# HN可视门铃 vs 地震预警

The clearest difference is in-app purchases: HN可视门铃 at none against 地震预警's 2. HN可视门铃 also leads on iOS requirement (8.0 vs 13.0). 地震预警's advantage is update cadence (every 4 days vs every 12 months). On price, ads and device support there is nothing between them.

Both are free to download. 地震预警 sells 2 in-app purchases, starting at $4.99 per 7 days. HN可视门铃 asks for nothing beyond the download.

HN可视门铃 ships an update every 12 months, 地震预警 every 4 days. The most recent releases landed on October 1, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | HN可视门铃 | 地震预警 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 4 days** |
| Size | 40 MB | 12 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hunuo Network Technology Co. Ltd.](https://appshunter.io/developer/976006506) | [从兵 马](https://appshunter.io/developer/1696530023) |

## What reviewers say

### HN可视门铃

[App page](https://appshunter.io/ios/app/hn/id1449826631)

**Features:** macOS Compatibility

**In-app purchases:** none


### 地震预警

[App page](https://appshunter.io/ios/app/id6466252173)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周订阅会员 | $4.99 | per 7 days |
| 月订阅会员 | $9.99 | per month |


## Frequently asked questions

### Is HN可视门铃 free?

HN可视门铃 is free to download, with no in-app purchases.

### Is 地震预警 free?

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

### Do HN可视门铃 or 地震预警 have ads?

Neither HN可视门铃 nor 地震预警 shows ads.

### Which is updated more often, HN可视门铃 or 地震预警?

HN可视门铃 ships an update every 12 months, and 地震预警 every 4 days. Most recently, HN可视门铃 was updated on October 1, 2026 and 地震预警 on October 14, 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.*