# 3D Scratchpad vs Assemblr Studio

The clearest difference is rating: Assemblr Studio at 3.5 against 3D Scratchpad's 2.7. Assemblr Studio also leads on update cadence (every 3 weeks vs every 15 months) and review sentiment (44% vs 19%). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. 3D Scratchpad sells 3 in-app purchases, starting at $1.99 per month and Assemblr Studio sells 21 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Assemblr Studio holds the better App Store score, 3.5 against 2.7. That said, the two scores are not equally well evidenced: Assemblr Studio has 238 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 19% of 3D Scratchpad's written reviews are positive against 44% of Assemblr Studio's.

3D Scratchpad ships an update every 15 months, Assemblr Studio every 3 weeks. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 3D Scratchpad | Assemblr Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (12 ratings)](https://appshunter.io/ios/app/3d-scratchpad/id957422439/reviews) | **[3.5 (238 ratings)](https://appshunter.io/ios/app/assemblr-studio-easy-ar-maker/id1275354939/reviews)** |
| Number of ratings | 12 | **238** |
| Positive reviews | 18.5% of reviews | **44.2% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 7 MB | 141 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Engineered Stuff](https://appshunter.io/developer/383720996) | [Assemblr](https://appshunter.io/developer/1425741171) |

## What reviewers say

### 3D Scratchpad

[App page](https://appshunter.io/ios/app/3d-scratchpad/id957422439)

Create 3D models with a user-friendly design tool. Freehand draw in 3D using primitive shapes and gestures. Manipulate objects with augmented reality and share your creations as .usdz files.

**Highlights:** Freehand 3D drawing, Primitive solid shapes, Intuitive gestures, Augmented reality manipulation, Share as .usdz files

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Month Subscription | $1.99 | per month |
| Six Month Subscription | $6.99 | per 6 months |
| One Year Subscription | $9.99 | per year |


### Assemblr Studio

[App page](https://appshunter.io/ios/app/assemblr-studio-easy-ar-maker/id1275354939)

Create immersive augmented reality experiences without any coding. Utilize a drag-and-drop editor with thousands of 3D objects, animations, and interactive elements. Share your AR projects easily across various platforms.

**Highlights:** Drag-and-drop AR editor, Thousands of 2D & 3D objects, Add animations and interactivity, Share projects via links or markers, Embed projects in other platforms

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

**In-app purchases (21)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Plan 1 Month | $9.99 | per month |
| Small Plan (Monthly) | $9.99 | per month |
| Medium Plan 1 Month | $24.99 | per month |
| Medium Plan (Monthly) | $24.99 | per month |
| Medium Plan 1 Month | $42.49 | per month |
| Large Plan (Monthly) | $49.00 | per month |
| Premium Plan 1 Month | $49.99 | per month |
| Premium Plan 1 Month | $71.00 | per month |
| Small Plan (Yearly) | $99.99 | per year |
| Medium Plan (Yearly) | $249.00 | per year |
| Large Plan (Yearly) | $499.00 | per year |
| AR Book Voucher | $0.99 | one-time |
| Custom Marker Voucher | $2.99 | one-time |
| Extra 1 project | $2.99 | one-time |
| 500 BLR Coins | $7.19 | one-time |
| 400 BLR Coins | $11.49 | one-time |
| 1000 BLR Coins | $14.49 | one-time |
| 1500 BLR Coins | $21.49 | one-time |
| 800 BLR Coins | $22.90 | one-time |
| 2000 BLR Coins | $28.99 | one-time |
| 1200 BLR Coins | $34.49 | one-time |

**What reviewers like**

- 🚀 Unique 3D building and AR features
- 👍 Allows for creative expression
- 🎨 Extensive selection of blocks and materials
- 🤖 Interesting concept for an AR app

**What reviewers complain about**

- 🐛 Frequent crashes and glitches
- 🔌 High battery consumption
- 🤔 Confusing and unintuitive controls
- 🔒 Requires account creation to save projects
- ⏱️ Slow loading and unresponsive at times

**Reported bugs**

- Projects disappearing after saving
- Unable to create new projects or accounts
- Distortion and deformation of 3D objects
- Compatibility issues with newer devices

**Requested features**

- Add more 3D objects and customization options
- Improve camera controls and navigation
- Implement a more user-friendly tutorial
- Allow offline project saving and editing
- Add support for importing custom 3D models


## Frequently asked questions

### Is 3D Scratchpad free?

3D Scratchpad is free to download, with in-app purchases available.

### Is Assemblr Studio free?

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

### Which has better reviews, 3D Scratchpad or Assemblr Studio?

Assemblr Studio is rated higher. 3D Scratchpad averages 2.7 out of 5 from 12 ratings, while Assemblr Studio averages 3.5 from 238 ratings.

### Do 3D Scratchpad or Assemblr Studio have ads?

Neither 3D Scratchpad nor Assemblr Studio shows ads.

### Which is updated more often, 3D Scratchpad or Assemblr Studio?

3D Scratchpad ships an update every 15 months, and Assemblr Studio every 3 weeks. Most recently, 3D Scratchpad was updated on October 13, 2026 and Assemblr Studio on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*