Ranked in these QuestionsQuestion Ranking
Pro Fingerprint authentication adds secondary authentication without requiring to remember anything
Fingerprint authentication adds secondary authentication before a transaction can be initiated. Additionally, it makes sure that nothing get's bought by accident and doesn't require remembering anything such as a password or a pin to use.
Pro The most widely used option
Apple Pay is used more than all of the competition combined.
Pro No credit card information is stored on Apple's devices or servers (except during setup)
Apple avoids any contact with real credit card information, except during setup at which point all information is handled carefully using encryption throughout the process.
Pro Actual credit card number is obfuscated through Tokenization
Con Works only with iPhone 6 or later
Apple Pay is compatible only with iPhones and only those that include an NFC and Secure Element chips which currently is only iPhone 6 and iPhone 6 Plus.