G Suite is a brand of cloud computing, productivity and collaboration tools, software and products developed by Google. It was first launched on August 28, 2006 as “Google Apps for Your Domain”.
G Suite comprises Gmail, Hangouts, Calendar, and Google+ for communication; Drive for storage; Docs, Sheets, Slides, Forms, and Sites for collaboration; and, depending on the plan, an Admin panel and Vault for managing users and the services. Â It also includes the digital interactive whiteboard Jamboard and the app development platform App Maker.
Zoho is a web-based online office suite containing word processing, presentations, spreadsheets, databases, note-taking, web conferencing.
It was launched in 2005 with a web-based word processor. Its applications are distributed as software, as service.
Here you come to know which mail server is better for workplace.
Comparison:
Gsuite Specifications:
Storage Space: 30 GB
Services: Â It includes various tools for communication and collaboration.
It has Gmail,  Calendars, Google+, and Hangout, for collaboration it has Docs,  Slides, Forms, Sheets, and Sites, for storage it has Drive, to handle services and users it has Admin panel, for archival and backup/recovery, it has Vault.
                       User Interface: Easy to use
Support Web Browser: Internet Explorer, Google Chrome, Safari, and FireFox
                       File Transfer: Yes
Chat Functionality: Yes
                        Authentication & Security: Yes
  Integration with third-party : Seamless through APIs
Zoho Specifications:
Storage Space: 5 GB
Services: Â It offers Group sharing, where users can create a group alias and share all documents with those people who are members.
                       User Interface: Complex to use
Support Web Browser: Internet Explorer, Google Chrome, Safari, and FireFox
                       File Transfer: No
Chat Functionality: No
                       Authentication & Security: No
 Integration with third-party: Good
Security:
G Suite third-party certification
G Suite is ISO 27001, ISO 27017, ISO 27018, SOC 2/3, FedRAMP & FISMA certified.
Zoho third-party certification
Zoho is ISO/IEC 27001:2013 & SOC 2 certified.
G Suite clearly wins the race…!!!
Support:
G Suite Support:
Google gives 24*7 support on phone, email and online as well.
Zoho Support:
They do have a customer self-service portal and a place where you can raise tickets as well but Google provides the best services.