Visa and MasterCard are not both credit cards. Visa and MasterCard may also be debit cards. The introduction of visa card and MasterCard is as follows:

1. Visa card is a credit card issued by Visa International in 1982, while MasterCard was issued in 1966 Founded in the United States.

2. Visa cards are more popular in the United States and Asia, while MasterCard is more popular in European countries.

3. MasterCard card numbers usually start with 5, while Visa card numbers usually start with 4.