Yes, both Customer.io and Census offer a Free Trial.
Customer.io is designed for Large Enterprises, Medium Business and Small Business.
Census is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Customer.io Starts at $100/Month whereas for Census Starts at $300/Month.
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.
Some top alternatives to Census includes CustomerLabs CDP, BlueConic, Tealium AudienceStream CDP, Captain Metrics, Zylotech, Lexer, Acquia Marketing Cloud, BSI CDP, Gravito CDP and euromessage CDP.