Yes, both Customer.io and Refiner offer a Free Trial.
Customer.io is designed for Large Enterprises, Medium Business and Small Business.
Refiner is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Customer.io Starts at $100/Month whereas for Refiner Starts at $79/Month when Billed Yearly.
Some top alternatives to Customer.io includes HubSpot CRM, Outgrow, ActiveCampaign, CleverTap, Moosend, Omnisend, ActiveTrail, Iterable, Hubspot Marketing Hub, Klaviyo, SendGrid, MailChimp, StreamSend, Adobe Marketo Engage and Contactspot.
Some top alternatives to Refiner includes SmartSurvey, SightMill, SurveySparrow, Couchsurvey, ngSurvey, Cognito Forms, Liveform, UserFace, SatisMeter, Feedlify and feedback.farm.