# Petoi vs KAI Robotics

The clearest difference is rating: Petoi at 4.5 against KAI Robotics's 3.6. Petoi also leads on review sentiment (60% vs 27%) and update cadence (every 4 months vs every 16 months). KAI Robotics's advantage is iOS requirement (12.0 vs 15.6). On price, ratings volume, 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.

Petoi holds the better App Store score, 4.5 against 3.6. Both are backed by a comparable volume of ratings — 13 and 12 respectively. Written reviews point the same way: 60% of Petoi's written reviews are positive against 27% of KAI Robotics's.

Petoi ships an update every 4 months, KAI Robotics every 16 months. The most recent releases landed on July 5, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Petoi | KAI Robotics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (13 ratings)](https://appshunter.io/ios/app/petoi/id1581548095/reviews)** | [3.6 (12 ratings)](https://appshunter.io/ios/app/kai-robotics/id6447761719/reviews) |
| Number of ratings | **13** | 12 |
| Positive reviews | **60.0% of reviews** | 27.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 16 months |
| Monetization | Free | Free |
| Size | 41 MB | 68 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Petoi LLC](https://appshunter.io/developer/1581548097) | [Franckh-Kosmos Verlags GmbH & Co. KG](https://appshunter.io/developer/375309682) |

## What reviewers say

### Petoi

[App page](https://appshunter.io/ios/app/petoi/id1581548095)

Configure and control your robot pet toys with this official app. Calibrate joints, perform pre-set actions, and create custom movements. Compatible with Bittle and Nybble robot pets.

**Highlights:** Easy joint calibration, Control robot movement and actions, Create custom robot commands, Share custom commands with community, Compatible with Bittle and Nybble robots

**In-app purchases:** none


### KAI Robotics

[App page](https://appshunter.io/ios/app/kai-robotics/id6447761719)

Build and control an AI robot using your device. Collect data, train the AI model with gestures and sounds, and then play with your robot. Offers remote control and customization options for the robot's LED display.

**Highlights:** Build an AI robot, Gesture recognition control, Sound recognition control, Train AI models, Offline data processing, Remote control mode, Customizable LED display

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Petoi free?

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

### Is KAI Robotics free?

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

### Which has better reviews, Petoi or KAI Robotics?

Petoi is rated higher. Petoi averages 4.5 out of 5 from 13 ratings, while KAI Robotics averages 3.6 from 12 ratings.

### Do Petoi or KAI Robotics have ads?

Neither Petoi nor KAI Robotics shows ads.

### Which is updated more often, Petoi or KAI Robotics?

Petoi ships an update every 4 months, and KAI Robotics every 16 months. Most recently, Petoi was updated on July 5, 2026 and KAI Robotics on September 11, 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.*