Hotel Tonight is offering a FREE $40 credit, that can be used for your booking of choice for a limited time. To get this deal, sign up for a Hotel Tonight account, it’s FREE. Then download their mobile app from the Amazon AppStore for Android, which is also FREE. Login to your account and enter the code: AMAZON40 for your $40 credit.

Hotel Tonight offers last-minute deals (same day stays) on hotels with discounts up to 70% in in 24 cities, 12 more cities coming soon.