# Severe Service vs Bluebeam

The clearest difference is rating: Severe Service at 4.7 against Bluebeam's 1.5. Severe Service also leads on iOS requirement (13.2 vs 18.0). Bluebeam's advantage is ratings volume (408 vs 7). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Severe Service holds the better App Store score, 4.7 against 1.5. That said, the two scores are not equally well evidenced: Bluebeam has 408 ratings behind it against 7, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Severe Service | Bluebeam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (7 ratings)](https://appshunter.io/ios/app/severe-service/id1436753584/reviews)** | [1.5 (408 ratings)](https://appshunter.io/ios/app/bluebeam/id1479484276/reviews) |
| Number of ratings | 7 | **408** |
| Positive reviews | — | 2.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | Free |
| Size | 26 MB | 295 MB |
| Requires iOS | **13.2** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Emerson Process Management](https://appshunter.io/developer/561985742) | [Bluebeam, Inc.](https://appshunter.io/developer/489696449) |

## What reviewers say

### Severe Service

[App page](https://appshunter.io/ios/app/severe-service/id1436753584)

This app helps users perform initial sizing for control valves, diagnose issues by selecting symptoms, and explore severe service applications across various industries. It also provides access to a technical library with videos and PDFs, a product catalog, and a contact feature for expert assistance.

**Highlights:** Control valve sizing tool, Issue diagnosis by symptom, Industry application explorer, Technical library with videos and PDFs, Fisher product catalog, Keyword search functionality, Direct contact with experts

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Severe Service free?

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

### Is Bluebeam free?

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

### Which has better reviews, Severe Service or Bluebeam?

Severe Service is rated higher. Severe Service averages 4.7 out of 5 from 7 ratings, while Bluebeam averages 1.5 from 408 ratings.

### Do Severe Service or Bluebeam have ads?

Neither Severe Service nor Bluebeam shows ads.

### Which is updated more often, Severe Service or Bluebeam?

Severe Service ships an update monthly, and Bluebeam monthly. Most recently, Severe Service 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.*