This app is the barometer for the internet, telling you how major websites and services are faring. Down detector monitors ISPs, Mobile network providers, airlines, public transport, banks and other online services. As a user of the service, you can also add to the information with reports of services down for you. This is a fantastic way of knowing if it is just you or there is a problem with your network. There are direct links to the places you can get some support, on the services websites and social media channels. You can also select your favourites, so you can see instantly how many reports are in.  Read other contributors reports and write your own.