Yes, both Syncerize and Feedbackz offer a Free Trial.
Syncerize is designed for Large Enterprises, Medium Business and Small Business.
Feedbackz is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Syncerize Starts at $19/Month whereas for Feedbackz Starts at $9/Month.
Some top alternatives to Syncerize includes SkuIQ, EasyEcom, Multiorders, MyStore, Shopify Plus, Shopify, SellerApp, Qualified, Workvivo, StoreSyncer, 1App and IFTTT.
Some top alternatives to Feedbackz includes Salesla, FeedbackOutlook, TrueReview, Insight Mailer, Qualified, Grab Your Reviews, Workvivo, QReviews, Testimonly, Nolt, IFTTT and OSI Feedback.