# PlanInspect CAD DWG PDF Viewer vs CoDrawing

The clearest difference is in-app purchases: CoDrawing at none against PlanInspect CAD DWG PDF Viewer's 3. CoDrawing also leads on iOS requirement (13.0 vs 17.0). PlanInspect CAD DWG PDF Viewer's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. PlanInspect CAD DWG PDF Viewer sells 3 in-app purchases, starting at $4.99 per month. CoDrawing asks for nothing beyond the download.

PlanInspect CAD DWG PDF Viewer ships an update every 3 weeks, CoDrawing every 3 months. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PlanInspect CAD DWG PDF Viewer | CoDrawing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/planinspect-cad-dwg-pdf-viewer/id6769343364/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 131 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JhumanJ](https://appshunter.io/developer/1896651429) | [kijeong Kwon](https://appshunter.io/developer/1892978059) |

## What reviewers say

### PlanInspect CAD DWG PDF Viewer

[App page](https://appshunter.io/ios/app/planinspect-cad-dwg-pdf-viewer/id6769343364)

View, measure, and annotate CAD drawings and PDF plans directly on your Apple devices. This app allows for offline work and exports annotated plans and reports, streamlining on-site reviews for professionals.

**Highlights:** Open DWG and PDF files, Measure distances and areas, Calibrate PDF scale, Add notes and markups, Export annotated plans, Work offline

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PlanInspect Pro Monthly | $4.99 | per month |
| PlanInspect Pro Yearly | $39.99 | per year |
| PlanInspect Pro Lifetime | $99.99 | one-time |


### CoDrawing

[App page](https://appshunter.io/ios/app/codrawing/id6779540138)

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

**In-app purchases:** none


## Frequently asked questions

### Is PlanInspect CAD DWG PDF Viewer free?

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

### Is CoDrawing free?

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

### Do PlanInspect CAD DWG PDF Viewer or CoDrawing have ads?

Neither PlanInspect CAD DWG PDF Viewer nor CoDrawing shows ads.

### Which is updated more often, PlanInspect CAD DWG PDF Viewer or CoDrawing?

PlanInspect CAD DWG PDF Viewer ships an update every 3 weeks, and CoDrawing every 3 months. Most recently, PlanInspect CAD DWG PDF Viewer was updated on October 28, 2026 and CoDrawing on October 25, 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.*