Yes, both Refiner and Customer.io offer a Free Trial.
Refiner is designed for Large Enterprises, Medium Business and Small Business.
Customer.io is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Refiner Starts at $79/Month when Billed Yearly whereas for Customer.io Starts at $100/Month.
Some top alternatives to Refiner includes SmartSurvey, SightMill, SurveySparrow, Couchsurvey, ngSurvey, Cognito Forms, Liveform, UserFace, SatisMeter, Feedlify and feedback.farm.
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.