The ESB Electric Ireland app now on the market is neat app that calculates energy use of various household appliances and also gives details on energy guzzlers, it can be used to calculate your bill approximately by selected all the appliances you use in your household such as lights, fridge, cooker, TV and PC, etc.
There are also options for comparison of different ways of using devices, such cooking and laundry appliances. The app can also calculate gas usage.
