# BlockSurvey > End-to-end encrypted survey platform with AI survey creation, conversational interviews and response analysis. BlockSurvey is a survey platform in which every response is encrypted on the respondent's device, so only the survey owner can read it. BlockSurvey uses AI to draft surveys from a prompt, ask adaptive follow-up questions and analyse answers for themes and sentiment. Surveys are shared by link, QR code, embed, email or text campaign. **Best for:** Research, healthcare and product teams that collect sensitive or anonymous feedback and need both strong privacy and automated analysis. - Official site: https://blocksurvey.io - Listed in: [Research & AI Search](https://trendhub.net/ai-tools/category/research-tools), [Data Analysis & Analytics](https://trendhub.net/ai-tools/category/data-analytics) - Last checked: 2026-10-09 (facts taken from blocksurvey.io) - Source page: https://trendhub.net/ai-tools/blocksurvey-encrypted-surveys-ai-analysis ## Key facts - Platforms: Web, MCP - Pricing model: Freemium - Free plan: Yes - Free trial: Yes - Made by: BlockSurvey ## What is BlockSurvey? BlockSurvey is an online survey and form tool built around data ownership. Answers are end-to-end encrypted before they reach the company's servers, the forms carry no trackers, cookies or adverts, and fully anonymous collection is supported. On top of this sits a set of AI functions: a generator that writes and structures questions from a topic, rephrasing and answer-option suggestions, conversational surveys that adapt to each respondent, adaptive follow-up questions, and analysis tools for thematic coding, sentiment, summaries and wave-to-wave comparison of repeated surveys. A Survey MCP connection lets assistants such as Claude and ChatGPT create and publish surveys. Standard survey features include skip logic, over 100 languages, white-label branding, custom domains, ranking, matrix and NPS questions, and A/B testing. Higher plans issue GDPR and HIPAA agreements. ## Key features - **End-to-End Encryption**: Encrypts each response on the device so that the survey owner alone holds the key. - **AI Survey Creation**: Drafts, refines and orders questions from a short description of what you need. - **Conversational Surveys**: Runs interview-style dialogues that adjust follow-up questions to each answer. - **AI Response Analysis**: Finds themes, sentiment and anomalies in open-ended answers and summarises results. - **Survey MCP**: Connects to Claude, Claude Code and ChatGPT for building and editing surveys inside the assistant. - **Branding and Logic**: Adds skip and display logic, multilingual versions, custom domains and white-label styling. ## Use cases - **Patient Feedback**: Gather feedback from patients under a HIPAA agreement with encrypted storage. - **Anonymous Employee Surveys**: Collect candid answers without identifying respondents. - **Market Research Studies**: Run branded studies and code open-text answers automatically. - **Product Feedback**: Ask SaaS users about churn, fit or uninstall reasons. - **Tracking Studies**: Compare waves of a repeated survey to see which shifts are significant. ## Things to know - **Response quotas are annual**: Each plan sets a yearly response allowance: 6,000 on Standard, 24,000 on Premium and 60,000 on Team. - **Advanced analysis sits on Team**: AI data analysis and AI data encoding are listed from the Team plan upward. - **Non-profit pricing**: The site mentions a discounted price for non-profit organisations. ## FAQs ### What is BlockSurvey? BlockSurvey is a privacy-first survey platform that combines end-to-end encryption with AI tools for creating surveys and analysing responses. ### How does BlockSurvey protect responses? BlockSurvey encrypts answers on the respondent's device before they are sent, and only the survey owner holds the key. The company states that it cannot read the data itself. ### Is BlockSurvey free? BlockSurvey: a free plan is available, and a free trial is offered. Paid plan rates are published on blocksurvey.io. Check the official pricing page for current amounts. ### How much does BlockSurvey cost? BlockSurvey: a free plan is available, and a free trial is offered. Paid plan rates are published on blocksurvey.io. Check the official pricing page for current amounts. ### Is BlockSurvey HIPAA compliant? BlockSurvey lists HIPAA compliance with a BAA, along with a GDPR DPA, as part of its Team plan. ### Does BlockSurvey work with ChatGPT or Claude? Yes. BlockSurvey offers a Survey MCP that connects to Claude, Claude Code and ChatGPT so surveys can be created, edited and published from the assistant. ### How many languages does BlockSurvey support? BlockSurvey's Standard plan lists multi-language surveys in more than 100 languages. --- Source: https://trendhub.net/ai-tools/blocksurvey-encrypted-surveys-ai-analysis (trendhub)