# Cumulus vs Architects Norms

The clearest difference is update cadence: Architects Norms at every 2 days against Cumulus's every 3 months. Architects Norms also leads on iOS requirement (12.0 vs 15.0). Cumulus's advantage is ratings volume (3 vs 1). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for Cumulus against 5.0 for Architects Norms. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Cumulus ships an update every 3 months, Architects Norms every 2 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | Cumulus | Architects Norms |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/cumulus-project-understanding/id1503410868/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/architects-norms/id6448038763/reviews) |
| Number of ratings | **3** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Free | Free |
| Size | 46 MB | 49 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Arrowstreet, Inc.](https://appshunter.io/developer/1384580121) | [The Web Addicts](https://appshunter.io/developer/1581743411) |

## 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


### Architects Norms

[App page](https://appshunter.io/ios/app/architects-norms/id6448038763)

This app offers a focused architectural and engineering service, emphasizing dedication, professionalism, and customer service. It aims to provide accessible information for colleagues seeking professional insights.

**Highlights:** Responsible Architecture & Engineering Practice, Professionalism and Dedication, Outstanding Customer Service, Accessible Information for Colleagues, Striving for Excellence

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cumulus free?

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

### Is Architects Norms free?

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

### Which has better reviews, Cumulus or Architects Norms?

Cumulus and Architects Norms are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do Cumulus or Architects Norms have ads?

Neither Cumulus nor Architects Norms shows ads.

### Which is updated more often, Cumulus or Architects Norms?

Cumulus ships an update every 3 months, and Architects Norms every 2 days. Most recently, Cumulus was updated on November 3, 2026 and Architects Norms on November 3, 2026.

---

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