# TrueDim vs DWG Viewer

The clearest difference is in-app purchases: TrueDim at none against DWG Viewer's 2. DWG Viewer's advantage is update cadence (every 4 days vs every 2 weeks) and device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. DWG Viewer sells 2 in-app purchases, starting at $2.99 per 7 days. TrueDim asks for nothing beyond the download.

TrueDim ships an update every 2 weeks, DWG Viewer every 4 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | TrueDim | DWG Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 41 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [CASEY ROBERT KLEINMAN](https://appshunter.io/developer/1892047790) | [Rush Tools LLC](https://appshunter.io/developer/1896773547) |

## What reviewers say

### TrueDim

[App page](https://appshunter.io/ios/app/truedim/id6795643603)

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

**In-app purchases:** none


### DWG Viewer

[App page](https://appshunter.io/ios/app/dwg-viewer-cad-drawing-reader/id6815304762)

View, edit, and convert CAD drawings directly on your mobile device. Transform PDFs and scans into editable CAD files, measure dimensions, and add annotations. Save and export your work in various formats without needing a computer.

**Highlights:** Open DWG and DXF files, Convert PDF and scans to drawings, Measure distances, areas, and angles, Annotate and mark up drawings, Edit CAD elements, Interactive 3D model view, Export to PDF, image, or SVG

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DWG Viewer Pro | $2.99 | per 7 days |
| DWG Viewer Pro | $14.99 | per year |


## Frequently asked questions

### Is TrueDim free?

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

### Is DWG Viewer free?

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

### Do TrueDim or DWG Viewer have ads?

Neither TrueDim nor DWG Viewer shows ads.

### Which is updated more often, TrueDim or DWG Viewer?

TrueDim ships an update every 2 weeks, and DWG Viewer every 4 days. Most recently, TrueDim was updated on October 31, 2026 and DWG Viewer on October 31, 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.*