Billtrust is described as 'From its inception, Billtrust has believed the potential of the billing process was undervalued and under-recognized as a core strategic business component. The technologies and initiatives Billtrust deploys help businesses move billing from the back office to a strategic weapon' and is a Money Transfer service in the business & commerce category. There are more than 10 alternatives to Billtrust, not only websites but also apps for iPhone, SaaS, iPad and Android. The best Billtrust alternative is Bill.com. It's not free, so if you're looking for a free alternative, you could try Melio or TIO MobilePay. Other great sites and apps similar to Billtrust are MoonClerk, Paymetric, RentMoola and Credorax.