# CADraw vs NADCA Defects

The clearest difference is in-app purchases: NADCA Defects at none against CADraw's 6. NADCA Defects also leads on update cadence (every 2 days vs fortnightly). CADraw's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On price and ads there is nothing between them.

Both are free to download. CADraw sells 6 in-app purchases, starting at $1.39 per month. NADCA Defects asks for nothing beyond the download.

CADraw ships an update fortnightly, NADCA Defects every 2 days. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | CADraw | NADCA Defects |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (10 ratings)](https://appshunter.io/ios/app/cadraw/id1526269907/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 175 MB | 55 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [诚 张](https://appshunter.io/developer/1526266877) | [Solutions Fonderie](https://appshunter.io/developer/1094095935) |

## What reviewers say

### CADraw

[App page](https://appshunter.io/ios/app/cadraw/id1526269907)

Create and edit precise technical drawings with a variety of tools. Supports layers, annotations, and export to common formats like PDF and DXF. Ideal for detailed design work on mobile devices.

**Highlights:** Draw lines, circles, arcs, Shape editing and modification, Angle constraints, Endpoint and midpoint snapping, Numeric keypad for precise input, Layer management, Annotation tools, Export to PDF and DXF

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $1.39 | per month |
| per month | $2.99 | per month |
| Annual subscription | $13.90 | per year |
| per year | $26.00 | per year |
| Upgrade to the full version | $69.99 | one-time |
| Full version | $99.99 | one-time |


### NADCA Defects

[App page](https://appshunter.io/ios/app/nadca-defects/id6755052593)

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

**In-app purchases:** none


## Frequently asked questions

### Is CADraw free?

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

### Is NADCA Defects free?

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

### Do CADraw or NADCA Defects have ads?

Neither CADraw nor NADCA Defects shows ads.

### Which is updated more often, CADraw or NADCA Defects?

CADraw ships an update fortnightly, and NADCA Defects every 2 days. Most recently, CADraw was updated on October 24, 2026 and NADCA Defects on October 7, 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.*