# Plain Calculator Lite — A Simple Scientific Calculator

> A simple scientific calculator with formula typing and Apple Watch integration. (iPhone/iPad app by clir Technologies GmbH.)

- Source: https://appshunter.io/ios/app/plain-calculator-lite/id1464874327 (this page in markdown: same URL + `.md`)
- Developer: [clir Technologies GmbH](https://appshunter.io/developer/690576635)
- Category: Utilities, Productivity
- Price: Free
- Rating: 3.90/5 from 11 App Store ratings
- Age rating: 4+
- Requires: iOS 11.0 · 17 MB
- Languages: English, German
- Released: 2019-06-29
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/plain-calculator-lite/id1464874327/reviews.md

## What is Plain Calculator Lite?

Plain Calculator Lite is the most powerful calculator we are willing to give away for this little because we believe everyone should have a good calculator. Seriously, try it out, it's awesome!

We have formula-typing so you see your whole calculation and you can even edit stuff from earlier or undo/redo.

There is also a nice Apple Watch app and a Today widget that helps with quick calculations. And you can even send your calculation to the main app from your Apple Watch or the Today widget.

Stuff like Workspaces, Unit conversion and colors are available with Plain Calc Pro which is also amazing for the price. 

Try it and you'll love it, cheers!

## Key features

- Formula typing
- Edit previous calculations
- Undo/Redo functionality
- Apple Watch app
- Today widget integration
- Quick calculations


## Frequently asked questions about Plain Calculator Lite

### What makes Plain Calculator Lite powerful?

Plain Calculator Lite features formula typing, allowing users to see and edit entire calculations. It also supports undo and redo functions for a seamless editing experience.

### Can I use Plain Calculator Lite on my Apple Watch?

Yes, Plain Calculator Lite includes a dedicated Apple Watch app. You can also send calculations from your Apple Watch back to the main app.

### Does Plain Calculator Lite have ads?

The provided data does not specify if Plain Calculator Lite contains advertisements. However, it is offered for free.

### What devices does Plain Calculator Lite support?

Plain Calculator Lite is compatible with Apple Watch, iPhone, iPad, and iPod.

### How often is Plain Calculator Lite updated?

The last update for Plain Calculator Lite was on June 29, 2019, with version 1.0. Further update frequency information is not available.

### What is the age rating for Plain Calculator Lite?

Plain Calculator Lite has an age rating of 4+, making it suitable for a wide range of users.

### What features are available in Plain Calc Pro?

Features like Workspaces, Unit conversion, and customization colors are available in the paid version, Plain Calc Pro.

### What is the user rating for Plain Calculator Lite?

Plain Calculator Lite has an average rating of 3.9 stars based on 11 user ratings.

## Version history (last 1 release)

### 1.0 — 2019-06-29

No release notes.

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## More apps by clir Technologies GmbH

- [Plain Calculator Pro](https://appshunter.io/ios/app/plain-calculator-pro/id1369716353)
- [clir Voice AI Transcription](https://appshunter.io/ios/app/clir-voice-ai-transcription/id1617622133)
- [Video Noise Cleanup clir Clips](https://appshunter.io/ios/app/video-noise-cleanup-clir-clips/id6443945680)
- [clear Hearing AI noise remover](https://appshunter.io/ios/app/clear-hearing-ai-noise-remover/id6476435772)

All apps by clir Technologies GmbH: https://appshunter.io/developer/690576635

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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 2026-06-10.*