# BIM 360 vs SignAgent

The clearest difference is review sentiment: SignAgent at 67% against BIM 360's 5%. SignAgent also leads on monetization model (free vs freemium) and iOS requirement (12.4 vs 15.0). On price, update cadence, 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.

BIM 360 ships an update every 6 weeks, SignAgent every 2 months. The most recent releases landed on October 31, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | BIM 360 | SignAgent |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.8 (148 ratings)](https://appshunter.io/ios/app/bim-360/id1261062351/reviews)** | — |
| Number of ratings | **148** | — |
| Positive reviews | 4.8% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Freemium | **Free** |
| Size | 249 MB | 41 MB |
| Requires iOS | 15.0 | **12.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Autodesk Inc.](https://appshunter.io/developer/295089690) | [SignAgent Inc.](https://appshunter.io/developer/1055537348) |

## 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. Stay on time and on budget with real-time project information.

**Highlights:** Access project documents, plans, and models, Execute construction quality and safety workflows, Collaborative document and data management, Manage 2D plans, 3D models, and project documents, Deploy quality and safety programs to mobile workers, Create, assign, and approve RFIs, Create, view, and share 2D & 3D markups

**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


### SignAgent

[App page](https://appshunter.io/ios/app/signagent/id1341536536)

Streamline sign surveys, audits, and punch lists with this mobile tool. Capture sign details, take photos, add comments, and sync data instantly with your desktop. Ideal for field work on iOS devices.

**Highlights:** Capture sign details and photos, Add comments and assign state/type, Sync data with SignAgent desktop, View sign information on floor plans, Manage sign tags and locations, Collaborate with multiple devices

**In-app purchases:** none


## Frequently asked questions

### Is BIM 360 free?

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

### Is SignAgent free?

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

### Do BIM 360 or SignAgent have ads?

Neither BIM 360 nor SignAgent shows ads.

### Which is updated more often, BIM 360 or SignAgent?

BIM 360 ships an update every 6 weeks, and SignAgent every 2 months. Most recently, BIM 360 was updated on October 31, 2026 and SignAgent on October 22, 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.*