# 地震预警中心 vs Tutor

The clearest difference is in-app purchases: 地震预警中心 at none against Tutor's 2. 地震预警中心 also leads on device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

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

## The numbers

| Metric | 地震预警中心 | Tutor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/id1471976940/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 45.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Size | 6 MB | 5 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [玺鑫 王](https://appshunter.io/developer/1063226587) | [AURORA PROMISE GLOBAL TRADING LIMITED](https://appshunter.io/developer/1696037710) |

## What reviewers say

### 地震预警中心

[App page](https://appshunter.io/ios/app/id1471976940)

**Features:** macOS Compatibility

**In-app purchases:** none


### Tutor

[App page](https://appshunter.io/ios/app/tutor/id6758365563)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly All-Access | $4.99 | per 7 days |
| Yearly All-Access | $39.99 | per year |


## Frequently asked questions

### Is 地震预警中心 free?

地震预警中心 is free to download, with no in-app purchases.

### Is Tutor free?

Tutor is free to download, with in-app purchases available.

### Do 地震预警中心 or Tutor have ads?

Neither 地震预警中心 nor Tutor shows ads.

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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.*