Yes, both Hypefury and Tweet Ninja offer a Free Trial.
Hypefury is designed for Large Enterprises, Medium Business and Small Business.
Tweet Ninja is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of Tweet Ninja begins at $19/Month, while pricing details for Hypefury are unavailable.
Some top alternatives to Hypefury includes Zoho Social, Crowdfire and SocialBee.
Some top alternatives to Tweet Ninja includes Zoho Social, Crowdfire, SocialBee, Buffer, Planable, Later, SocialBu, Naytev, Ultimate SMM, Tweetastic, Redfeets, SocialPear, BTweeps, Twitter Ads and Tweepsmap.