# RaspIoTzero vs Robertt

The clearest difference is update cadence: Robertt at every 2 weeks against RaspIoTzero's every 12 months. Robertt also leads on iOS requirement (11.0 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

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

RaspIoTzero ships an update every 12 months, Robertt every 2 weeks. The most recent releases landed on September 29, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | RaspIoTzero | Robertt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (17 ratings)](https://appshunter.io/ios/app/robertt/id1473930784/reviews)** |
| Number of ratings | — | **17** |
| Positive reviews | — | 61.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 0 MB | 192 MB |
| Requires iOS | 18.6 | **11.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Atsushi Yamada](https://appshunter.io/developer/301497489) | [红 苗](https://appshunter.io/developer/1473580071) |

## What reviewers say

### RaspIoTzero

[App page](https://appshunter.io/ios/app/raspiotzero/id1240696141)

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

**In-app purchases:** none


### Robertt

[App page](https://appshunter.io/ios/app/robertt/id1473930784)

Control a robot named Robert via Bluetooth for various interactive functions. You can remotely operate its movements, make it sing and dance, and even create custom dance routines.

**Highlights:** Bluetooth connectivity, Remote control interface, Singing functionality, Dancing capabilities, Dance editing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RaspIoTzero free?

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

### Is Robertt free?

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

### Do RaspIoTzero or Robertt have ads?

Neither RaspIoTzero nor Robertt shows ads.

### Which is updated more often, RaspIoTzero or Robertt?

RaspIoTzero ships an update every 12 months, and Robertt every 2 weeks. Most recently, RaspIoTzero was updated on September 29, 2026 and Robertt on October 8, 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.*