Conducting online surveys can provide a range of valuable information but the most popular survey sites have limitations on their free versions, especially in the number of questions, and the number of respondents allowed. Below are three sites that offer great value on their free plan, and a reasonably priced paid plan. They are listed below along with some of the key features that nonprofits need. Overall it seemed that QuestionPro offered the best options for a completely free version.
| Number of active surveys | Number of questions and responses | Skip Logic depending on answers | CSV download to create spreadsheet | Cost to upgrade | Notes | |
| SoGoSurvey | Unlimited | Unlimited and 200/yr | 3 per survey | Yes – data | Reviews are generally positive. Provides a lot of features on the free version Designs somewhat customizable Only email support |
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| SoGoSurvey Plus | Unlimited | Unlimited and 1500/mo | yes | Yes – data | Plus Plan: $25/mo or free for nonprofits if you promote them | |
| Survey Legend | 3 total | Unlimited | 1 per survey | No | Reviews are generally positive. Only email support Free version has multiple premade designs. Paid version lets you customize your own design |
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| Survey Legend PAID | Unlimited | Unlimited | Unlimited | yes | $21/mo/nonprofit rate (for CSV export) | |
| QuestionPro | Unlimited | Unlimited and 1000/survey | yes | yes | People generally like but backend user interface could be improved Allows you to customize your survey design Chat/Phone support on paid plan |
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| QuestionPro PAID | Unlimited | Unlimited | yes | yes | $97/yr through TechSoup |