# Horus BIM vs Viewra 3D

The clearest difference is in-app purchases: Horus BIM at none against Viewra 3D's 3. Horus BIM also leads on iOS requirement (15.0 vs 18.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Viewra 3D sells 3 in-app purchases, starting at $2.99 per month. Horus BIM asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 4 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | Horus BIM | Viewra 3D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Size | 341 MB | 152 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [IARA](https://appshunter.io/developer/1446461137) | [Shenzhen Seize Times E-Commerce Co., Ltd.](https://appshunter.io/developer/368397197) |

## What reviewers say

### Horus BIM

[App page](https://appshunter.io/ios/app/horus-bim/id1446461138)

**Features:** Vision Pro support

**In-app purchases:** none


### Viewra 3D

[App page](https://appshunter.io/ios/app/viewra-3d/id6758283083)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Viewra 3D Pro (1 Month) | $2.99 | per month |
| Viewra 3D Pro (1 Year) | $29.99 | per year |
| Viewra 3D Pro (Lifetime) | $79.99 | one-time |


## Frequently asked questions

### Is Horus BIM free?

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

### Is Viewra 3D free?

Viewra 3D is free to download, with in-app purchases available.

### Do Horus BIM or Viewra 3D have ads?

Neither Horus BIM nor Viewra 3D shows ads.

### Which is updated more often, Horus BIM or Viewra 3D?

Horus BIM ships an update every 4 months, and Viewra 3D every 4 months. Most recently, Horus BIM was updated on October 25, 2026 and Viewra 3D on October 25, 2026.

---

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