# Marty the Robot V2 vs Oti

The clearest difference is update cadence: Marty the Robot V2 at fortnightly against Oti's every 5 months. Marty the Robot V2 also leads on device support (3 vs 1). Oti's advantage is iOS requirement (13.0 vs 15.1). On price, 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, Oti every 5 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Marty the Robot V2 | Oti |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 months |
| Monetization | Free | — |
| Size | 130 MB | 32 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Robotical Ltd](https://appshunter.io/developer/1317775542) | [TTS Group Limited](https://appshunter.io/developer/500131642) |

## 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


### Oti

[App page](https://appshunter.io/ios/app/oti-bot/id1605747632)

**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 Oti free?

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

### Do Marty the Robot V2 or Oti have ads?

Neither Marty the Robot V2 nor Oti shows ads.

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

Marty the Robot V2 ships an update fortnightly, and Oti every 5 months. Most recently, Marty the Robot V2 was updated on November 3, 2026 and Oti on November 7, 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.*