# 台风来了 vs 51知灾害

The clearest difference is review sentiment: 台风来了 at 50% against 51知灾害's 0%. 台风来了 also leads on update cadence (every 2 months vs every 4 months). 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.

台风来了 ships an update every 2 months, 51知灾害 every 4 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 台风来了 | 51知灾害 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | — | Free |
| Size | 9 MB | 53 MB |
| Requires iOS | 10.1 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [学锋 徐](https://appshunter.io/developer/799190844) | [钦荣 翁](https://appshunter.io/developer/1278827536) |

## What reviewers say

### 台风来了

[App page](https://appshunter.io/ios/app/id825460507)

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

**In-app purchases:** none


### 51知灾害

[App page](https://appshunter.io/ios/app/51/id1592935902)

This application provides comprehensive professional service modules. It has been comprehensively upgraded to offer enhanced functionality and user experience.

**Highlights:** Comprehensive professional service modules, Upgraded functionality, Enhanced user experience, Weather information services

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

**In-app purchases:** none


## Frequently asked questions

### Is 台风来了 free?

台风来了 is free to download, with no in-app purchases.

### Is 51知灾害 free?

51知灾害 is free to download, with no in-app purchases.

### Do 台风来了 or 51知灾害 have ads?

Neither 台风来了 nor 51知灾害 shows ads.

### Which is updated more often, 台风来了 or 51知灾害?

台风来了 ships an update every 2 months, and 51知灾害 every 4 months. Most recently, 台风来了 was updated on October 23, 2026 and 51知灾害 on October 24, 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.*