Popular alternatives include billwerk, Subill, MYFUNDBOX Subscription, BillingPlatform and Zenskar.
Key factors include Multi-Currency, Customizable Invoices, Hourly Billing, Mobile Payments, Online Invoicing and pricing.
Tools like Invoice2go, AND.CO, BillQuick, Invoicera and OneBill are best for small businesses for Billing and Invoicing Software.