# CADraw vs Kramer Authenticator

The clearest difference is in-app purchases: Kramer Authenticator at none against CADraw's 6. CADraw's advantage is update cadence (fortnightly vs every 4 months) and iOS requirement (13.0 vs 15.6). On price, 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. Kramer Authenticator asks for nothing beyond the download.

CADraw ships an update fortnightly, Kramer Authenticator every 4 months. The most recent releases landed on October 20, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | CADraw | Kramer Authenticator |
| --- | --- | --- |
| 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 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 175 MB | 1 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [诚 张](https://appshunter.io/developer/1526266877) | [Kramer Electronics Ltd.](https://appshunter.io/developer/694685194) |

## 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 |


### Kramer Authenticator

[App page](https://appshunter.io/ios/app/kramer-authenticator/id6758384824)

**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 Kramer Authenticator free?

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

### Do CADraw or Kramer Authenticator have ads?

Neither CADraw nor Kramer Authenticator shows ads.

### Which is updated more often, CADraw or Kramer Authenticator?

CADraw ships an update fortnightly, and Kramer Authenticator every 4 months. Most recently, CADraw was updated on October 20, 2026 and Kramer Authenticator on October 13, 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.*