Yes, both WordPress and CallRail offer a Free Trial.
WordPress is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
CallRail is designed for Large Enterprises, Medium Business and Small Business.
Pricing for WordPress Starts at $4/Month when Billed Yearly whereas for CallRail Starts at $45/Month.
Some top alternatives to WordPress includes Unbounce, VWO Deploy, SITE123, Wix, Squarespace, Webflow, Builder, WebsiteBuilder, Format, WeWeb, Shopify, Drupal, Concrete5, WebBoss and Web.com.
Some top alternatives to CallRail includes CallTrackingMetrics, Invoca, Calltracks, calltrak, TeleCapture, Call Tracker, Caller Insight, Call Metrics, Track Leads and CallTracking.