# Customize Calculator — Customize button & Wallpaper

> Customize button & Wallpaper (iPhone/iPad app by Kenichi Yoshikawa.)

- Source: https://appshunter.io/ios/app/customize-calculator/id1042492126 (this page in markdown: same URL + `.md`)
- Developer: [Kenichi Yoshikawa](https://appshunter.io/developer/954163256)
- Category: Utilities, Productivity
- Price: $2.99
- Age rating: 4+
- Requires: iOS 14.0 · 1 MB
- Languages: American English, Arabic, French (France), German (Germany), Hindi, Italian, Japanese, Korean, European Portuguese, Russian and 3 more
- Released: 2015-10-13
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/customize-calculator/id1042492126/reviews.md

## What is Customize Calculator?

Optimized to multitasking function of iOS.You can easy to call this app in a "Split View" or "Slide Over".

The screen layout will change automatically according to the portrait or landscape mode on your iPad and iPhone and the big buttons fitted to the size and mode of display are easy to view for the user.
Try to create your own calculator suitable for your tastes by using abundant setting well.

FEATURES :

Calculation :
- Two Calculation method : functional or sequential
- Three rounding mode : rounding , up or cut
- Number of digits after the decimal point : free , zero , one , two , three or four
- Angle unit : degree or radian

Appearance :
- Color or Wallpaper : Set the wallpaper with a photograph or a camera, or select a background color
- Number Format : Select a digit grouping and decimal point from among the 8 types including India format
- Sound of buttons : Select the button sound from nine timbres or turn off

Result:
- Character color：Freely set color by the slider
- Background color：Freely set color and opacity by the slider
- Expression color：Freely set color or hide by the slider

Button :
- Shape : Square , Round Square , Circle , Diamond , Heart or Cogwheel
- Size : Large , Medium or Small
- Dimensions : Flat , Solid or Outline
- Character color：Freely set color by the slider
- Background color：Freely set color and opacity by the slider
- Position : The position of buttons are freely changed
- Function button : Three function buttons can be changed, thease button is include Grand total, Rand, Sine,1/x, Route, etc...

History :
- Equals : Over write last result or Add the result the history
- Vertical (portrait) mode : Indication Left , Hidden or Indication Right
- Horizontal (landscape) mode : Indication place Left or Right
- character color：Freely set color by the slider
- background color：Freely set color and opacity by the slider
- Expression color：Freely set color or hide by the slider

SUPPORTS :

Non retina and Retina display on iPhone, iPad and iPod Touch.
iPhone 8, iPhone SE, iPad Air 2, iPad Pro and iPad mini 4 , iPod touch 7gen and later.
iOS 14.0 and later.


## Version history (last 5 releases)

### 4.1.2 — 2022-10-03

Fixed characters in some regions.

### 4.1.1 — 2022-10-03

Bugfixes and character fixes.

### 4.1 — 2022-10-01

iOS 16 support.
iPhone 14 series support.

### 4.0.3 — 2022-05-26

You can now set the wallpaper and background color on the full screen.
Compatible with the latest iPhone, iPad, iOS.

### 3.0.0 — 2017-10-09

Added support for iPhone X, 8 , 8 Plus And iOS 11.

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## More apps by Kenichi Yoshikawa

- [Calculator basic :](https://appshunter.io/ios/app/calculator-basic/id959434104)
- [System Status -](https://appshunter.io/ios/app/system-status/id989442029)
- [System Status Lite -](https://appshunter.io/ios/app/system-status-lite/id992911130)
- [Calculator Pro basic](https://appshunter.io/ios/app/calculator-pro-basic/id1042600645)

All apps by Kenichi Yoshikawa: https://appshunter.io/developer/954163256

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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 2026-05-17.*