American Express Ranks No. 1 in the J.D.
1. AXP ranked #1 in J.D. Power's mobile app satisfaction study again. 2. Fifth year leading in customer satisfaction for mobile app effectiveness. 3. AXP mobile app usage increased by 8% over the past year. 4. Continued investment in digital experience yields high customer satisfaction ratings. 5. AXP also ranked #1 in consumer lending and small business credit card satisfaction.