# 地震预警 vs MellFlow

The clearest difference is in-app purchases: MellFlow at none against 地震预警's 3. 地震预警's advantage is iOS requirement (13.0 vs 16.0). On price there is nothing between them.

Both are free to download. 地震预警 sells 3 in-app purchases, starting at $9.99 per month. MellFlow asks for nothing beyond the download.

## The numbers

| Metric | 地震预警 | MellFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | — | No |
| Update frequency | — | Every 4 days |
| Size | 21 MB | 5 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | — | **iPhone** |
| Age rating | 17+ | 4+ |
| Developer | [安慧 刘](https://appshunter.io/developer/1716870183) | [Perumal Sanjay](https://appshunter.io/developer/1857968845) |

## What reviewers say

### 地震预警

[App page](https://appshunter.io/ios/app/and/id6474590177)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月享会员 | $9.99 | per month |
| 季享会员 | $29.99 | per 3 months |
| 年享会员 | $39.99 | per year |


### MellFlow

[App page](https://appshunter.io/ios/app/mellflow/id6756016816)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 地震预警 free?

地震预警 is free to download, with in-app purchases available.

### Is MellFlow free?

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

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*