# DWG FastView vs ODEI

The clearest difference is in-app purchases: ODEI at none against DWG FastView's 6. ODEI also leads on ads (none vs shown) and review sentiment (100% vs 69%). DWG FastView's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. DWG FastView sells 6 in-app purchases, starting at $0.99 per month. ODEI asks for nothing beyond the download.

DWG FastView ships an update every 4 weeks, ODEI every 2 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | DWG FastView | ODEI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (1.1K ratings)](https://appshunter.io/ios/app/dwg-fastview-cad-viewer-and-editor/id456933691/reviews)** | — |
| Number of ratings | **1.1K** | — |
| Positive reviews | 68.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 418 MB | 91 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Gstarsoft Co., Ltd](https://appshunter.io/developer/456933697) | [odei.io](https://appshunter.io/developer/1756478495) |

## What reviewers say

### DWG FastView

[App page](https://appshunter.io/ios/app/dwg-fastview-cad-viewer-and-editor/id456933691)

This cross-platform CAD application allows users to view, edit, and create 2D and 3D designs on the go. It supports a wide range of file formats and offers advanced tools for precise drawing, measurement, and annotation, even offline.

**Highlights:** View and edit 2D/3D CAD drawings, Supports over 40 3D drawing formats, Accurate measurement and annotation tools, Export to PDF, BMP, JPG, PNG, Offline access and no registration required, Full compatibility with AutoCAD (DWG, DXF)

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month | $0.99 | per month |
| 1 month | $7.99 | per month |
| 12 months | $8.99 | per year |
| 1 month | $14.99 | per month |
| 12 months | $47.99 | per year |
| 12 months | $69.99 | per year |

**What reviewers like**

- 🚀 Fast and efficient
- 👍 Easy to use and intuitive
- 💡 Convenient mobile CAD viewing and editing
- 🚀 Quick file loading
- 👍 Smooth performance

**What reviewers complain about**

- 🐛 Crashes and freezes
- 💰 Subscription model with limited free features
- 🔒 Lack of customer support and communication
- 🔒 Unclear upgrade and purchase process
- 🔒 Aggressive advertising and paywalls

**Reported bugs**

- Crashes when opening certain DWG files
- Issues with file uploads and synchronization
- Incompatibility with some device models
- Unreliable performance after recent updates

**Requested features**

- Support for 3D CAD files
- Improved layer management
- Better integration with cloud storage services
- Customizable units and dimensions
- More advanced drawing and editing tools


### ODEI

[App page](https://appshunter.io/ios/app/odei/id1515278531)

This app connects construction sites with the office, enabling remote worksite control and real-time project metric access. It helps optimize project management, production, and avoid costly delays through data-driven insights and enhanced coordination.

**Highlights:** Remote worksite control, Real-time project metrics, Cost and delay optimization, Data-driven decision making, Improved coordination, Remote inspection, Access control functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is DWG FastView free?

DWG FastView is free to download, with in-app purchases available.

### Is ODEI free?

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

### Do DWG FastView or ODEI have ads?

DWG FastView shows ads; ODEI does not.

### Which is updated more often, DWG FastView or ODEI?

DWG FastView ships an update every 4 weeks, and ODEI every 2 months. Most recently, DWG FastView was updated on November 6, 2026 and ODEI on November 3, 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.*