# BIMx vs Cbb Express

BIMx and Cbb Express are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

BIMx ships an update every 5 weeks, Cbb Express every 3 weeks. The most recent releases landed on October 7, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | BIMx | Cbb Express |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (167 ratings)](https://appshunter.io/ios/app/bimx/id452706864/reviews)** | — |
| Number of ratings | **167** | — |
| Positive reviews | 59.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 175 MB | 56 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Graphisoft SE](https://appshunter.io/developer/452706867) | [Gonzalo Astudillo](https://appshunter.io/developer/1457991648) |

## What reviewers say

### BIMx

[App page](https://appshunter.io/ios/app/bimx/id452706864)

Explore and collaborate on architectural BIM projects with interactive 3D models and linked documentation. Visualize designs, access BIM data, and streamline communication between the construction site and office.

**Highlights:** Interactive 2D & 3D BIM model exploration, Linked 2D documentation and 3D views, Access BIM element data, On-site collaboration tools, Game-like 3D navigation, Real-time 3D cutaways, Measure in 3D and 2D

**In-app purchases:** none

**What reviewers like**

- 💡 Excellent BIM viewer for ArchiCAD models
- 👍 Helpful for client communication and presentations
- 🚀 Smooth and fast 3D navigation
- 🔍 Useful for on-site model viewing and collaboration

**What reviewers complain about**

- 🐛 Occasional crashes and glitches
- 🤔 Confusing user interface for beginners
- 🔒 Requires Graphisoft account and login
- 💰 Paid subscription model after free trial

**Reported bugs**

- Issues with downloading and opening models
- Compatibility problems with newer iOS versions
- Inconsistent rendering and color issues

**Requested features**

- Ability to annotate and markup models
- Support for more CAD file formats beyond ArchiCAD
- Improved camera controls and navigation
- Integration with desktop ArchiCAD software


### Cbb Express

[App page](https://appshunter.io/ios/app/cbb-express/id6744749835)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BIMx free?

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

### Is Cbb Express free?

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

### Do BIMx or Cbb Express have ads?

Neither BIMx nor Cbb Express shows ads.

### Which is updated more often, BIMx or Cbb Express?

BIMx ships an update every 5 weeks, and Cbb Express every 3 weeks. Most recently, BIMx was updated on October 7, 2026 and Cbb Express on September 17, 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.*