Yes, both Customer.io and ActiveCampaign offer a Free Trial.
Customer.io is designed for Large Enterprises, Medium Business and Small Business.
ActiveCampaign is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Customer.io Starts at $100/Month whereas for ActiveCampaign Starts at $29/User/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 ActiveCampaign includes Outgrow, CleverTap, Moosend, Omnisend, Hubspot Marketing Hub, Klaviyo, Constant Contact, MailChimp, MailerLite, AnyFunnels, ConvertKit, ClickFunnels, Contactspot and Flodesk.