# HAPPY BUILD vs QYBlock

The clearest difference is rating: QYBlock at 4.0 against HAPPY BUILD's 3.0. HAPPY BUILD's advantage is ratings volume (7 vs 1) and iOS requirement (9.0 vs 11.0). On price, update cadence, 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.

QYBlock holds the better App Store score, 4.0 against 3.0. That said, the two scores are not equally well evidenced: HAPPY BUILD has 7 ratings behind it against 1, so its average is the more settled of the two.

HAPPY BUILD ships an update every 4 weeks, QYBlock monthly. The most recent releases landed on August 3, 2026 and June 16, 2026 respectively.

## The numbers

| Metric | HAPPY BUILD | QYBlock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (7 ratings)](https://appshunter.io/ios/app/happy-build/id1478354576/reviews) | **[4.0 (1 ratings)](https://appshunter.io/ios/app/qyblock/id1514773236/reviews)** |
| Number of ratings | **7** | 1 |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Monthly |
| Monetization | Free | Free |
| Size | 375 MB | 260 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [睦彬 王](https://appshunter.io/developer/1259740025) | [Guangdong Qunyu Interactive Technology Co.,Ltd.](https://appshunter.io/developer/1019985641) |

## What reviewers say

### 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

**In-app purchases:** none


### QYBlock

[App page](https://appshunter.io/ios/app/qyblock/id1514773236)

Engage in group programming with custom control for lighting and motors. Experience unique fun through graphical programming gameplay.

**Highlights:** Group programming, Custom lighting control, Motor master control, Graphical programming gameplay, Interactive fun

**In-app purchases:** none


## Frequently asked questions

### Is HAPPY BUILD free?

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

### Is QYBlock free?

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

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

QYBlock is rated higher. HAPPY BUILD averages 3.0 out of 5 from 7 ratings, while QYBlock averages 4.0 from 1 ratings.

### Do HAPPY BUILD or QYBlock have ads?

Neither HAPPY BUILD nor QYBlock shows ads.

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

HAPPY BUILD ships an update every 4 weeks, and QYBlock monthly. Most recently, HAPPY BUILD was updated on August 3, 2026 and QYBlock on June 16, 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.*