You get following features in contrast to the free version:
* Two weather data providers: OpenWeatherMap and Dark Sky (Forecast.io)
* Icons differentiating cloudiness degree and amount of rain and snow (with Dark Sky)
* Moon Phase (with Dark Sky)
* Optional feels-like temperature (with Dark Sky)
* Temperature and air pressure history is always filled (with Dark Sky)
* Additional icon for strong wind
Use your old android phone or tablet as a weather station. All you need is to install this app. The display stays always on and the content is automatically updated. You can see current weather, hourly forecasts for the day and daily forecasts for a week at a glance. Also you can see the temperature and the air pressure values of the last hours.
Icons from https://icons8.com were used in this app.