Klarna

Klarna is a mobile application that provides 'shop now, pay later' services. It allows users to manage their purchases, upcoming payments, and outstanding balances. The app also sends push notifications for payment reminders.

Klarna is a 'buy now, pay later' service, which inherently involves payment processing and managing payment schedules, aligning with 'payment-processing' and 'billing-subscription-management'. The app description mentions managing payments and overviews of purchases, further supporting this classification.