# 宝技安防 vs LianHai

The clearest difference is ads: LianHai at none against 宝技安防's shown. 宝技安防's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, 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.

宝技安防 ships an update every 3 months, LianHai every 2 months. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 宝技安防 | LianHai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id6449997363/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 5.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 264 MB | 46 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [娟 李](https://appshunter.io/developer/1566978737) | [Dalian Xinyi Technology Co., Ltd.](https://appshunter.io/developer/1063909221) |

## What reviewers say

### 宝技安防

[App page](https://appshunter.io/ios/app/id6449997363)

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

**In-app purchases:** none


### LianHai

[App page](https://appshunter.io/ios/app/lianhai/id6758123592)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 宝技安防 free?

宝技安防 is free to download, with no in-app purchases.

### Is LianHai free?

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

### Do 宝技安防 or LianHai have ads?

宝技安防 shows ads; LianHai does not.

### Which is updated more often, 宝技安防 or LianHai?

宝技安防 ships an update every 3 months, and LianHai every 2 months. Most recently, 宝技安防 was updated on October 22, 2026 and LianHai on October 25, 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.*