# Cumulus vs Virtual Interiors

The clearest difference is update cadence: Virtual Interiors at every 6 weeks against Cumulus's every 3 months. Virtual Interiors also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Cumulus ships an update every 3 months, Virtual Interiors every 6 weeks. The most recent releases landed on October 19, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Cumulus | Virtual Interiors |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/cumulus-project-understanding/id1503410868/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 46 MB | 36 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Arrowstreet, Inc.](https://appshunter.io/developer/1384580121) | [Narasimha Bhat](https://appshunter.io/developer/1583927695) |

## What reviewers say

### Cumulus

[App page](https://appshunter.io/ios/app/cumulus-project-understanding/id1503410868)

Visualize and interact with 3D architectural models on your mobile device. Explore designs, view documents, and create sketches to share with your project team. Augmented reality mode allows for close-up inspection of detailed models.

**Highlights:** View, rotate, and explore 3D models, Save and share 3D views, Access project documents and plans, View project renderings, Create and share sketches, Augmented reality mode for detailed inspection, Manage project team members and permissions

**In-app purchases:** none


### Virtual Interiors

[App page](https://appshunter.io/ios/app/virtual-interiors/id1583927693)

**In-app purchases:** none


## Frequently asked questions

### Is Cumulus free?

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

### Is Virtual Interiors free?

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

### Do Cumulus or Virtual Interiors have ads?

Neither Cumulus nor Virtual Interiors shows ads.

### Which is updated more often, Cumulus or Virtual Interiors?

Cumulus ships an update every 3 months, and Virtual Interiors every 6 weeks. Most recently, Cumulus was updated on October 19, 2026 and Virtual Interiors on October 4, 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.*