpro://

Made in Japan.
© woodsmall inc.

## Key features

- Percent calculations
- Constant calculations
- Exponential calculations
- Compound interest calculations
- Customizable themes
- Customizable display
- Decimal rounding settings

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/calculator-pro-simple-app/id708077489/reviews.md

### 2/5 — Ad Splash Screen

*2017-12-29*

Looks nice, but even after paying for the full pro version you get a brief, full screen splash ad for the developer when you launch the app.

### 5/5 — Good app, offers k (constant) but

*2017-03-31*

Good app, offers k (constant) for calculation, but the paid version crashes when selecting Setting. Can you guys fix that?

## Frequently asked questions about Calculator Pro

### What is Calculator Pro's price?

Calculator Pro is a paid app priced at $6.99. This one-time purchase grants you access to all its features without further charges.

### Does Calculator Pro have ads?

No, Calculator Pro does not contain advertisements. It is a paid application designed to provide an ad-free user experience.

### What calculation types does Calculator Pro support?

Calculator Pro supports percent calculations, constant calculations (Casio-style), exponential calculations, and compound interest calculations. It does not support function operations.

### Can I customize the appearance of Calculator Pro?

Yes, Calculator Pro offers customizable themes and display options. You can also set the rounding of decimals and the rounding place of decimals to suit your preferences.

### What devices is Calculator Pro compatible with?

Calculator Pro is supported on iPhone, iPad, and iPod. It is designed to work seamlessly across these Apple devices.

### How often is Calculator Pro updated?

The latest version of Calculator Pro is 1.6.0, last updated on January 12, 2026. While specific update frequency isn't detailed, this indicates ongoing development.

### What is the user sentiment for Calculator Pro based on ratings?

Calculator Pro has a rating of 3.6 stars from 5 ratings. This suggests a generally positive reception, though there is room for improvement based on user feedback.

### What is the age rating for Calculator Pro?

Calculator Pro has an age rating of 4+. This means it is considered suitable for users aged 4 and above.

## Version history (last 5 releases)

### 1.6.0 — 2026-01-12

- Improvement of bug fixes and performance

### 1.5.9 — 2025-04-17

- Improvement of bug fixes and performance

### 1.5.8 — 2024-07-28

- Improvement of bug fixes and performance

### 1.5.7 — 2023-10-22

- Improvement of bug fixes and performance

### 1.5.6 — 2023-02-12

- Improvement of bug fixes and performance

## Apps similar to Calculator Pro

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Calculator 2tax](https://appshunter.io/ios/app/calculator-2tax/id1476140837) | 5.0 (1) | Free | Productivity |
| [Triangle3](https://appshunter.io/ios/app/triangle3/id1643788233) | — | $3.99 | Productivity |
| [Discount Calculator Zeitaku](https://appshunter.io/ios/app/discount-calculator-zeitaku/id837194944) | 4.0 (1) | Free | Productivity |
| [ビジネス電卓](https://appshunter.io/ios/app/id1291818572) | 5.0 (1) | Free | Productivity |
| [AddCalc PRO](https://appshunter.io/ios/app/addcalc-pro/id502862030) | — | $0.99 | Productivity |
| [Figure calculator ShapeInfo](https://appshunter.io/ios/app/figure-calculator-shapeinfo/id914310828) | 4.7 (140) | Free | Productivity |

## More apps by woodsmall inc.

- [Calculator - Simple & Stylish](https://appshunter.io/ios/app/calculator-simple-and-stylish/id716402949)
- [KumamonCalc](https://appshunter.io/ios/app/kumamoncalc/id830364492)
- [Cute mouse calculator](https://appshunter.io/ios/app/cute-mouse-calculator/id945304142)
- [PandaCalc](https://appshunter.io/ios/app/pandacalc/id972430540)
- [QRCode Simple QR Code Scanner](https://appshunter.io/ios/app/qrcode-simple-qr-code-scanner/id1067154451)

All apps by woodsmall inc.: https://appshunter.io/developer/708077492

---

*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 2026-08-25.*