Zapro offers Free Trial, but Melio does not.
Melio is designed for Freelancers, Medium Business and Small Business.
Zapro is designed for Large Enterprises, Small Business and Medium Business.
Pricing for Melio Starts at $18.50/user/month when monthly whereas for Zapro Starts at $35.00per user / month when Billed Yearly.
Some top alternatives to Melio includes Precoro, AvidXchange, APXPRESS, Paypool, Bill.com, PayorCRM, Wave, WavePayroll and Plastiq.
Some top alternatives to Zapro includes and Precoro.