# FAST智能预警 vs 宁水智云

The clearest difference is ads: 宁水智云 at none against FAST智能预警's shown. FAST智能预警's advantage is iOS requirement (12.0 vs 16.4). 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.

FAST智能预警 ships an update monthly, 宁水智云 every 3 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | FAST智能预警 | 宁水智云 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 74 MB | 92 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [杭州山科智能科技股份有限公司](https://appshunter.io/developer/1785810006) | [杭州云润科技有限公司](https://appshunter.io/developer/1551581853) |

## What reviewers say

### FAST智能预警

[App page](https://appshunter.io/ios/app/fast/id1668965595)

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

**In-app purchases:** none


### 宁水智云

[App page](https://appshunter.io/ios/app/id6774075060)

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

**In-app purchases:** none


## Frequently asked questions

### Is FAST智能预警 free?

FAST智能预警 is free to download, with no in-app purchases.

### Is 宁水智云 free?

宁水智云 is free to download, with no in-app purchases.

### Do FAST智能预警 or 宁水智云 have ads?

FAST智能预警 shows ads; 宁水智云 does not.

### Which is updated more often, FAST智能预警 or 宁水智云?

FAST智能预警 ships an update monthly, and 宁水智云 every 3 weeks. Most recently, FAST智能预警 was updated on November 3, 2026 and 宁水智云 on November 4, 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.*