# BIMx (legacy) vs Arkio

The clearest difference is rating: BIMx (legacy) at 3.9 against Arkio's 3.1. BIMx (legacy) also leads on in-app purchases (none vs 5) and iOS requirement (11.0 vs 15.0). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Arkio sells 5 in-app purchases, starting at $19.99 per month. BIMx (legacy) asks for nothing beyond the download.

BIMx (legacy) holds the better App Store score, 3.9 against 3.1. Both are backed by a comparable volume of ratings — 18 and 7 respectively. Written reviews complicate that: 74% of BIMx (legacy)'s written reviews are positive against 80% of Arkio's, so the app with the better star average is not the one people write more warmly about.

BIMx (legacy) ships an update monthly, Arkio every 3 weeks. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | BIMx (legacy) | Arkio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (18 ratings)](https://appshunter.io/ios/app/bimx-legacy/id711449665/reviews)** | [3.1 (7 ratings)](https://appshunter.io/ios/app/arkio/id1441534242/reviews) |
| Number of ratings | **18** | 7 |
| Positive reviews | 74.4% of reviews | **80.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 100 MB | 335 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Graphisoft SE](https://appshunter.io/developer/452706867) | [Arkio](https://appshunter.io/developer/1441534241) |

## What reviewers say

### BIMx (legacy)

[App page](https://appshunter.io/ios/app/bimx-legacy/id711449665)

This is a retired version of a mobile viewer app designed for accessing Archicad models. It is optimized for older iOS devices and will not receive future updates. A newer, next-generation version is available separately.

**Highlights:** View Archicad models, Optimized for older iOS devices, Legacy version, Mobile model access

**In-app purchases:** none


### Arkio

[App page](https://appshunter.io/ios/app/arkio/id1441534242)

Collaborate on architectural and design projects in immersive 3D environments. Import large models, present ideas, and gather feedback with tools for markup, voice notes, and AI rendering. Offers VR and multi-device support for seamless teamwork.

**Highlights:** Import large 3D AEC models, Collaborative VR and MR experiences, AI rendering and presentation tools, Voice and text issue capture, Built-in modeling and ideation tools, Layer management and sun studies

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Arkio Plus Montly | $19.99 | per month |
| Arkio Pro Subscription | $44.99 | per month |
| Arkio Plus 3 Months | $44.99 | per 3 months |
| Arkio Plus Yearly | $119.99 | per year |
| Arkio Plus Asset Pack | $9.99 | one-time |


## Frequently asked questions

### Is BIMx (legacy) free?

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

### Is Arkio free?

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

### Which has better reviews, BIMx (legacy) or Arkio?

BIMx (legacy) is rated higher. BIMx (legacy) averages 3.9 out of 5 from 18 ratings, while Arkio averages 3.1 from 7 ratings.

### Do BIMx (legacy) or Arkio have ads?

Neither BIMx (legacy) nor Arkio shows ads.

### Which is updated more often, BIMx (legacy) or Arkio?

BIMx (legacy) ships an update monthly, and Arkio every 3 weeks. Most recently, BIMx (legacy) was updated on October 21, 2026 and Arkio on October 24, 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.*