# 智慧水务 vs 海豚卫士

The clearest difference is update cadence: 智慧水务 at every 3 weeks against 海豚卫士's every 12 months. 海豚卫士's advantage is iOS requirement (9.0 vs 13.0). 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.

智慧水务 ships an update every 3 weeks, 海豚卫士 every 12 months. The most recent releases landed on September 28, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 智慧水务 | 海豚卫士 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 12 months |
| Size | 25 MB | 95 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [前刚 季](https://appshunter.io/developer/1094742947) | [福建四创软件有限公司](https://appshunter.io/developer/539380136) |

## What reviewers say

### 智慧水务

[App page](https://appshunter.io/ios/app/znhawk/id1483162596)

**Features:** macOS Compatibility

**In-app purchases:** none


### 海豚卫士

[App page](https://appshunter.io/ios/app/id1522401648)

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

**In-app purchases:** none


## Frequently asked questions

### Is 智慧水务 free?

智慧水务 is free to download, with no in-app purchases.

### Is 海豚卫士 free?

海豚卫士 is free to download, with no in-app purchases.

### Do 智慧水务 or 海豚卫士 have ads?

Neither 智慧水务 nor 海豚卫士 shows ads.

### Which is updated more often, 智慧水务 or 海豚卫士?

智慧水务 ships an update every 3 weeks, and 海豚卫士 every 12 months. Most recently, 智慧水务 was updated on September 28, 2026 and 海豚卫士 on October 27, 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.*