Yes, both SocialPear and Tweet Ninja offer a Free Trial.
SocialPear is designed for Large Enterprises, Medium Business and Small Business.
Tweet Ninja is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for SocialPear Starts at $10/Month whereas for Tweet Ninja Starts at $19/Month.
Some top alternatives to SocialPear includes Crowdfire, SocialBee, Buffer, Zoho Social, Planable, Tweet Ninja, Later, SocialGest, Tweetastic, Postaside, Twitter Ads, Tweelog, SocialHuge, SocialDog and TweetingMonk.
Some top alternatives to Tweet Ninja includes Crowdfire, SocialBee, Buffer, Zoho Social, Planable, Later, SocialBu, Naytev, Ultimate SMM, Tweetastic, Redfeets, SocialPear, BTweeps, Twitter Ads and Tweepsmap.