Yes, both Zapro and Ocerra offer a Free Trial.
Zapro is designed for Large Enterprises, Small Business and Medium Business.
Ocerra is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Zapro Starts at $35.00per user / month when Billed Yearly whereas for Ocerra Starts at $49/Month.
Some top alternatives to Zapro includes and Precoro.
Some top alternatives to Ocerra includes Precoro, AvidXchange, APXPRESS, Paypool, MineralTree Invoice-to-Pay, SutiAP, Bill.com, InvoiceWorks, Tipalti and Enverus OpenInvoice.