# Circuit Cubes vs KAI Robotics

The clearest difference is update cadence: Circuit Cubes at monthly against KAI Robotics's every 16 months. Circuit Cubes also leads on review sentiment (42% vs 27%) and ratings volume (57 vs 12). KAI Robotics's advantage is rating (3.6 vs 3.4) and iOS requirement (12.0 vs 15.0). 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.

KAI Robotics holds the better App Store score, 3.6 against 3.4. Both are backed by a comparable volume of ratings — 57 and 12 respectively. Written reviews complicate that: 42% of Circuit Cubes's written reviews are positive against 27% of KAI Robotics's, so the app with the better star average is not the one people write more warmly about.

Circuit Cubes ships an update monthly, KAI Robotics every 16 months. The most recent releases landed on September 9, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Circuit Cubes | KAI Robotics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (57 ratings)](https://appshunter.io/ios/app/circuit-cubes/id1530623322/reviews) | **[3.6 (12 ratings)](https://appshunter.io/ios/app/kai-robotics/id6447761719/reviews)** |
| Number of ratings | **57** | 12 |
| Positive reviews | **42.1% of reviews** | 27.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 16 months |
| Monetization | Free | Free |
| Size | 145 MB | 68 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tenka Inc](https://appshunter.io/developer/1530623324) | [Franckh-Kosmos Verlags GmbH & Co. KG](https://appshunter.io/developer/375309682) |

## What reviewers say

### Circuit Cubes

[App page](https://appshunter.io/ios/app/circuit-cubes/id1530623322)

Add power, motion, and light to toys with electronic building blocks. Control creations with various modes or basic programming. Compatible with major brick brands and includes kit instructions.

**Highlights:** Add power, motion, and light, Compatible with major brick brands, Control creations via app modes, Basic programming interface, Includes kit instructions, Save custom builds

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

**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 Circuit Cubes free?

Circuit Cubes 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, Circuit Cubes or KAI Robotics?

KAI Robotics is rated higher. Circuit Cubes averages 3.4 out of 5 from 57 ratings, while KAI Robotics averages 3.6 from 12 ratings.

### Do Circuit Cubes or KAI Robotics have ads?

Neither Circuit Cubes nor KAI Robotics shows ads.

### Which is updated more often, Circuit Cubes or KAI Robotics?

Circuit Cubes ships an update monthly, and KAI Robotics every 16 months. Most recently, Circuit Cubes was updated on September 9, 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.*