Yes, both Avion and Aha! offer a Free Trial.
Avion is designed for Large Enterprises, Medium Business and Small Business.
Aha! is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Avion Starts at $15.75/Month when Billed Yearly whereas for Aha! Starts at $59/User/Month when Billed Yearly.
Some top alternatives to Avion includes Aha!, Next Please, StoriesOnBoard, FeatureMap, CardBoard, Qualified, Workvivo, Webjets, Agilefant, Airstack, IFTTT and Featmap.
Some top alternatives to Aha! includes Roadmunk, ProductPlan, Jira, productboard, Productroad, Backlogs, ProductFlare, Next Please, Teamwork and Height.