# Cumulus: Project Understanding — Engage With The Design Process

> Mobile app for architects and stakeholders to visualize and engage with 3D project models. (iPhone/iPad app by Arrowstreet, Inc..)

- Source: https://appshunter.io/ios/app/cumulus-project-understanding/id1503410868 (this page in markdown: same URL + `.md`)
- Developer: [Arrowstreet, Inc.](https://appshunter.io/developer/1384580121)
- Category: Graphics & Design
- Price: Free
- Rating: 5.00/5 from 3 App Store ratings
- Age rating: 4+
- Requires: iOS 15.0 · 46 MB
- Languages: American English
- Released: 2020-07-09
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/cumulus-project-understanding/id1503410868/reviews.md

## What is Cumulus?

Used by architects, their clients, consultants, contractors and community stakeholders, Cumulus brings design visualization and engagement to your fingertips. Use the Cumulus: Project Understanding app to:

• View, Rotate, and Explore projects' 3D models
• Save new 3D views and share instantly with the project team
• View a project's documents, plans, and elevations on the fly
• View a project's renderings to understand the creative design intent
• Create sketches and share instantly with the project team
• Toggle AR mode to view a table-top model and inspect details up-close
• Manage the project team: add/remove users and assign permissions

## Key features

- 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


## Frequently asked questions about Cumulus

### What is Cumulus used for?

Cumulus is used by architects, clients, consultants, and contractors to visualize and engage with 3D architectural project models. It allows for exploration of models, viewing documents, and creating sketches.

### Can I view 3D models offline with Cumulus?

The provided data does not specify offline functionality for Cumulus. However, it allows for saving views and sharing them instantly, suggesting an active internet connection might be needed for certain features.

### What devices does Cumulus support?

Cumulus is supported on iPhone, iPad, and iPod devices. It is designed to bring design visualization and engagement to your fingertips on these platforms.

### How often is Cumulus updated?

The latest version of Cumulus is 2.2, last updated on February 3, 2026. This indicates a recent update, though the frequency of future updates is not specified.

### Is Cumulus suitable for all ages?

Cumulus has an age rating of 4+, making it suitable for younger users. The app focuses on professional design visualization and engagement.

### Does Cumulus have ads?

No, Cumulus does not contain advertisements. The app is free to download and use without any ad interruptions.

### What is the user sentiment for Cumulus?

Cumulus has received an excellent rating of 5.0 stars from 3 ratings, indicating a very positive user sentiment among its current users.

### Can I manage project teams within Cumulus?

Yes, Cumulus allows you to manage the project team by adding or removing users and assigning permissions. This feature facilitates collaboration and control over project access.

## Version history (last 5 releases)

### 2.2 — 2026-02-03

- iOS 26 & Liquid Glass Support

### 2.1 — 2022-08-27

• Added Reset Password Option
• Bug Fixes and Improvements

### 2.0 — 2022-08-19

• Redesigned User Interface
• New Launch Screen Animation
• Performance Optimizations
• New Account Management Options
• User Profile Images

### 1.5.1 — 2020-12-26

Bug Fixes

### 1.5 — 2020-08-22

• View Models with Textures
• View 360 Renderings
• Move, Scale, and Place Models in Augmented Reality
• Orbit Mode
• Improved Download Experience
• File & Data Structure Optimizations

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## More apps by Arrowstreet, Inc.

- [AirSpace Analytics](https://appshunter.io/ios/app/airspace-analytics/id1384580122)

All apps by Arrowstreet, Inc.: https://appshunter.io/developer/1384580121

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*