# Evo by Ozobot vs KAI Robotics

The clearest difference is rating: Evo by Ozobot at 4.6 against KAI Robotics's 3.6. Evo by Ozobot also leads on review sentiment (66% vs 27%) and update cadence (every 2 months vs every 16 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Evo by Ozobot holds the better App Store score, 4.6 against 3.6. That said, the two scores are not equally well evidenced: Evo by Ozobot has 1.1K ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 66% of Evo by Ozobot's written reviews are positive against 27% of KAI Robotics's.

Evo by Ozobot ships an update every 2 months, KAI Robotics every 16 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Evo by Ozobot | KAI Robotics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (1.1K ratings)](https://appshunter.io/ios/app/evo-by-ozobot/id1145978152/reviews)** | [3.6 (12 ratings)](https://appshunter.io/ios/app/kai-robotics/id6447761719/reviews) |
| Number of ratings | **1.1K** | 12 |
| Positive reviews | **66.0% of reviews** | 27.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 16 months |
| Monetization | Free | Free |
| Size | 239 MB | 68 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Evollve, Inc.](https://appshunter.io/developer/910831870) | [Franckh-Kosmos Verlags GmbH & Co. KG](https://appshunter.io/developer/375309682) |

## What reviewers say

### Evo by Ozobot

[App page](https://appshunter.io/ios/app/evo-by-ozobot/id1145978152)

This app serves as a companion for learning and creating with a robot companion. It provides access to coding tools, classroom resources, and support to maximize the robot's capabilities for educational and home use.

**Highlights:** Learn with robot companion, Create with robot companion, Connect with robot companion, Ozobot Blockly access, Classroom resources, FAQs and support

**In-app purchases:** none

**What reviewers like**

- 🤩 Fun and engaging app
- 👍 User-friendly interface
- 💡 Innovative features like Ozoblockly programming
- 🤖 Great for learning about robotics and coding

**What reviewers complain about**

- 🐛 Frequent app crashes and bugs
- 🔧 Stripped of many features after recent update
- 🔋 Poor battery life for the Ozobot Evo
- 📱 Connectivity issues with the app and Ozobot

**Reported bugs**

- Firmware update bricking Ozobot devices
- Inability to connect and calibrate Ozobot with the app
- Saved programs not working after app updates

**Requested features**

- Bring back removed features like customization, tricks, and accounts
- Add battery percentage indicator for Ozobot Evo
- Improve app navigation and make key functions more accessible
- Expand programming and coding capabilities


### 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 Evo by Ozobot free?

Evo by Ozobot 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, Evo by Ozobot or KAI Robotics?

Evo by Ozobot is rated higher. Evo by Ozobot averages 4.6 out of 5 from 1.1K ratings, while KAI Robotics averages 3.6 from 12 ratings.

### Do Evo by Ozobot or KAI Robotics have ads?

Neither Evo by Ozobot nor KAI Robotics shows ads.

### Which is updated more often, Evo by Ozobot or KAI Robotics?

Evo by Ozobot ships an update every 2 months, and KAI Robotics every 16 months. Most recently, Evo by Ozobot was updated on October 21, 2026 and KAI Robotics on October 24, 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.*