# Bluebeam vs SKM Mobile

The clearest difference is rating: SKM Mobile at 3.0 against Bluebeam's 1.5. SKM Mobile also leads on iOS requirement (12.2 vs 18.0). Bluebeam's advantage is in-app purchases (none vs 1) and update cadence (monthly vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. SKM Mobile sells 1 in-app purchase, starting at $299.99 per year. Bluebeam asks for nothing beyond the download.

SKM Mobile holds the better App Store score, 3.0 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, SKM Mobile every 7 months. The most recent releases landed on October 29, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Bluebeam | SKM Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (409 ratings)](https://appshunter.io/ios/app/bluebeam/id1479484276/reviews) | **[3.0 (3 ratings)](https://appshunter.io/ios/app/skm-mobile/id1543836977/reviews)** |
| Number of ratings | **409** | 3 |
| Positive reviews | 2.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 7 months |
| Monetization | **Free** | Subscription |
| Size | 295 MB | 132 MB |
| Requires iOS | 18.0 | **12.2** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bluebeam, Inc.](https://appshunter.io/developer/489696449) | [S.K.M. SYSTEMS ANALYSIS, INC.](https://appshunter.io/developer/1543836979) |

## 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


### SKM Mobile

[App page](https://appshunter.io/ios/app/skm-mobile/id1543836977)

Capture field data, view study results, and manage equipment settings on your mobile device. Seamlessly import information to your desktop program and enhance your workflow with on-the-go access to essential project details.

**Highlights:** Field data collection, View study results, Import data to desktop, Capture photos and videos, Scan QR codes, Scribble notes

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SKM Mobile Subscription | $299.99 | per year |


## Frequently asked questions

### Is Bluebeam free?

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

### Is SKM Mobile free?

SKM Mobile is free to download, with in-app purchases available.

### Which has better reviews, Bluebeam or SKM Mobile?

SKM Mobile is rated higher. Bluebeam averages 1.5 out of 5 from 409 ratings, while SKM Mobile averages 3.0 from 3 ratings.

### Do Bluebeam or SKM Mobile have ads?

Neither Bluebeam nor SKM Mobile shows ads.

### Which is updated more often, Bluebeam or SKM Mobile?

Bluebeam ships an update monthly, and SKM Mobile every 7 months. Most recently, Bluebeam was updated on October 29, 2026 and SKM Mobile on October 16, 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.*