# BIM 360 vs Builder Signal

The clearest difference is rating: Builder Signal at 3.7 against BIM 360's 1.8. Builder Signal also leads on update cadence (every 3 weeks vs every 2 months). BIM 360's advantage is ratings volume (148 vs 6) and device support (3 vs 1). On price, review sentiment, 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.

Builder Signal holds the better App Store score, 3.7 against 1.8. That said, the two scores are not equally well evidenced: BIM 360 has 148 ratings behind it against 6, so its average is the more settled of the two. Written reviews complicate that: 5% of BIM 360's written reviews are positive against 0% of Builder Signal's, so the app with the better star average is not the one people write more warmly about.

BIM 360 ships an update every 2 months, Builder Signal every 3 weeks. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | BIM 360 | Builder Signal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (148 ratings)](https://appshunter.io/ios/app/bim-360/id1261062351/reviews) | **[3.7 (6 ratings)](https://appshunter.io/ios/app/builder-signal/id1424016283/reviews)** |
| Number of ratings | **148** | 6 |
| Positive reviews | **4.8% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 249 MB | 67 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Autodesk Inc.](https://appshunter.io/developer/295089690) | [Bokka Group](https://appshunter.io/developer/1424016282) |

## What reviewers say

### BIM 360

[App page](https://appshunter.io/ios/app/bim-360/id1261062351)

Access project documents, plans, and models on your mobile device. Execute construction quality and safety workflows, manage documents, and collaborate with your team from anywhere. Streamline project delivery to stay on time and on budget.

**Highlights:** Cloud document and data management, View and explore 2D plans and 3D models, Quality and safety workflow execution, Create, assign, and approve RFIs, 2D & 3D markup and annotation, Daily site activity logging, Permission-based access control

**In-app purchases:** none

**What reviewers like**

- 📱 Access to project data in the field
- 📊 Document hub functionality for team collaboration
- 🔍 Search capability for checklists by document number
- 📥 Ability to download drawings for offline access

**What reviewers complain about**

- 🐛 Constant crashes and freezing
- 🌐 Requires constant internet connectivity
- ⚠️ Frequent loss of unsaved work
- 🔄 Unreliable syncing between devices
- ⏱️ Extremely slow performance and lag

**Reported bugs**

- App crashes when uploading photos to issues or checklists
- Login failures with 'account not activated' error
- Syncing failures requiring app reinstallation
- Drawings fail to load or open
- App freezes when viewing 3D models

**Requested features**

- Offline-first functionality with reliable syncing
- Portrait and landscape orientation support
- Admin tools for team member management
- Better markup and annotation capabilities
- PDF search functionality


### Builder Signal

[App page](https://appshunter.io/ios/app/builder-signal/id1424016283)

Streamline communication for construction professionals. This app allows builders to quickly share photo updates with clients directly from the job site, eliminating the need for complex scheduling tools.

**Highlights:** Send photo construction updates, Add captions to images, Simple click interface, Eliminates scheduling software, Mobile-friendly for job sites

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

**In-app purchases:** none


## Frequently asked questions

### Is BIM 360 free?

BIM 360 is free to download, with no in-app purchases.

### Is Builder Signal free?

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

### Which has better reviews, BIM 360 or Builder Signal?

Builder Signal is rated higher. BIM 360 averages 1.8 out of 5 from 148 ratings, while Builder Signal averages 3.7 from 6 ratings.

### Do BIM 360 or Builder Signal have ads?

Neither BIM 360 nor Builder Signal shows ads.

### Which is updated more often, BIM 360 or Builder Signal?

BIM 360 ships an update every 2 months, and Builder Signal every 3 weeks. Most recently, BIM 360 was updated on November 5, 2026 and Builder Signal on November 6, 2026.

---

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