Yes, both Constant Contact and OSI Feedback offer a Free Trial.
Constant Contact is designed for Large Enterprises, Medium Business and Small Business.
OSI Feedback is designed for Large Enterprises, Medium Business and Small Business.
The starting price of OSI Feedback begins at $27/Month, while pricing details for Constant Contact are unavailable.
Some top alternatives to Constant Contact includes Campaigner, Moosend and SMTP.
Some top alternatives to OSI Feedback includes DropThought, Liveform, Qualified, GetFeedy, SentimentSnap, Workvivo, Feedsocio, Frill, InsightSofa, Nolt, IFTTT and RateMyService.