# DWG FastView vs Pipedata

The clearest difference is in-app purchases: Pipedata at none against DWG FastView's 6. Pipedata also leads on ads (none vs shown) and iOS requirement (11.0 vs 13.0). DWG FastView's advantage is ratings volume (1.1K vs 44) and review sentiment (69% vs 52%). On price, rating, 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. Pipedata asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for DWG FastView against 4.4 for Pipedata. That said, the two scores are not equally well evidenced: DWG FastView has 1.1K ratings behind it against 44, so its average is the more settled of the two. Written reviews are what separate them: 69% of DWG FastView's written reviews are positive against 52% of Pipedata's.

DWG FastView ships an update every 4 weeks, Pipedata every 3 weeks. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | DWG FastView | Pipedata |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (1.1K ratings)](https://appshunter.io/ios/app/dwg-fastview-cad-viewer-and-editor/id456933691/reviews)** | [4.4 (44 ratings)](https://appshunter.io/ios/app/pipedata/id967807250/reviews) |
| Number of ratings | **1.1K** | 44 |
| Positive reviews | **68.6% of reviews** | 51.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 418 MB | 38 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Gstarsoft Co., Ltd](https://appshunter.io/developer/456933697) | [John Bennett](https://appshunter.io/developer/967758845) |

## 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


### Pipedata

[App page](https://appshunter.io/ios/app/pipedata/id967807250)

Access dimensional and weight data for over 70 common ASME piping components. Provides information in Metric, US Customary Units, and Inch/Fractions, with audited weights for valves, flanges, and other parts. Ensures accuracy and up-to-date information based on the latest ASME specifications.

**Highlights:** Dimensional data for 72+ ASME piping components, Weight information for valves and flanges, Supports Metric, US Customary Units, and Inch/Fractions, Based on latest ASME piping specifications, Fast and convenient interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DWG FastView free?

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

### Is Pipedata free?

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

### Which has better reviews, DWG FastView or Pipedata?

DWG FastView is rated higher. DWG FastView averages 4.5 out of 5 from 1.1K ratings, while Pipedata averages 4.4 from 44 ratings.

### Do DWG FastView or Pipedata have ads?

DWG FastView shows ads; Pipedata does not.

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

DWG FastView ships an update every 4 weeks, and Pipedata every 3 weeks. Most recently, DWG FastView was updated on October 30, 2026 and Pipedata on October 24, 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.*