Yes, both CrowdPower and Customer.io offer a Free Trial.
CrowdPower is designed for Large Enterprises, Medium Business and Small Business.
Customer.io is designed for Large Enterprises, Medium Business and Small Business.
Pricing for CrowdPower Starts at $48/Month when Billed Yearly whereas for Customer.io Starts at $100/Month.
Some top alternatives to CrowdPower includes Customer.io, SimpleCRM, Parlor, ClientSuccess, Custify, Segment, Ortto, Freshdesk Customer Success (Formely Freshsuccess), Engage.so and Smartarget.
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.