Ecowitt is a free weather app available on Android 9.0 developed by Shenzhen Fine Offset Electronics Co.Ltd. It is a comprehensive app that provides users with professional wifi weather station, wireless indoor outdoor thermometers, humidity monitors, high precision rain gauges, air quality monitors, and more.

With Ecowitt, users can access real-time weather information and forecasts for their location. The app's user-friendly interface allows users to easily navigate through its features. Users can also customize the app's settings to suit their preferences. The app provides data service support, which enables users to access accurate and up-to-date weather information.

Overall, Ecowitt is a must-have app for Android users who want to stay informed about the weather conditions in their area. The app's features and accuracy make it a reliable source of weather information.