WeatherOnline Free is a weather app that provides worldwide city forecasts and weather maps for Android users. The app offers a range of features, including the ability to choose units for temperature, distance, and gust. Users can also set the update period for city forecasts and radar images, with radar images available for the United Kingdom, Ireland, France, Netherlands, Belgium, Germany, Spain, USA, and Australia. The app also includes various views, such as radar loops, surface pressure maps, and 3-day forecasts.

One limitation of the Free Version is that it contains advertisements, and radar images are delayed by 1 hour. Additionally, users are limited to one forecast location. However, the app provides local time at the forecast location, while all other times are according to the preset time for the device. Overall, WeatherOnline Free is a reliable and accessible weather app for Android users.