# 智能守护3 vs 地震灾害预警

The clearest difference is in-app purchases: 智能守护3 at none against 地震灾害预警's 4. 智能守护3 also leads on iOS requirement (9.0 vs 17.6). 地震灾害预警's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. 地震灾害预警 sells 4 in-app purchases, starting at $0.99 per 7 days. 智能守护3 asks for nothing beyond the download.

智能守护3 ships an update every 2 months, 地震灾害预警 every 2 weeks. The most recent releases landed on October 20, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 智能守护3 | 地震灾害预警 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/3/id1124831603/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 25 MB | 14 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [俊豪 霍](https://appshunter.io/developer/952940386) | [玉良 刘](https://appshunter.io/developer/1726127567) |

## What reviewers say

### 智能守护3

[App page](https://appshunter.io/ios/app/3/id1124831603)

This app helps you stay connected with loved ones by providing real-time location tracking, voice messaging, and remote assistance features. It allows you to create family groups, set reminders, and monitor device activity for a more connected lifestyle.

**Highlights:** Real-time location tracking, Voice messaging, Remote assistance, Scheduled reminders, Electronic fence alerts, 24-hour activity history, Call harassment prevention

**Features:** macOS Compatibility

**In-app purchases:** none


### 地震灾害预警

[App page](https://appshunter.io/ios/app/id6602889988)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包周 | $0.99 | per 7 days |
| 连续包月 | $3.99 | per month |
| 连续包季 | $7.99 | per 3 months |
| 连续包年 | $14.99 | per year |


## Frequently asked questions

### Is 智能守护3 free?

智能守护3 is free to download, with no in-app purchases.

### Is 地震灾害预警 free?

地震灾害预警 is free to download, with in-app purchases available.

### Do 智能守护3 or 地震灾害预警 have ads?

Neither 智能守护3 nor 地震灾害预警 shows ads.

### Which is updated more often, 智能守护3 or 地震灾害预警?

智能守护3 ships an update every 2 months, and 地震灾害预警 every 2 weeks. Most recently, 智能守护3 was updated on October 20, 2026 and 地震灾害预警 on October 6, 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.*