# BuWizz vs HAPPY BUILD

The clearest difference is rating: BuWizz at 3.9 against HAPPY BUILD's 3.0. BuWizz also leads on review sentiment (43% vs 17%) and ratings volume (38 vs 7). HAPPY BUILD's advantage is update cadence (every 4 weeks vs every 3 months) and iOS requirement (9.0 vs 12.0). 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.

BuWizz holds the better App Store score, 3.9 against 3.0. That said, the two scores are not equally well evidenced: BuWizz has 38 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 43% of BuWizz's written reviews are positive against 17% of HAPPY BUILD's.

BuWizz ships an update every 3 months, HAPPY BUILD every 4 weeks. The most recent releases landed on October 18, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | BuWizz | HAPPY BUILD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (38 ratings)](https://appshunter.io/ios/app/buwizz/id1447211107/reviews)** | [3.0 (7 ratings)](https://appshunter.io/ios/app/happy-build/id1478354576/reviews) |
| Number of ratings | **38** | 7 |
| Positive reviews | **42.9% of reviews** | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Monetization | Free | Free |
| Size | 39 MB | 375 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BuWizz](https://appshunter.io/developer/1215830066) | [睦彬 王](https://appshunter.io/developer/1259740025) |

## What reviewers say

### BuWizz

[App page](https://appshunter.io/ios/app/buwizz/id1447211107)

This application enables remote control of LEGO models using a specialized brick. It connects via Bluetooth, offering enhanced speed and power for your creations. Control multiple motors and lights simultaneously for complex builds.

**Highlights:** Bluetooth connectivity, Controls up to 4 motors/LEDs, Programmable RGB LEDs (3.0 Pro), Supports Power Functions and Powered UP, Control multiple bricks simultaneously, Fast USB-C charging (3.0 Pro)

**Features:** macOS Compatibility

**In-app purchases:** none


### HAPPY BUILD

[App page](https://appshunter.io/ios/app/happy-build/id1478354576)

Control Xinyu Bluetooth toy cars with your mobile device. Offers multiple control methods like buttons, gyroscope, voice commands, and programming for varied play experiences.

**Highlights:** Bluetooth connectivity, Multiple control modes, Gyroscope control, Voice command control, Action programming

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

**In-app purchases:** none


## Frequently asked questions

### Is BuWizz free?

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

### Is HAPPY BUILD free?

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

### Which has better reviews, BuWizz or HAPPY BUILD?

BuWizz is rated higher. BuWizz averages 3.9 out of 5 from 38 ratings, while HAPPY BUILD averages 3.0 from 7 ratings.

### Do BuWizz or HAPPY BUILD have ads?

Neither BuWizz nor HAPPY BUILD shows ads.

### Which is updated more often, BuWizz or HAPPY BUILD?

BuWizz ships an update every 3 months, and HAPPY BUILD every 4 weeks. Most recently, BuWizz was updated on October 18, 2026 and HAPPY BUILD on October 1, 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.*