Yes, both Zoom and Customer.io offer a Free Trial.
Zoom is designed for Large Enterprises, Medium Business and Small Business.
Customer.io is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Zoom Starts at $12.49/Month when Billed Yearly whereas for Customer.io Starts at $100/Month.
Some top alternatives to Zoom includes Livestorm, Cisco Webex Meetings, Google Meet, GotoMeeting, Cisco Webex Teams, BlueJeans Virtual Meetings, VideoMeet, Jitsi Meet, Video Window and Zip Conferencing.
Some top alternatives to Customer.io includes Outgrow, ActiveCampaign, CleverTap, Moosend, Omnisend, ActiveTrail, Iterable, Hubspot Marketing Hub, Klaviyo, SendGrid, MailChimp, StreamSend, Adobe Marketo Engage and Contactspot.