Monetization and acquiring a small service

Hi, Habr!

Familiar interest which is simpler, faster and more reliable payment system bolted to the site to receive payments for the purchase of a small plaginchika to Photoshop.

Please tell me that it is better to choose? The main requirement - must accept international payments for people who are able to pay for a card. There is a legal entity (LLC).

Naturally interested in your experience in this matter.