Zimbra Cloud offers Free Trial, but Appriver does not.
Appriver is designed for Large Enterprises and Medium Business.
Zimbra Cloud is designed for Large Enterprises, Medium Business and Small Business.
Pricing details for both Appriver and Zimbra Cloud are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to Appriver includes ZixEncrypt, Paubox Encrypted Email, Proofpoint Email Encryption, Echoworx, Zimbra Cloud, Censornet Email, Sealit, Proofpoint Digital Compliance, Trellix Email Security and MimeCast Email Security.
Some top alternatives to Zimbra Cloud includes CollaborateCloud, Zoho Connect, Zoho Cliq, Airtable, ClickUp, Zimbra Collaboration, Teamwork CRM, ZeyOS, Zapmail, Desktop.com and Consider.