# Marty the Robot V2 vs 3D

The clearest difference is update cadence: Marty the Robot V2 at fortnightly against 3D's every 5 months. Marty the Robot V2 also leads on iOS requirement (15.1 vs 17.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Marty the Robot V2 ships an update fortnightly, 3D every 5 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Marty the Robot V2 | 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (9 ratings)](https://appshunter.io/ios/app/3d-scanner/id6449950944/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 months |
| Monetization | Free | Free |
| Size | 130 MB | 594 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Robotical Ltd](https://appshunter.io/developer/1317775542) | [Merge Apps](https://appshunter.io/developer/1253049593) |

## What reviewers say

### Marty the Robot V2

[App page](https://appshunter.io/ios/app/marty-the-robot-v2/id1501371495)

This app allows users to connect to a physical robot via Bluetooth, bringing it to life for interactive learning. It offers block-based coding to teach robotics, programming, and engineering concepts to children.

**Highlights:** Bluetooth robot connectivity, Block-based coding (Scratch-based), Robotics and engineering education, Interactive robot control, Teaching resources and lesson plans

**Features:** macOS Compatibility

**In-app purchases:** none


### 3D

[App page](https://appshunter.io/ios/app/3d-scanner/id6449950944)

Transform real-world objects into virtual 3D models for educational purposes. Capture artwork, artifacts, and everyday items to view in augmented reality or share digitally with others.

**Highlights:** Scan real-world objects into 3D models, Create virtual replicas, View scans in augmented reality, Share 3D creations, Integrates with Merge EDU, Add labels and descriptions

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Marty the Robot V2 free?

Marty the Robot V2 is free to download, with no in-app purchases.

### Is 3D free?

3D is free to download, with no in-app purchases.

### Do Marty the Robot V2 or 3D have ads?

Neither Marty the Robot V2 nor 3D shows ads.

### Which is updated more often, Marty the Robot V2 or 3D?

Marty the Robot V2 ships an update fortnightly, and 3D every 5 months. Most recently, Marty the Robot V2 was updated on November 3, 2026 and 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.*