# 3D Viewer by Chief Architect vs Builder Brigade

The clearest difference is review sentiment: Builder Brigade at 89% against 3D Viewer by Chief Architect's 31%. Builder Brigade also leads on rating (4.8 vs 3.7) and update cadence (every 3 weeks vs every 4 months). 3D Viewer by Chief Architect's advantage is in-app purchases (none vs 2) and ratings volume (527 vs 33). On price, ads and device support there is nothing between them.

Both are free to download. Builder Brigade sells 2 in-app purchases, starting at $14.99 per month. 3D Viewer by Chief Architect asks for nothing beyond the download.

Builder Brigade holds the better App Store score, 4.8 against 3.7. That said, the two scores are not equally well evidenced: 3D Viewer by Chief Architect has 527 ratings behind it against 33, so its average is the more settled of the two. Written reviews point the same way: 31% of 3D Viewer by Chief Architect's written reviews are positive against 89% of Builder Brigade's.

3D Viewer by Chief Architect ships an update every 4 months, Builder Brigade every 3 weeks. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 3D Viewer by Chief Architect | Builder Brigade |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (527 ratings)](https://appshunter.io/ios/app/3d-viewer-by-chief-architect/id1083656847/reviews) | **[4.8 (33 ratings)](https://appshunter.io/ios/app/builder-brigade/id6742160782/reviews)** |
| Number of ratings | **527** | 33 |
| Positive reviews | 31.1% of reviews | **88.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 152 MB | 523 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Chief Architect](https://appshunter.io/developer/520677645) | [Builder Brigade Tech, Inc.](https://appshunter.io/developer/1797168033) |

## What reviewers say

### 3D Viewer by Chief Architect

[App page](https://appshunter.io/ios/app/3d-viewer-by-chief-architect/id1083656847)

Explore 3D architectural models in virtual reality. Navigate through home designs with intuitive controls, experiencing them before construction. Ideal for professionals to share immersive project previews with clients.

**Highlights:** Virtual reality navigation, Walk and fly through designs, Exterior, room, and floor plan views, Sojourn 3D navigation tools, Gyro camera for free form viewing, Background camera control

**In-app purchases:** none

**What reviewers like**

- 👍 Great bonus item for clients
- 🚀 Works fine once
- ⭐ Low key elite
- 👍 Very functional
- 👍 Works well to keep clients up to date

**What reviewers complain about**

- 🐛 Cannot view plan on iPad
- 🐛 Keeps crashing
- 🐛 Cannot view link
- 🐛 Images on iPad don't match desktop
- 🐛 Worst app ever

**Reported bugs**

- Cannot open zipped files
- Difficult to import models from Dropbox/OneDrive
- VR mode spins around uncontrollably

**Requested features**

- Support for OneDrive
- AR in full scale
- Ability to make handwritten/design notes on the model
- Markup and add text comments
- Floor plan view that mimics desktop, control layers, see notes


### Builder Brigade

[App page](https://appshunter.io/ios/app/builder-brigade/id6742160782)

Organize your new home build from start to finish. This app helps homeowners track selections, explore features, and communicate with their builder. It provides essential tips and product information to ensure a smooth construction process.

**Highlights:** Organize home selections, Explore home features, Communicate with builders, Access product information, Get building tips, Export selections

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $14.99 | per month |
| Annual Subscription | $146.99 | per year |


## Frequently asked questions

### Is 3D Viewer by Chief Architect free?

3D Viewer by Chief Architect is free to download, with no in-app purchases.

### Is Builder Brigade free?

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

### Which has better reviews, 3D Viewer by Chief Architect or Builder Brigade?

Builder Brigade is rated higher. 3D Viewer by Chief Architect averages 3.7 out of 5 from 527 ratings, while Builder Brigade averages 4.8 from 33 ratings.

### Do 3D Viewer by Chief Architect or Builder Brigade have ads?

Neither 3D Viewer by Chief Architect nor Builder Brigade shows ads.

### Which is updated more often, 3D Viewer by Chief Architect or Builder Brigade?

3D Viewer by Chief Architect ships an update every 4 months, and Builder Brigade every 3 weeks. Most recently, 3D Viewer by Chief Architect was updated on October 21, 2026 and Builder Brigade on October 25, 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.*