Side by side
Questionnaires.ai vs SpaceForms
Both stand on ai survey generators. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Choose Questionnaires.ai if you want AI-assisted survey creation, link-based participation, and real-time response analysis in a web service. The free plan offers a way to start, while Pro or Business may suit teams that need more responses, generations, exports, branding, or advanced analytics. Consider the stated response and generation limits when choosing a plan.
Visit Questionnaires.aiChoose SpaceForms if you want AI-assisted survey creation, multiple response formats, and listed distribution and integration options. Its Free plan collects unlimited responses, but only 10 are visible per form; paid plans have a 5,000-response limit per form.
Visit SpaceFormsThe facts
| Questionnaires.ai | SpaceForms | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Web | API, Web |
| Lowest paid plan | Pro: $29 a month | Pro Annual: $144 a year |
| Plans published | 3 | 3 |
| Maker | Not published | Not published |
| Website | questionnaires.ai | spaceforms.io |
| On ai survey generators | #10 of 29 | #14 of 29 |
Questionnaires.ai: what it does well
- AI can turn a learning goal into questions or a complete survey.
- Six question types include multiple choice, ratings, and open text.
- Respondents can answer shared questionnaires without logging in.
- Real-time analytics include AI-generated themes and suggested actions.
- Paid plans include CSV and PDF exports.
What to know first
- The free plan is limited to three questionnaires.
- Free users get 50 responses and five AI generations per month.
- Pro costs $29 a month; Business costs $99 a month.
- Data may be processed in the United States and provider countries.
SpaceForms: what it does well
- Generates questions, branching logic, and design from a description.
- Respondents can answer by form, chat, or voice.
- Supports link, QR code, and website embedding.
- Offers CSV and JSON exports.
- Lists webhooks, Zapier, REST API, and MCP server.
What to know first
- Free plan shows only 10 responses per form.
- Pro plans cap each form at 5,000 responses.
- Pro costs $14 a month.
- Pro Annual costs $144 a year.
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