# CADraw vs CoiioT

The clearest difference is in-app purchases: CoiioT at none against CADraw's 6. CADraw's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

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

CADraw ships an update fortnightly, CoiioT every 2 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | CADraw | CoiioT |
| --- | --- | --- |
| 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 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 175 MB | 31 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [诚 张](https://appshunter.io/developer/1526266877) | [Gomathi Chellamuthu](https://appshunter.io/developer/1825041855) |

## 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 |


### CoiioT

[App page](https://appshunter.io/ios/app/coiiot/id6748294351)

**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 CoiioT free?

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

### Do CADraw or CoiioT have ads?

Neither CADraw nor CoiioT shows ads.

### Which is updated more often, CADraw or CoiioT?

CADraw ships an update fortnightly, and CoiioT every 2 weeks. Most recently, CADraw was updated on October 24, 2026 and CoiioT 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.*