# Report Monster vs Calca

The clearest difference is price: Report Monster at Free against Calca's $9.99. Report Monster also leads on update cadence (every 3 weeks vs every 5 months) and iOS requirement (10.0 vs 15.0). Calca's advantage is rating (4.5 vs 1.6) and review sentiment (76% vs 48%). On ads, in-app purchases and monetization model there is nothing between them.

Report Monster is free to download; Calca costs $9.99 up front. Report Monster sells 1 one-off in-app purchase and Calca sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Calca holds the better App Store score, 4.5 against 1.6. That said, the two scores are not equally well evidenced: Calca has 157 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 48% of Report Monster's written reviews are positive against 76% of Calca's.

Report Monster ships an update every 3 weeks, Calca every 5 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | Report Monster | Calca |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | [1.6 (10 ratings)](https://appshunter.io/ios/app/report-monster/id563089888/reviews) | **[4.5 (157 ratings)](https://appshunter.io/ios/app/calca/id635757879/reviews)** |
| Number of ratings | 10 | **157** |
| Positive reviews | 48.3% of reviews | **76.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 36 MB | 78 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Filu Ltd](https://appshunter.io/developer/556768899) | [Krueger Systems, Inc.](https://appshunter.io/developer/299293363) |

## What reviewers say

### Report Monster

[App page](https://appshunter.io/ios/app/report-monster/id563089888)

Capture site photos and notes instantly to generate professional PDF reports. Supports multiple images per report, drawing tools, and GPS tagging. Export reports via email, Dropbox, or Evernote.

**Highlights:** Capture photos and notes on-site, Generate professional PDF reports, Annotate images with drawing tools, Insert maps and tag locations, Automatic photo labeling, Flexible export options

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Report Monster Pro Upgrade | $19.99 | one-time |


### Calca

[App page](https://appshunter.io/ios/app/calca/id635757879)

This app is an advanced symbolic calculator and text editor. It solves equations, simplifies expressions, and allows you to explain your work alongside calculations. Calculations update instantly as you type, and all data is stored as plain text for easy sharing and device syncing.

**Highlights:** Symbolic calculation, Equation solving, Expression simplification, Markdown text editor, Real-time updates, Unit and currency conversion, Matrix operations

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6-Month Optional Patronage | $4.99 | one-time |
| 12-Month Optional Patronage | $7.99 | one-time |

**What reviewers like**

- 💡 Unique blend of text editor and calculator
- 📝 Markdown support for documentation
- 🔄 Dynamic recalculation of all values
- ⚙️ Powerful mathematical and algebraic capabilities
- 📊 Unit conversion and unit-aware calculations

**What reviewers complain about**

- 🐛 Magic Keyboard input bugs on iPad
- ⚠️ Appears abandoned or poorly maintained
- 🐛 Text selection issues with external keyboards
- 📱 iPad landscape mode problems
- 🐛 Cursor jumping and screen jumping during editing

**Reported bugs**

- Magic Keyboard causes number input to overwrite instead of append
- Text selection before numbers triggers increment/decrement instead of selecting
- Cursor jumps forward and backward with external keyboards
- iPad Pro keyboard truncation in portrait mode
- Arrow key (=>) doesn't work in landscape mode

**Requested features**

- Files app and document browser integration
- Dropbox and Google Drive support
- Date calculation functionality
- Looping and iteration support
- User-defined function storage in separate files


## Frequently asked questions

### Is Report Monster free?

Report Monster is free to download, with in-app purchases available.

### Is Calca free?

Calca costs $9.99, and also offers in-app purchases.

### Which has better reviews, Report Monster or Calca?

Calca is rated higher. Report Monster averages 1.6 out of 5 from 10 ratings, while Calca averages 4.5 from 157 ratings.

### Do Report Monster or Calca have ads?

Neither Report Monster nor Calca shows ads.

### Which is updated more often, Report Monster or Calca?

Report Monster ships an update every 3 weeks, and Calca every 5 months. Most recently, Report Monster was updated on November 1, 2026 and Calca on November 1, 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.*