Yes, both Chargebee and Customer.io offer a Free Trial.
Chargebee is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Customer.io is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Customer.io begins at $100/Month, while pricing details for Chargebee are unavailable.
Some top alternatives to Chargebee includes billwerk, Subill, Zuora Billing, Billsby, ChimpCharge, Fusebill, ReCharge, Recurly and RevenueCat.
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.