Notifications can be handy. Managing all the apps needed to get them is a hassle. Hooks is here to help. This app offers over 100 different "channels" for custom alerts, including everything from sports scores by team and Flickr updates by user to TV show airings, temperature drops, and even when a website goes down. In total, you have access to over one million different alerts, all manageable in a clean interface. It'll also work with the Apple Watch, so you won't need to get out your phone to know when your favorite company's stock takes a dive.