Pick up to 4 tools and see their free plans, entry prices, platforms and limits in one table. Every fact comes from each vendor's own pages, checked 23 September 2026.
Free trial, no credit card required (offered on the agencies and partners track)
None stated
Platforms
Web
Web, API
Integrations (vendor's figure)
Not stated
1,000+ apps
Open source
No
No
Good for
Building a voice or chat support agent that follows set business rules
Agencies building AI agents and handing them over to client businesses
Testing and monitoring agent conversations before and after launch
Researching and enriching prospect lists before outreach
Preparing briefs before sales meetings and drafting follow-ups after calls
Drafting proposals from deal information
Watch out for
Plan prices are not published on the public pricing page; docs say they are shown in the dashboard's Plans and Billing tab
The Free plan (per docs) has limited features and a one-time credit grant that does not renew
Single sign-on and private cloud hosting are Enterprise features
No published prices, free plan or self-serve plan; getting started means talking to sales
The only listed plan (Enterprise) uses custom action and vendor-credit allowances rather than fixed published limits
Made by
Voiceflow, Inc.
OnSearch Pty Ltd (trading as Relevance AI)
Entry prices are the cheapest paid plan, as each vendor publishes it; “What it covers” says what that price is per (a user, a channel, a brand, a number of contacts). The sources are listed on each tool's page.
