# Bluebeam vs Trimble Sentinel

The clearest difference is rating: Trimble Sentinel at 5.0 against Bluebeam's 1.5. Trimble Sentinel also leads on iOS requirement (10.0 vs 18.0). Bluebeam's advantage is ratings volume (409 vs 3) and update cadence (monthly vs every 4 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Trimble Sentinel holds the better App Store score, 5.0 against 1.5. That said, the two scores are not equally well evidenced: Bluebeam has 409 ratings behind it against 3, so its average is the more settled of the two.

Bluebeam ships an update monthly, Trimble Sentinel every 4 months. The most recent releases landed on October 29, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Bluebeam | Trimble Sentinel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (409 ratings)](https://appshunter.io/ios/app/bluebeam/id1479484276/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/trimble-sentinel/id1596312518/reviews)** |
| Number of ratings | **409** | 3 |
| Positive reviews | 2.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free | Free |
| Size | 295 MB | 41 MB |
| Requires iOS | 18.0 | **10.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bluebeam, Inc.](https://appshunter.io/developer/489696449) | [Trimble Inc.](https://appshunter.io/developer/322561665) |

## What reviewers say

### 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


### Trimble Sentinel

[App page](https://appshunter.io/ios/app/trimble-sentinel/id1596312518)

Monitor your Trimble equipment in real-time with GPS tracking. Adjust settings, receive alerts for geofence breaches, and track impacts. Access critical data for your fleet from anywhere.

**Highlights:** Real-time equipment location tracking, GPS tracker integration, LTE connection module support, Modify equipment settings, Configure alerts for geofence breaches, Impact detection alerts, Reporting interval updates

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

**In-app purchases:** none


## Frequently asked questions

### Is Bluebeam free?

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

### Is Trimble Sentinel free?

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

### Which has better reviews, Bluebeam or Trimble Sentinel?

Trimble Sentinel is rated higher. Bluebeam averages 1.5 out of 5 from 409 ratings, while Trimble Sentinel averages 5.0 from 3 ratings.

### Do Bluebeam or Trimble Sentinel have ads?

Neither Bluebeam nor Trimble Sentinel shows ads.

### Which is updated more often, Bluebeam or Trimble Sentinel?

Bluebeam ships an update monthly, and Trimble Sentinel every 4 months. Most recently, Bluebeam was updated on October 29, 2026 and Trimble Sentinel on October 21, 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.*