# Custom Calculator Maker — Design Your Own Button Layout

> Design Your Own Button Layout (iPhone/iPad app by Koya Nambo.)

- Source: https://appshunter.io/ios/app/custom-calculator-maker/id1633778502 (this page in markdown: same URL + `.md`)
- Developer: [Koya Nambo](https://appshunter.io/developer/1633778504)
- Category: Utilities, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 26.0 · 5 MB
- Languages: American English, Japanese
- Released: 2022-07-09
- Data updated: 2026-11-12

## What is Custom Calculator Maker?

Build a calculator that works the way you do.

Choose where every button goes, pick your colors, and add your own buttons for the calculations you use most.

MAKE IT YOURS
- Place buttons anywhere on a grid of up to 9×9
- Choose a color for each button, plus the background and button text colors
- Save up to 10 custom calculators and switch between them in one tap

CREATE YOUR OWN BUTTONS
- Save a formula such as ×1.1 or +500 as a button
- Use it for sales tax, discounts, tips, or any calculation you repeat

EVERYDAY TOOLS
- Calculation history: view, recall, and copy past calculations
- Parentheses, percent, powers, pi, and e
- Optional button sound and vibration
- Keep the screen on while you calculate

Start from a 5×4, 6×4, or 6×5 layout, or begin with a blank calculator.

Free with ads. Watch one video ad to remove ads for 24 hours.

## Is Custom Calculator Maker safe?

Not enough ratings yet to assess Custom Calculator Maker.

## Is Custom Calculator Maker legit?

Custom Calculator Maker appears to be a legitimate app. The AppsHunter Legitimacy Score for Custom Calculator Maker is 85 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 5 releases)

### 2.2.1 — 2026-11-11

Minor fixes and improvements.

### 2.2.0 — 2026-11-09

英語に対応しました。設定から広告の同意を変更できるようにしました。広告の表示を見直し、誤って押しにくくしました。

### 2.1.2 — 2026-10-31

・細かな改善を行いました

### 2.1.1 — 2026-10-26

サポートページとお問い合わせ先を更新しました。

### 2.1.0 — 2026-10-25

■ 動画広告で24時間広告なし
・画面下の「24時間広告なし」から動画広告を1本見ると、24時間バナーと全画面の広告が出なくなります
・設定画面の「広告」からも利用できます
・広告なしの間は、残り時間を画面下に表示します

■ そのほかの改善
・広告のトラッキング許可についての説明文をわかりやすくしました

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## More apps by Koya Nambo

- [Rapid Tap Challenge](https://appshunter.io/ios/app/rapid-tap-challenge/id1636176761)
- [SubSmart - サブスク管理&節約アプリ](https://appshunter.io/ios/app/subsmart-and/id6450220843)
- [Smart Convert - Base Converter](https://appshunter.io/ios/app/smart-convert-base-converter/id6450381653)
- [Japan-US Unit Conversion](https://appshunter.io/ios/app/japan-us-unit-conversion/id6450624167)
- [MathTre -Simple Math Workout-](https://appshunter.io/ios/app/mathtre-simple-math-workout/id6450848723)

All apps by Koya Nambo: https://appshunter.io/developer/1633778504

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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 2026-11-12.*