Fillout vs Semiform
Side-by-side comparison · Updated April 2026
| Description | Fillout's AI Form Builder is a versatile tool allowing users to create online forms effortlessly using AI. Users can either describe the form they need, import questions from an existing form, or upload a PDF. The AI optimizes language and design for high conversion rates and can tailor the form to match a brand's aesthetics. Additionally, forms can easily be updated through simple text commands. The tool is free to use with options for premium features, providing a comprehensive solution for creating quizzes, surveys, and other forms. | Semiform is an innovative solution that replaces traditional forms with AI agents, allowing respondents to type answers in natural language instead of filling out complex fields. This leads to higher response rates and happier users. By understanding and processing natural language, Semiform can extract structured data from free-text responses, ask follow-up questions, and provide automated summaries of the results. The platform is currently in a free beta phase, allowing users to try out all features without any cost. |
| Category | Business | Natural Language Processing |
| Rating | No reviews | No reviews |
| Pricing | Freemium | Free |
| Starting Price | Free | Free |
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| Tags | form builderonline formsAIconversion optimizationbranding | AI agentnatural language processingresponse ratesuser satisfactionstructured data |
| Features | ||
| AI-powered form creation | ||
| Language optimization for higher conversions | ||
| Brand-matching form style | ||
| Form updates via text commands | ||
| No-code drag-and-drop editor | ||
| Free usage with premium options | ||
| Public link for easy sharing | ||
| Embedding options | ||
| Variety of form templates | ||
| Quiz and survey creation tools | ||
| Natural language parsing | ||
| Email responses | ||
| Automatic result summaries | ||
| Free text replies | ||
| Response tagging | ||
| Net Promoter Score estimation | ||
| Customizable form fields | ||
| Automated follow-up questions | ||
| Beta phase with full features | ||
| No credit card required to join | ||
| View Fillout | View Semiform | |