# Retro Calc - Simple Calculator — Nostalgic 7-segment calculator

> Nostalgic 7-segment calculator (iPhone/iPad app by Shuji Okuno.)

- Source: https://appshunter.io/ios/app/retro-calc-simple-calculator/id6784051736 (this page in markdown: same URL + `.md`)
- Developer: [Shuji Okuno](https://appshunter.io/developer/6784051738)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 0 MB
- Languages: American English, Japanese
- Released: 2026-06-27
- Data updated: 2026-08-28
- User reviews in markdown: https://appshunter.io/ios/app/retro-calc-simple-calculator/id6784051736/reviews.md

## What is Retro Calc?

A beautifully simple calculator with a nostalgic retro design.

Featuring a classic seven-segment display and warm, vintage colors, Retro Calc makes everyday math feel pleasant and effortless. No clutter, no distractions — just the essentials, crafted with care.

Highlights
- Focused on the four basic operations (+ − × ÷)
- A seven-segment display drawn like the real thing, with tapered, softly rounded strokes
- Up to 12 digits, with comma grouping that keeps large numbers readable at a glance
- Sculpted keys that feel good to press, with haptic feedback on every tap
- Large, easy-to-read key labels
- Safe error handling for division by zero and overflow
- VoiceOver support

Your privacy, respected
- No internet connection, ever
- No data collection of any kind
- No ads
- No account required

Simple by design. A calculator you'll reach for every day.


## Version history (last 4 releases)

### 1.1.1 — 2026-08-22

The app name on the Home Screen now follows your device language. Outside Japanese, it appears as "Retro Calc."

### 1.1.0 — 2026-08-21

The display now holds 12 digits, and the whole face has been redrawn.

- Display expanded from 9 to 12 digits
- Seven-segment numerals redrawn with tapered ends and softly rounded corners
- Rearranged keypad: the "+" key is now double height, with −, ×, and ÷ repositioned
- Key labels about 20% larger for easier reading
- Keys given dimensional shading, with a pressed-in look when tapped

### 1.0.1 — 2026-07-31

アプリアイコンを変更しました。

### 1.0 — 2026-06-27

No release notes.

## More apps by Shuji Okuno

- [早明浦ダム貯水率](https://appshunter.io/ios/app/id6788582177)

All apps by Shuji Okuno: https://appshunter.io/developer/6784051738

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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 2026-08-28.*