# dmx calculator vs Bluebeam

The clearest difference is review sentiment: dmx calculator at 50% against Bluebeam's 3%. dmx calculator also leads on rating (4.3 vs 1.5). Bluebeam's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. dmx calculator sells 1 one-off in-app purchase. Bluebeam asks for nothing beyond the download.

dmx calculator holds the better App Store score, 4.3 against 1.5. That said, the two scores are not equally well evidenced: Bluebeam has 408 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 50% of dmx calculator's written reviews are positive against 3% of Bluebeam's.

dmx calculator ships an update every 3 weeks, Bluebeam monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | dmx calculator | Bluebeam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/dmx-calculator/id1203563746/reviews)** | [1.5 (408 ratings)](https://appshunter.io/ios/app/bluebeam/id1479484276/reviews) |
| Number of ratings | 6 | **408** |
| Positive reviews | **50.0% of reviews** | 2.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 8 MB | 295 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [OF COURSE Maciej Hofstede](https://appshunter.io/developer/1109126289) | [Bluebeam, Inc.](https://appshunter.io/developer/489696449) |

## What reviewers say

### dmx calculator

[App page](https://appshunter.io/ios/app/dmx-calculator/id1203563746)

This application simplifies the process of calculating DMX dip switch settings for lighting equipment. It helps users easily address devices and generate a patch list, eliminating manual counting.

**Highlights:** Automatic dip switch calculation, Device addressing assistance, Patch list generation, Simplified DMX setup

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ADs | $0.99 | one-time |


### Bluebeam

[App page](https://appshunter.io/ios/app/bluebeam/id1479484276)

Access and collaborate on PDF documents directly from your mobile device. Communicate project updates with markups and work offline by syncing files. Seamlessly join live collaboration sessions and manage document revisions from the field.

**Highlights:** Real-time PDF collaboration, Markup and annotation tools, Offline file access, Document syncing, Studio Project management, Live session joining

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ✅ Automatic saving functionality works well
- 📱 Useful for viewing PDFs on the go
- 🔄 Good for accessing Studio sessions
- 📊 Desktop version is powerful and feature-rich
- 🎯 Cleaner, more modern interface design

**What reviewers complain about**

- ❌ Massive feature loss compared to Revu for iPad
- 🐛 Frequent crashes and freezing issues
- 📉 Severely limited markup tools and capabilities
- 🖊️ Apple Pencil input is unresponsive and laggy
- 💾 Data loss and corruption issues

**Reported bugs**

- Markups fail to load or display correctly
- App deletes markups instead of saving them
- Documents wipe clean when reopened
- Files uploaded disappear from app
- Corrupted file errors when opening PDFs

**Requested features**

- Restore measurement and scaling tools
- Add custom toolsets and tool libraries
- Implement bookmarks for document navigation
- Enable image embedding in callouts
- Add undo/redo functionality


## Frequently asked questions

### Is dmx calculator free?

dmx calculator is free to download, with in-app purchases available.

### Is Bluebeam free?

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

### Which has better reviews, dmx calculator or Bluebeam?

dmx calculator is rated higher. dmx calculator averages 4.3 out of 5 from 6 ratings, while Bluebeam averages 1.5 from 408 ratings.

### Do dmx calculator or Bluebeam have ads?

dmx calculator shows ads; Bluebeam does not.

### Which is updated more often, dmx calculator or Bluebeam?

dmx calculator ships an update every 3 weeks, and Bluebeam monthly. Most recently, dmx calculator was updated on October 24, 2026 and Bluebeam on October 24, 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.*