# BIM 360 vs Fast Annotate

The clearest difference is price: BIM 360 at Free against Fast Annotate's $4.49. BIM 360 also leads on iOS requirement (15.0 vs 18.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

BIM 360 is free to download; Fast Annotate costs $4.49 up front. Neither carries in-app purchases, so what you see is what you pay.

BIM 360 ships an update every 6 weeks, Fast Annotate monthly. The most recent releases landed on September 21, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | BIM 360 | Fast Annotate |
| --- | --- | --- |
| Price | **Free** | $4.49 |
| Rating | **[1.8 (148 ratings)](https://appshunter.io/ios/app/bim-360/id1261062351/reviews)** | — |
| Number of ratings | **148** | — |
| Positive reviews | 4.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Freemium | — |
| Size | 249 MB | 6 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Autodesk Inc.](https://appshunter.io/developer/295089690) | [Oliver Letterer](https://appshunter.io/developer/433507462) |

## 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


### Fast Annotate

[App page](https://appshunter.io/ios/app/fast-annotate/id6476487917)

**Features:** 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 Fast Annotate free?

Fast Annotate costs $4.49, with no in-app purchases.

### Do BIM 360 or Fast Annotate have ads?

Neither BIM 360 nor Fast Annotate shows ads.

### Which is updated more often, BIM 360 or Fast Annotate?

BIM 360 ships an update every 6 weeks, and Fast Annotate monthly. Most recently, BIM 360 was updated on September 21, 2026 and Fast Annotate on September 8, 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.*