# Compound Offset Calculator vs Bluebeam

The clearest difference is price: Bluebeam at Free against Compound Offset Calculator's $1.99. Bluebeam also leads on ratings volume (392 vs 3). Compound Offset Calculator's advantage is rating (2.7 vs 1.5) and review sentiment (33% vs 3%). On update cadence, ads, in-app purchases and device support there is nothing between them.

Bluebeam is free to download; Compound Offset Calculator costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Compound Offset Calculator holds the better App Store score, 2.7 against 1.5. That said, the two scores are not equally well evidenced: Bluebeam has 392 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 33% of Compound Offset Calculator's written reviews are positive against 3% of Bluebeam's.

Compound Offset Calculator ships an update every 3 weeks, Bluebeam monthly. The most recent releases landed on October 9, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Compound Offset Calculator | Bluebeam |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[2.7 (3 ratings)](https://appshunter.io/ios/app/compound-offset-calculator/id554440222/reviews)** | [1.5 (392 ratings)](https://appshunter.io/ios/app/bluebeam/id1479484276/reviews) |
| Number of ratings | 3 | **392** |
| Positive reviews | **33.3% of reviews** | 3.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Paid | **Free** |
| Best chart rank | **#171** | — |
| Size | 20 MB | 288 MB |
| Requires iOS | **10.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [LMF.Services](https://appshunter.io/developer/493762237) | [Bluebeam, Inc.](https://appshunter.io/developer/489696449) |

## What reviewers say

### Compound Offset Calculator

[App page](https://appshunter.io/ios/app/compound-offset-calculator/id554440222)

**Currently charting:** #171 Top Paid · Productivity (US App Store)

This app calculates complex pipe offsets, offering 36 isometric combinations. It provides accurate angles, true cut lengths, and dimensions for custom fittings, supporting both metric and imperial units. Designed for pipefitters to improve workplace efficiency.

**Highlights:** Calculates complex pipe offsets, 36 isometric combinations, Accurate offset angles, True cut length of pipe, Custom fitting dimensions, Metric and imperial charts

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

**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 Compound Offset Calculator free?

Compound Offset Calculator costs $1.99, with no in-app purchases.

### Is Bluebeam free?

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

### Which has better reviews, Compound Offset Calculator or Bluebeam?

Compound Offset Calculator is rated higher. Compound Offset Calculator averages 2.7 out of 5 from 3 ratings, while Bluebeam averages 1.5 from 392 ratings.

### Do Compound Offset Calculator or Bluebeam have ads?

Neither Compound Offset Calculator nor Bluebeam shows ads.

### Which is updated more often, Compound Offset Calculator or Bluebeam?

Compound Offset Calculator ships an update every 3 weeks, and Bluebeam monthly. Most recently, Compound Offset Calculator was updated on October 9, 2026 and Bluebeam on October 15, 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.*