# BIMx vs Just Circles

The clearest difference is in-app purchases: BIMx at none against Just Circles's 1. BIMx also leads on iOS requirement (16.0 vs 18.6). Just Circles's advantage is update cadence (daily vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Just Circles sells 1 one-off in-app purchase. BIMx asks for nothing beyond the download.

BIMx ships an update every 5 weeks, Just Circles daily. The most recent releases landed on October 16, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | BIMx | Just Circles |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 175 MB | 12 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Graphisoft SE](https://appshunter.io/developer/452706867) | [GJRO, s.r.o.](https://appshunter.io/developer/1849944751) |

## 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


### Just Circles

[App page](https://appshunter.io/ios/app/just-circles/id6762115451)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Customer | $7.99 | one-time |


## Frequently asked questions

### Is BIMx free?

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

### Is Just Circles free?

Just Circles is free to download, with in-app purchases available.

### Do BIMx or Just Circles have ads?

Neither BIMx nor Just Circles shows ads.

### Which is updated more often, BIMx or Just Circles?

BIMx ships an update every 5 weeks, and Just Circles daily. Most recently, BIMx was updated on October 16, 2026 and Just Circles on September 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*