# Plain Calculator Pro — Science & Technology

> Advanced calculator with in-line editing, workspaces, and unit conversion. (iPhone/iPad app by clir Technologies GmbH.)

- Source: https://appshunter.io/ios/app/plain-calculator-pro/id1369716353 (this page in markdown: same URL + `.md`)
- Developer: [clir Technologies GmbH](https://appshunter.io/developer/690576635)
- Category: Utilities, Productivity
- Price: $3.99
- Rating: 4.60/5 from 5 App Store ratings
- Age rating: 4+
- Requires: iOS 11.0 · 55 MB
- Languages: English, German
- Released: 2018-12-06
- Data updated: 2026-06-10
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/plain-calculator-pro/id1369716353/reviews.md

## What is Plain Calculator Pro?

Get all of Plain Calculators powerful features at once:
+ Edit calculations anywhere, in-line
+ Create Workspaces and cross-reference them
+ Be more efficient with Unit Conversion
+ Undo changes and copy/paste calculations
+ Save them for reusability
+ Improve your workflow using Force Touch
+ Choose from 10 beautiful designs
+ Be faster with Apple Watch and Plain Calculator Pros Today Extension


Plain Calculator Pro is incredibly powerful. Its simple and beautiful interface streamlines your workflow and empowers you to achieve more in less time. 

• Plain Calculator Pros design is tuned to be simple. Edit anywhere, undo, copy/paste and take advantage of reusability and Force Touch. 

• "Workspaces" allow you to focus on what's important. Workspace-References break down complex calculations, promote reusability and increase efficiency. Work on multiple calculations simultaneously and switch between workspaces by 2-finger-swiping. Folders allow for flexible organisation.

• Dynamic, in-line unit conversion provides an efficient workflow while maintaining maximum flexibility.

• Ten beautiful designs deliver customisation and a sophisticated look and feel.

• Use your Apple Watch and the Today-Widget to quickly perform calculations. Switch your work to the iPhone by force pressing on your Apple Watch or press and hold on the calculation in the Today-Widget to port it to the main app within a new workspace.

## Key features

- In-line calculation editing
- Reusable workspaces
- Dynamic unit conversion
- Undo and copy/paste functionality
- Force Touch integration
- Apple Watch and Today Extension support
- 10 customizable designs


## Frequently asked questions about Plain Calculator Pro

### What makes Plain Calculator Pro powerful?

Plain Calculator Pro offers advanced features like in-line editing of calculations, the ability to create and cross-reference reusable workspaces, and dynamic unit conversion, all within a simple and beautiful interface.

### Can I edit past calculations in Plain Calculator Pro?

Yes, you can edit calculations anywhere in-line, undo changes, and copy/paste calculations for reusability, significantly improving your workflow.

### How does Plain Calculator Pro handle complex calculations?

The app's 'Workspaces' feature allows you to focus on important calculations, break down complex ones, and work on multiple calculations simultaneously by swiping between workspaces.

### Does Plain Calculator Pro support unit conversion?

Yes, it provides dynamic, in-line unit conversion, offering an efficient workflow while maintaining maximum flexibility for your calculations.

### What devices is Plain Calculator Pro compatible with?

Plain Calculator Pro is available for Apple Watch, iPhone, iPad, and iPod, with a Today Extension for quick access.

### How often is Plain Calculator Pro updated?

The app was last updated on May 22, 2019, with the latest version being 1.1. It was initially released on December 6, 2018.

### What is the price of Plain Calculator Pro?

Plain Calculator Pro is a paid application priced at $3.99.

### Does Plain Calculator Pro have ads?

No, Plain Calculator Pro does not contain advertisements.

## Version history (last 2 releases)

### 1.1 — 2019-05-22

Bugfixes & minor interface improvements

### 1.0 — 2018-11-04

No release notes.

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## More apps by clir Technologies GmbH

- [Plain Calculator Lite](https://appshunter.io/ios/app/plain-calculator-lite/id1464874327)
- [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.*