地震预警 is a free iPhone application developed by Chengdu Meihuan Technology Co. Ltd. It provides advance warning of earthquakes, ranging from a few seconds to several tens of seconds, specifically for areas affected by seismic waves. This app allows users to report post-disaster situations for accurate rescue operations. It also offers one-click sharing to various social media platforms such as WeChat, Weibo, and mobile contacts. With a comprehensive range of features and optimized services, 地震预警 aims to provide timely and reliable earthquake alerts.

The main features of 地震预警 include:

1. Instant earthquake alert notifications.

2. Countdown, sound, and vibration alerts based on the warning information to remind users to take proper earthquake safety measures.

3. Registration, login, and password recovery functions.

4. Access to historical earthquake alert records.

5. Playback of historical earthquake alert records.

6. Manual update of historical earthquake alert records.

7. Display of epicenter location on a map.

8. Customizable earthquake alert receiving strategies.

9. QR code for downloading earthquake alert receiving software on mobile devices.

10. Push notifications for new version updates.

11. Feedback and suggestions feature.

12. Frequently asked questions search function.

13. Earthquake alert education and awareness.

14. The service provided by this app is free of charge.

Please note that 地震预警 is developed independently by Chengdu Meihuan Technology Co. Ltd. and all intellectual property rights and ownership of this software belong to Chengdu Meihuan Technology Co. Ltd.