Agoda YCS for hotels only - Agoda YCS for hotels only is a traveling app that comes up with features to help users in minimizing their hotel booking efforts by providing them with a large number of choices all around the globe.
Paribus - Find out for free if online stores owe you a refund!
Gopher - Better hotel deals automatically, every time + cash back
Lolli - Earn bitcoin when you shop online
HotelTonight Escape - The best getaway deals for tonight (or the weekend)
Earny.co - Win prizes on Amazon purchases