Great Tool For Watching Prices – Hopper: Flights, Hotels & Cars Review

I used this app on a US to UK flight, and it's prediction features saved me probably $800. I didn't book through the app, but it's a wonderful trip planning tool! Only 4 stars because I didn't book through the app.
Review by jfklasjfaksl;dfa on Hopper: Flights, Hotels & Cars.