Yes, both Qeryz and Alchemer offer a Free Trial.
Qeryz is designed for Large Enterprises, Medium Business and Small Business.
Alchemer is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Qeryz Starts at $15/Month whereas for Alchemer Starts at $49/User/Month.
Some top alternatives to Qeryz includes SurveyMonkey, QuestionPro, SurveySparrow, Alchemer, Survs, SurveyRock, PopSurvey, easyfeedback, Cognito Forms, UserFace and Meeturvey.
Some top alternatives to Alchemer includes Feedier, QuestionPro, SurveySparrow, Enalyzer, Couchsurvey, SurveyRock, easyfeedback, Cognito Forms, Typeform, SurveyMonkey Enterprise and Alium.