Yes, both justLikeAPI and 3scale offer a Free Trial.
justLikeAPI is designed for Large Enterprises, Medium Business and Small Business.
3scale is designed for Large Enterprises, Medium Business and Small Business.
Pricing for justLikeAPI Starts at $49.95/Month whereas for 3scale Starts at $750/Month.
Some top alternatives to justLikeAPI includes 3scale, Apigee Edge, Postman, Checkly, Fireapis, Meegle, ManageEngine Applications Manager, Meta API, ReviewRev and Unwrangle.
Some top alternatives to 3scale includes Akana Platform, Apigee Edge, IBM API Connect, Kong, MuleSoft Anypoint Platform, WSO2 API Manager, API Fortress, Layer7 API Gateway, Meta API and APIToolkit.