# DWG FastView vs Triangle Angles Calculator

The clearest difference is rating: Triangle Angles Calculator at 5.0 against DWG FastView's 4.5. Triangle Angles Calculator also leads on in-app purchases (none vs 9) and ads (none vs shown). DWG FastView's advantage is ratings volume (1.1K vs 1). On price, device support and iOS requirement there is nothing between them.

Both are free to download. DWG FastView sells 9 in-app purchases, starting at $0.99 per month. Triangle Angles Calculator asks for nothing beyond the download.

Triangle Angles Calculator holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: DWG FastView has 1.1K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 69% of DWG FastView's written reviews are positive against 100% of Triangle Angles Calculator's.

DWG FastView ships an update every 4 weeks, Triangle Angles Calculator every 3 days. The most recent releases landed on October 15, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | DWG FastView | Triangle Angles Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (1.1K ratings)](https://appshunter.io/ios/app/dwg-fastview-cad-viewer-and-editor/id456933691/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/triangle-angles-calculator/id1598378708/reviews)** |
| Number of ratings | **1.1K** | 1 |
| Positive reviews | 68.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 416 MB | 28 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Gstarsoft Co., Ltd](https://appshunter.io/developer/456933697) | [Dmitriy Trofimov](https://appshunter.io/developer/1598378710) |

## 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 (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month | $0.99 | per month |
| 1 month | $7.99 | per month |
| 12 months | $8.99 | per year |
| 3 months | $9.99 | per 3 months |
| 1个月超级帐户测试 | $12.99 | per month |
| 1 month | $14.99 | per month |
| 3 months | $14.99 | per 3 months |
| 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


### Triangle Angles Calculator

[App page](https://appshunter.io/ios/app/triangle-angles-calculator/id1598378708)

Easily calculate unknown sides, angles, and other parameters for various triangle types. Features interactive visualizations and works offline, making it ideal for students and professionals needing quick, accurate geometric solutions.

**Highlights:** Calculate unknown triangle parameters from 2-3 known values, Interactive visualization of triangle types, Real-time calculations with intuitive interface, Offline functionality, Supports metric and imperial units, Calculates sides, angles, area, perimeter, medians, and circles

**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 Triangle Angles Calculator free?

Triangle Angles Calculator is free to download, with no in-app purchases.

### Which has better reviews, DWG FastView or Triangle Angles Calculator?

Triangle Angles Calculator is rated higher. DWG FastView averages 4.5 out of 5 from 1.1K ratings, while Triangle Angles Calculator averages 5.0 from 1 ratings.

### Do DWG FastView or Triangle Angles Calculator have ads?

DWG FastView shows ads; Triangle Angles Calculator does not.

### Which is updated more often, DWG FastView or Triangle Angles Calculator?

DWG FastView ships an update every 4 weeks, and Triangle Angles Calculator every 3 days. Most recently, DWG FastView was updated on October 15, 2026 and Triangle Angles Calculator on September 26, 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.*