Yes, both FeedGrabbr and ContentStudio offer a Free Trial.
FeedGrabbr is designed for Large Enterprises, Medium Business and Small Business.
ContentStudio is designed for Large Enterprises, Medium Business and Small Business.
Pricing for FeedGrabbr Starts at $4/Month when Billed Yearly whereas for ContentStudio Starts at $39/Month when Billed Yearly.
Some top alternatives to FeedGrabbr includes page4, Boxmode, MotoCMS, WeTransfer, Inoreader, ContentStudio, Spark CMS, EpicPxls, WebBoss, Wildfire Widgets and RSS.
Some top alternatives to ContentStudio includes Crowdfire, SocialBee, Hootsuite, SMBee, SocialBu, SocialWeaver, Broadcast, CloudSocial, SocialHub, Posted and HipSocial by 500apps.