Yes, both Twilio Flex and ConvergeHub offer a Free Trial.
Twilio Flex is designed for Large Enterprises and Medium Business.
ConvergeHub is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Twilio Flex Starts at $1/User whereas for ConvergeHub Starts at $9/User/Month.
Some top alternatives to Twilio Flex includes CometChat, CloudTalk, Five9, 3CX, Genesys PureConnect, MSG91, Infobip, Cloudonix, CommPeak, CloudContactAI and Messenger Communication Platform.
Some top alternatives to ConvergeHub includes Pipedrive, HubSpot CRM, ClickUp, Freshsales, Salesflare, Close, Vendasta, Keap, Zoho CRM, Salesforce, CompanyHub CRM, Thryv, Concord CRM, SalesCRM, SimpleCRM, Simply CRM, Cool Life CRM and CentraHub CRM.