SmartSurvey offers Free Trial, but OpinionX does not.
OpinionX is designed for Individuals, Medium Business and Small Business.
SmartSurvey is designed for Large Enterprises, Medium Business and Small Business.
The starting price of OpinionX begins at $41.60/Month when Billed Yearly, while pricing details for SmartSurvey are unavailable.
Some top alternatives to OpinionX includes SmartSurvey, Klydo, Liveform, Feeda, Ribbon, Qualified, Workvivo, Feedsocio, Screeb, InsightSofa and IFTTT.
Some top alternatives to SmartSurvey includes SurveyMonkey, Zoho Survey, QuestionPro, SurveySparrow, Qualtrics Core XM, Couchsurvey, Key Survey Software, easyfeedback, SurveyBox, Cognito Forms, SurveyKing and SurveyMonkey Enterprise.