Yes, both Mambo.IO and Gametize offer a Free Trial.
Mambo.IO is designed for Large Enterprises, Medium Business and Small Business.
Gametize is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Mambo.IO Starts at $15/User/Month whereas for Gametize Starts at $100/Month.
Some top alternatives to Mambo.IO includes Mambo, GetBadges, Bravon, nGAGEMENT, Klujo, Gamifier, StriveCloud App Gamification Platform, Motivarnos, Amazon Forecast and BeeLiked.
Some top alternatives to Gametize includes GetBadges, Kahoot!, Quboo, 1Huddle, Klujo, Gamifier, Drimify, StriveCloud App Gamification Platform, BeeLiked and LVL Up.