Hopper is a travel app that not only provides users with discounted hotel bookings, but also offers a referral program that provides discounts on future bookings. By using a unique Hopper Referral Code, users can save $25 on their first hotel booking. The code can be used at any hotel associated with Hopper’s partnered hotels. Hopper also offers a price prediction feature for flights and bundled hotel and flight packages to help users save even more money on their travels. Additionally, users can earn discounts on their future bookings by sharing the app with friends and family through the referral program. Hopper is an all-in-one app that saves users both time and money on their travel plans with its user-friendly interface and numerous features.