# JSCalculator vs Collabora Office

The clearest difference is review sentiment: JSCalculator at 100% against Collabora Office's 41%. JSCalculator also leads on rating (5.0 vs 3.3). Collabora Office's advantage is price (Free vs $0.99) and update cadence (every 6 weeks vs every 25 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Collabora Office is free to download; JSCalculator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

JSCalculator holds the better App Store score, 5.0 against 3.3. That said, the two scores are not equally well evidenced: Collabora Office has 125 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of JSCalculator's written reviews are positive against 41% of Collabora Office's.

JSCalculator ships an update every 25 months, Collabora Office every 6 weeks. The most recent releases landed on October 3, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | JSCalculator | Collabora Office |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/jscalculator/id443347724/reviews)** | [3.3 (125 ratings)](https://appshunter.io/ios/app/collabora-office/id1440482071/reviews) |
| Number of ratings | 2 | **125** |
| Positive reviews | **100.0% of reviews** | 40.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 6 weeks** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 302 MB |
| Requires iOS | **15** | 16.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ivan Biaggio](https://appshunter.io/developer/304972232) | [Collabora Productivity](https://appshunter.io/developer/918120010) |

## What reviewers say

### JSCalculator

[App page](https://appshunter.io/ios/app/jscalculator/id443347724)

This advanced calculator evaluates expressions as you type, eliminating the need for an equals key. It supports complex formulas, variables, and predefined constants, making it ideal for scientific and engineering tasks.

**Highlights:** Instant evaluation as you type, Formula entry with variables, Multi-step formulas, History of entered formulas, Predefined constants of nature, Copy and paste functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### Collabora Office

[App page](https://appshunter.io/ios/app/collabora-office/id1440482071)

Create and edit documents, spreadsheets, and presentations on your mobile device. This app offers compatibility with a wide range of file formats, including Open Document and Microsoft Office. It's an open-source solution for on-the-go productivity.

**Highlights:** Text editor, Spreadsheet program, Presentation program, Open Document Format support, Microsoft Office file compatibility, Open Source

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Excellent functionality
- 🔒 Privacy-focused
- 👍 Intuitive interface
- 🚀 Seamless file compatibility
- 👍 Useful for on-the-go editing

**What reviewers complain about**

- 🐛 Crashes and freezes
- 🐛 Buggy scrolling and text selection
- 🐛 Unreliable saving and file management
- 👎 Clunky keyboard and trackpad support
- 👎 Slow performance with larger documents

**Reported bugs**

- Unable to open password-protected documents
- Formatting issues with imported documents
- Inconsistent behavior when switching between apps
- Keyboard and cursor controls not working as expected

**Requested features**

- Dark mode option
- Improved cursor and text selection controls
- Better integration with cloud storage services
- More intuitive file naming and saving process
- Enhanced spreadsheet functionality


## Frequently asked questions

### Is JSCalculator free?

JSCalculator costs $0.99, with no in-app purchases.

### Is Collabora Office free?

Collabora Office is free to download, with no in-app purchases.

### Which has better reviews, JSCalculator or Collabora Office?

JSCalculator is rated higher. JSCalculator averages 5.0 out of 5 from 2 ratings, while Collabora Office averages 3.3 from 125 ratings.

### Do JSCalculator or Collabora Office have ads?

Neither JSCalculator nor Collabora Office shows ads.

### Which is updated more often, JSCalculator or Collabora Office?

JSCalculator ships an update every 25 months, and Collabora Office every 6 weeks. Most recently, JSCalculator was updated on October 3, 2026 and Collabora Office on October 20, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*