IBM
Experiments by GrowthHackers offers Free Trial, but Zepel does not.
Experiments by GrowthHackers is designed for Large Enterprises, Medium Business and Small Business.
Zepel is designed for Medium Business and Small Business.
The starting price of Zepel begins at $5/User/Month when Billed Yearly, while pricing details for Experiments by GrowthHackers are unavailable.
Some top alternatives to Experiments by GrowthHackers includes Jira, ProdCamp, Browsee, Critogo, Convertize, CROmetrics, CROOW, IdeaPlan and SprintMapp.
Some top alternatives to Zepel includes ProdPad, ProductPlan, Jira, productboard, Productroad, Next Please, Trello, Asana, Teamwork and Height.