# iSectionLite vs Bluebeam

The clearest difference is review sentiment: iSectionLite at 50% against Bluebeam's 3%. iSectionLite also leads on rating (2.1 vs 1.5) and iOS requirement (8.0 vs 18.0). Bluebeam's advantage is update cadence (monthly vs every 46 months) and ratings volume (392 vs 13). 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.

iSectionLite holds the better App Store score, 2.1 against 1.5. That said, the two scores are not equally well evidenced: Bluebeam has 392 ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 50% of iSectionLite's written reviews are positive against 3% of Bluebeam's.

iSectionLite ships an update every 46 months, Bluebeam monthly. The most recent releases landed on October 6, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | iSectionLite | Bluebeam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.1 (13 ratings)](https://appshunter.io/ios/app/isectionlite/id320141628/reviews)** | [1.5 (392 ratings)](https://appshunter.io/ios/app/bluebeam/id1479484276/reviews) |
| Number of ratings | 13 | **392** |
| Positive reviews | **50.0% of reviews** | 3.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 46 months | **Monthly** |
| Monetization | Free | Free |
| Size | 0 MB | 288 MB |
| Requires iOS | **8.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ahmj](https://appshunter.io/developer/304905561) | [Bluebeam, Inc.](https://appshunter.io/developer/489696449) |

## What reviewers say

### iSectionLite

[App page](https://appshunter.io/ios/app/isectionlite/id320141628)

This engineering app calculates mechanical and structural properties for built-up section members. It supports various international steel shapes and allows input and output in both metric and imperial units.

**Highlights:** Calculates moment of inertia, modulus of section, radius of gyration, area, and weight, Supports European, American, Canadian, and British steel shapes, Input and output in mm or inch units, Calculations in principal axes, Light version with limitations on hot rolled library and flange dimensions

**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 iSectionLite free?

iSectionLite 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, iSectionLite or Bluebeam?

iSectionLite is rated higher. iSectionLite averages 2.1 out of 5 from 13 ratings, while Bluebeam averages 1.5 from 392 ratings.

### Do iSectionLite or Bluebeam have ads?

Neither iSectionLite nor Bluebeam shows ads.

### Which is updated more often, iSectionLite or Bluebeam?

iSectionLite ships an update every 46 months, and Bluebeam monthly. Most recently, iSectionLite was updated on October 6, 2026 and Bluebeam on October 13, 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.*