# 智能驱鸟器 vs Buzz Off Shield

The clearest difference is ads: Buzz Off Shield at none against 智能驱鸟器's shown. Buzz Off Shield also leads on update cadence (every 3 weeks vs every 7 months). 智能驱鸟器's advantage is iOS requirement (9.0 vs 18.4). On price, 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.

智能驱鸟器 ships an update every 7 months, Buzz Off Shield every 3 weeks. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 智能驱鸟器 | Buzz Off Shield |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Size | 41 MB | 26 MB |
| Requires iOS | **9.0** | 18.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Wuxi He'ao Technology Co.,Ltd.](https://appshunter.io/developer/1281832675) | [Pochang Chen](https://appshunter.io/developer/1479221176) |

## What reviewers say

### 智能驱鸟器

[App page](https://appshunter.io/ios/app/id1484440375)

**In-app purchases:** none


### Buzz Off Shield

[App page](https://appshunter.io/ios/app/buzz-off-shield/id6745457381)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 智能驱鸟器 free?

智能驱鸟器 is free to download, with no in-app purchases.

### Is Buzz Off Shield free?

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

### Do 智能驱鸟器 or Buzz Off Shield have ads?

智能驱鸟器 shows ads; Buzz Off Shield does not.

### Which is updated more often, 智能驱鸟器 or Buzz Off Shield?

智能驱鸟器 ships an update every 7 months, and Buzz Off Shield every 3 weeks. Most recently, 智能驱鸟器 was updated on October 2, 2026 and Buzz Off Shield on October 8, 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.*