# 6F vs CAD Drawing Designer 3D

The clearest difference is review sentiment: 6F at 87% against CAD Drawing Designer 3D's 46%. 6F also leads on ads (none vs shown) and rating (4.2 vs 3.7). CAD Drawing Designer 3D's advantage is device support (4 vs 2) and iOS requirement (12.0 vs 17). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. 6F sells 2 in-app purchases, starting at $2.49 per month and CAD Drawing Designer 3D sells 3 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

6F holds the better App Store score, 4.2 against 3.7. Both are backed by a comparable volume of ratings — 19 and 44 respectively. Written reviews point the same way: 87% of 6F's written reviews are positive against 46% of CAD Drawing Designer 3D's.

6F ships an update every 2 days, CAD Drawing Designer 3D every 16 months. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 6F | CAD Drawing Designer 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (19 ratings)](https://appshunter.io/ios/app/6f-markup-annotate-and-draw/id1299469360/reviews)** | [3.7 (44 ratings)](https://appshunter.io/ios/app/cad-drawing-designer-3d/id6450542473/reviews) |
| Number of ratings | 19 | **44** |
| Positive reviews | **87.0% of reviews** | 45.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 16 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 139 MB | 207 MB |
| Requires iOS | 17 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [五四 徐](https://appshunter.io/developer/960344572) | [Sebastian Kemper](https://appshunter.io/developer/1513694925) |

## What reviewers say

### 6F

[App page](https://appshunter.io/ios/app/6f-markup-annotate-and-draw/id1299469360)

This tool combines photo editing, annotation, and illustration capabilities into a single application. It offers precise markup and drawing features using a virtual mouse, allowing for professional-level design work on mobile devices.

**Highlights:** Accurate photo markup and annotation, Virtual mouse for precise control, Complex typesetting and poster design, Vector shape and illustration drawing, Annotate any picture with shapes and text

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6F Master | $2.49 | per month |
| Upgrade to Pro | $2.99 | one-time |


### CAD Drawing Designer 3D

[App page](https://appshunter.io/ios/app/cad-drawing-designer-3d/id6450542473)

Design and plan your projects in 3D with a comprehensive library of construction components and intuitive CAD tools. Easily create, edit, and dimension drawings, import various 3D data formats, and generate realistic visualizations. Export material lists for efficient implementation.

**Highlights:** 3D construction and 2D views, Component library (wood, steel, concrete), Drag & drop 3D object insertion, Material customization, Import 3D CAD data (FBX, OBJ, GLTF2, STL, PLY, 3MF, DAE), Photo function for high-resolution images, Parts list export

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version (Month) | $8.99 | per month |
| Pro Version (Year) | $29.99 | per year |
| Pro Version (One Year) | $29.99 | per year |


## Frequently asked questions

### Is 6F free?

6F is free to download, with in-app purchases available.

### Is CAD Drawing Designer 3D free?

CAD Drawing Designer 3D is free to download, with in-app purchases available.

### Which has better reviews, 6F or CAD Drawing Designer 3D?

6F is rated higher. 6F averages 4.2 out of 5 from 19 ratings, while CAD Drawing Designer 3D averages 3.7 from 44 ratings.

### Do 6F or CAD Drawing Designer 3D have ads?

CAD Drawing Designer 3D shows ads; 6F does not.

### Which is updated more often, 6F or CAD Drawing Designer 3D?

6F ships an update every 2 days, and CAD Drawing Designer 3D every 16 months. Most recently, 6F was updated on November 11, 2026 and CAD Drawing Designer 3D on November 3, 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.*