Neither FaxZero nor Genius Fax offers a free trial.
FaxZero is designed for Individuals and Small Business.
Genius Fax is designed for Large Enterprises, Medium Business and Small Business.
Pricing for FaxZero Starts at $1.99 whereas for Genius Fax Starts at $0.99per page.
Some top alternatives to FaxZero includes Nextiva, HelloFax, eFax, OpenText RightFax Fax Server, MyFax, FAX.PLUS, Genius Fax, PamFax, Fax Rocket, Fax.to and iFax.
Some top alternatives to Genius Fax includes Nextiva, HelloFax, eFax, MyFax, FaxZero, FAX.PLUS, PamFax, Fax Rocket, Fax.to, Jotnot Fax and iFax.