Yes, both Windsor.ai and Attributer offer a Free Trial.
Windsor.ai is designed for Large Enterprises, Medium Business and Small Business.
Attributer is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Windsor.ai Starts at $99/Month whereas for Attributer Starts at $49/Month.
Some top alternatives to Windsor.ai includes Searchmetrics, rampmetrics, Dreamdata, Attributer, Adjust, Metric Magnet, Admetrics Data Studio, Adobe Analytics, Metricscreen and Supermetrics.
Some top alternatives to Attributer includes Marketing 360, SAS Marketing Automation, Atlas CRM, Attribution, Roivenue, Dreamdata, Adjust, Oracle CX Marketing, Attribuly and Dimensions Attribution.