Amazon FPS vs Fusebill: What are the differences?

Amazon FPS: Charge Amazon’s tens of millions of customers using their Amazon account. With Amazon Flexible Payments Service developers can accept payments on their website for selling goods or services, raise donations, execute recurring payments, and send payments. Amazon customers can pay using the same login credentials, shipping address and payment information they already have on file with Amazon. Amazon FPS supports the processing of payments using credit cards, bank accounts and Amazon Payments account balances to send or receive money; Fusebill: Automated invoicing, billing and collections for subscription based companies. Subscription billing and management software. Fusebill simplifies your recurring billing and collections by eliminating manual processes.

Amazon FPS and Fusebill can be categorized as "Payment Services" tools.