# FactoryTest工厂测试 vs Buzz

The clearest difference is update cadence: Buzz at every 6 days against FactoryTest工厂测试's monthly. On price, ads, in-app purchases and device support there is nothing between them.

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

FactoryTest工厂测试 ships an update monthly, Buzz every 6 days. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | FactoryTest工厂测试 | Buzz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/factorytest/id1403753765/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 6 days** |
| Monetization | Free | — |
| Size | 38 MB | 237 MB |
| Requires iOS | 13.0 | 13 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Ultra Easy Technology Co., Ltd.](https://appshunter.io/developer/958871192) | [金 冯](https://appshunter.io/developer/1374217639) |

## What reviewers say

### FactoryTest工厂测试

[App page](https://appshunter.io/ios/app/factorytest/id1403753765)

This utility app is designed for testing Bluetooth devices. It supports devices compatible with Bluetooth protocols and aims for optimization based on user feedback for non-compatible devices.

**Highlights:** Bluetooth device testing, Protocol compatibility check, User feedback optimization, Supports iPhone, iPad, iPod

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

**In-app purchases:** none


### Buzz

[App page](https://appshunter.io/ios/app/buzz-tech/id6787866891)

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

**In-app purchases:** none


## Frequently asked questions

### Is FactoryTest工厂测试 free?

FactoryTest工厂测试 is free to download, with no in-app purchases.

### Is Buzz free?

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

### Do FactoryTest工厂测试 or Buzz have ads?

Neither FactoryTest工厂测试 nor Buzz shows ads.

### Which is updated more often, FactoryTest工厂测试 or Buzz?

FactoryTest工厂测试 ships an update monthly, and Buzz every 6 days. Most recently, FactoryTest工厂测试 was updated on October 8, 2026 and Buzz on October 5, 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.*