SurveyMonkey

• SurveyMonkey is an online survey platform used by businesses and individuals to create surveys, gather responses, and analyze the collected data to gain insights and make informed decisions.
• A company or individual may either present their own list of survey-takers, which SurveyMonkey would identify and gather resposnes from, or they "can buy responses through SurveyMonkey Audience using the Target Audience collector."
• Responses from Survey Monkey may be collected either from the United States panel or its global panel of survey-takers.
• The platform's Basic plan is offered for free. Its Standard Monthly plan costs $35 monthly, while its Standard Annual plan is billed at $31 monthly.

• SurveyMonkey's "Team Advantage plan costs $25 a month, per user, billed annually." Other plans may be found here.

SoGoSurvey

• SoGoSurvey is a survey platform with more than 100,000 customers across 96 countries, inclduing the United States.
• The platform may either manage a client's project fully or offer survey panel services. SoGoSurvey also provides survey design services.
• This platform offers a basic plan for free. It's Plus plan costs $25 monthly; the Pro plan is charged at $40 per month, while the Premium package costs $99 monthly. More details on about its pricing can be found here.

SurveyGizmo

• SurveyGizmo helps enterprises, small businesses and independned researchers to collect feedback data and conduct market research.
• It also offers a free account for very simple and small-sized surveys. Its COLLABORATOR plan costs $25 monthly, while the PROFESSIONAL package costs $85 per month. More pricing details can be found here.