# 恺宇 KAIYU vs LEGO® TECHNIC® AR

The clearest difference is rating: LEGO® TECHNIC® AR at 4.7 against 恺宇 KAIYU's 3.4. LEGO® TECHNIC® AR also leads on ratings volume (3.1K vs 5). 恺宇 KAIYU's advantage is update cadence (fortnightly vs every 2 months) and iOS requirement (9.0 vs 13.0). On price, review sentiment, 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.

LEGO® TECHNIC® AR holds the better App Store score, 4.7 against 3.4. That said, the two scores are not equally well evidenced: LEGO® TECHNIC® AR has 3.1K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 67% of 恺宇 KAIYU's written reviews are positive against 72% of LEGO® TECHNIC® AR's.

恺宇 KAIYU ships an update fortnightly, LEGO® TECHNIC® AR every 2 months. The most recent releases landed on November 13, 2026 and November 14, 2026 respectively.

## The numbers

| Metric | 恺宇 KAIYU | LEGO® TECHNIC® AR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (5 ratings)](https://appshunter.io/ios/app/kaiyu/id1512072697/reviews) | **[4.7 (3.1K ratings)](https://appshunter.io/ios/app/lego-technic-ar/id1593602183/reviews)** |
| Number of ratings | 5 | **3.1K** |
| Positive reviews | 66.7% of reviews | **72.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | Free |
| Size | 233 MB | 853 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [植川 马](https://appshunter.io/developer/1783803021) | [LEGO](https://appshunter.io/developer/347363505) |

## What reviewers say

### 恺宇 KAIYU

[App page](https://appshunter.io/ios/app/kaiyu/id1512072697)

This app offers diverse control methods for an engaging experience. Explore options like button remotes, gyroscope control, route drawing, voice commands, and custom graphical programming.

**Highlights:** Multiple control styles, Button remote, Gyroscope control, Route drawing, Voice command control, Custom graphical programming

**Features:** macOS Compatibility

**In-app purchases:** none


### LEGO® TECHNIC® AR

[App page](https://appshunter.io/ios/app/lego-technic-ar/id1593602183)

Enhance your LEGO Technic building experience with augmented reality. Interact with models through realistic simulations, games, and educational content. Explore vehicles and learn about engineering with interactive AR challenges.

**Highlights:** AR model interaction, Realistic sound effects, Robotics and engineering learning, Racing car simulations, Interactive mini-games, Life-size model viewing, X-ray view

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Jaw-dropping experience
- 👍 Realistic racing and AR
- 🤩 Amazing build experience
- 💡 Customizable and competitive
- 🤩 Immersive and engaging

**What reviewers complain about**

- 🐛 Scanning issues and glitches
- 🔋 Battery-intensive
- 🤔 Limited content and features
- 🤨 Unnecessary for some users

**Reported bugs**

- Freezing and crashing issues
- Inability to scan or detect models
- Glitchy track movement and positioning

**Requested features**

- More compatible LEGO sets
- Additional tracks and modes
- Offline or standalone gameplay
- Improved scanning and stability


## Frequently asked questions

### Is 恺宇 KAIYU free?

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

### Is LEGO® TECHNIC® AR free?

LEGO® TECHNIC® AR is free to download, with no in-app purchases.

### Which has better reviews, 恺宇 KAIYU or LEGO® TECHNIC® AR?

LEGO® TECHNIC® AR is rated higher. 恺宇 KAIYU averages 3.4 out of 5 from 5 ratings, while LEGO® TECHNIC® AR averages 4.7 from 3.1K ratings.

### Do 恺宇 KAIYU or LEGO® TECHNIC® AR have ads?

Neither 恺宇 KAIYU nor LEGO® TECHNIC® AR shows ads.

### Which is updated more often, 恺宇 KAIYU or LEGO® TECHNIC® AR?

恺宇 KAIYU ships an update fortnightly, and LEGO® TECHNIC® AR every 2 months. Most recently, 恺宇 KAIYU was updated on November 13, 2026 and LEGO® TECHNIC® AR on November 14, 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.*