# Redo Calculator — Calculator with Undo & Redo

> Calculator with Undo & Redo (iPhone/iPad app by Seongmin Yim.)

- Source: https://appshunter.io/ios/app/redo-calculator/id6753993375 (this page in markdown: same URL + `.md`)
- Developer: [Seongmin Yim](https://appshunter.io/developer/1529542974)
- Category: Utilities, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 13.0 · 21 MB
- Languages: American English
- Released: 2025-10-31
- Data updated: 2026-08-14
- User reviews in markdown: https://appshunter.io/ios/app/redo-calculator/id6753993375/reviews.md

## What is Redo Calculator?

Redo Calculator lets you calculate confidently without worrying about mistakes.
With full Undo and Redo support, you can easily correct inputs, and the screen-on feature ensures the display never turns off while calculating.

Features
- Undo & Redo for easy correction
- Prevents screen from turning off during use
- Clean, minimal design
- Keeps your recent calculation history

Simple, reliable, and focused — Redo Calculator helps you calculate without interruption.


## Version history (last 3 releases)

### 1.0.2 — 2026-01-07

v1.0.2 fixed minor bugs.

### 1.0.1 — 2025-11-21

v1.0.1 Fix minor bug

### 1.0.0 — 2025-10-31

No release notes.

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## More apps by Seongmin Yim

- [5Goals](https://appshunter.io/ios/app/5goals/id1529542972)
- [BbigTimer](https://appshunter.io/ios/app/bbigtimer/id1577759185)
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- [MultiAIBrowser](https://appshunter.io/ios/app/multiaibrowser/id6757524860)
- [FingerPaper](https://appshunter.io/ios/app/fingerpaper/id6761092423)

All apps by Seongmin Yim: https://appshunter.io/developer/1529542974

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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 2026-08-14.*