For startups looking for Subscription Billing, Aria Systems has two options. The first is our powerful & full featured Aria Billing Platform.
The second is Aria SubscriptionsPlus - this is Subscription Management on the PayPal platform. Unlimited customers, you can set up subscription / promotions / usage plans, the data is yours, and you can accept Credit Cards and PayPal. And yes, there is customer support. Pricing is free for the first 6 months, and after it's $40 plus any PayPal fees. More information: http://www.paypal.com/SubscriptionsPlus
The second is Aria SubscriptionsPlus - this is Subscription Management on the PayPal platform. Unlimited customers, you can set up subscription / promotions / usage plans, the data is yours, and you can accept Credit Cards and PayPal. And yes, there is customer support. Pricing is free for the first 6 months, and after it's $40 plus any PayPal fees. More information: http://www.paypal.com/SubscriptionsPlus