Vrain by Watec is a free Android app that lets users monitor rainfall levels in cities and provinces throughout Vietnam. With this app, viewers can check the rainfall levels at multiple stations in a province or city, as well as see rainfall levels in all cities and provinces with permission from the country admin.

One of the most useful features of Vrain is the ability to receive notifications for heavy rain. This feature helps users stay aware of any potential flooding in their area and allows them to take necessary precautions. Overall, Vrain is a simple yet effective app for anyone living in Vietnam who wants to stay informed about rainfall levels in their area.

Please note that if you need to contact the developer, you can send an email to Trường at