# 阿尔法系统 vs 360安全龙虾

The clearest difference is in-app purchases: 阿尔法系统 at none against 360安全龙虾's 20. 阿尔法系统 also leads on device support. On price, update cadence and iOS requirement there is nothing between them.

Both are free to download. 360安全龙虾 sells 17 in-app purchases, starting at $14.99 per month. 阿尔法系统 asks for nothing beyond the download.

阿尔法系统 ships an update every 8 days, 360安全龙虾 weekly. The most recent releases landed on October 2, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | 阿尔法系统 | 360安全龙虾 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Every 8 days | **Weekly** |
| Size | 66 MB | 94 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | **iPhone, iPod** | — |
| Age rating | 9+ | 17+ |
| Developer | [深圳市硕赢互动信息技术有限公司](https://appshunter.io/developer/1676430309) | [Beijing Qihoo Technology Co Ltd](https://appshunter.io/developer/441216575) |

## What reviewers say

### 阿尔法系统

[App page](https://appshunter.io/ios/app/id6446170604)

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

**In-app purchases:** none


### 360安全龙虾

[App page](https://appshunter.io/ios/app/360/id6760701834)

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 专业版会员连续包月-500豆 | $14.99 | per month |
| 1个月 | $9.99 | one-time |
| 专业版月卡会员 | $17.99 | one-time |
| 1个月 | $19.99 | one-time |
| 1个月 | $24.99 | one-time |
| 3个月 | $29.99 | one-time |
| 专业版月卡会员 | $34.99 | one-time |
| 3个月 | $34.99 | one-time |
| 高级版月卡会员 | $39.99 | one-time |
| 专业版季卡会员 | $39.99 | one-time |
| 专业版季卡会员 | $99.99 | one-time |
| 高级版季卡会员 | $99.99 | one-time |
| 专业版年卡会员 | $149.99 | one-time |
| 1000算力豆 | $149.99 | one-time |
| 专业版年卡会员 | $299.99 | one-time |
| 高级版年卡会员 | $399.99 | one-time |
| 50000算力豆 | $699.99 | one-time |


## Frequently asked questions

### Is 阿尔法系统 free?

阿尔法系统 is free to download, with no in-app purchases.

### Is 360安全龙虾 free?

360安全龙虾 is free to download, with in-app purchases available.

### Which is updated more often, 阿尔法系统 or 360安全龙虾?

阿尔法系统 ships an update every 8 days, and 360安全龙虾 weekly. Most recently, 阿尔法系统 was updated on October 2, 2026 and 360安全龙虾 on September 20, 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.*