At Uber, sign up for a new account and receive your first ride for free. (Limit up to $15.) With Uber, one tap and a car comes directly to you. Your driver knows exactly where to go, and payment is completely cashless.
Sixt takes up to 10% offrentals worldwide. (A minimum rental period may be required.) This discount applies to rentals from over 4,000 branches in over 100 countries. Fees, insurance, and taxes are additional. Book this travel deal by December 31 for rentals throughout 2016.
For new users, Lyft offers $5 off per ride for up to seven rides ($35 off total) via coupon code "BALLOON15" or "BALLOON20". That's the best offer we've seen from this ride-finding app. It can be used for up to seven rides.