# BIMx vs AdmitKey

The clearest difference is iOS requirement: AdmitKey at 9.0 against BIMx's 16.0. 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.

BIMx ships an update every 6 weeks, AdmitKey monthly. The most recent releases landed on October 24, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | BIMx | AdmitKey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (168 ratings)](https://appshunter.io/ios/app/bimx/id452706864/reviews)** | — |
| Number of ratings | **168** | — |
| Positive reviews | 59.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 175 MB | 46 MB |
| Requires iOS | 16.0 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Graphisoft SE](https://appshunter.io/developer/452706867) | [Francisco Palacios](https://appshunter.io/developer/1514827669) |

## 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


### AdmitKey

[App page](https://appshunter.io/ios/app/admitkey/id1538626360)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BIMx free?

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

### Is AdmitKey free?

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

### Do BIMx or AdmitKey have ads?

Neither BIMx nor AdmitKey shows ads.

### Which is updated more often, BIMx or AdmitKey?

BIMx ships an update every 6 weeks, and AdmitKey monthly. Most recently, BIMx was updated on October 24, 2026 and AdmitKey on September 9, 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.*