Yes, both Article Insights and CoCo offer a Free Trial.
Article Insights is designed for Individuals, Freelancers, Medium Business and Small Business.
CoCo is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Article Insights begins at $12/Month, while pricing details for CoCo are unavailable.
Some top alternatives to Article Insights includes Topic, Keyword Chef, TechValidate, SimilarContent Pro, WriterZen, Keyword Insights and ContextMinds.
Some top alternatives to CoCo includes SocialRank, Followerwonk, Social Animal, SocialTracker, Analisa.io, Planable, Socialinsider, SocialStats, Analyser PRO, SocialBee and SocialBook.