The Maximum Rewards ® World Mastercard ® is a personal credit card from Maximum Rewards ® World Mastercard ®. Application typically pulls a hard report from Experian. The annual fee is null. The ongoing APR is null after a null introductory rate. Approval typically requires a credit score of null or higher. Signup bonus: null. Rewards: Earn on your own terms. Every day. Get rewarded every single purchase—no tracking necessary.. Cash back: null.