BlockSurvey vs xData

More advanced layout customization and database integrations, but lacks client-side end-to-end data encryption features.

Broader template library and poll features, but lacks specialized privacy-first cryptographic encryption for sensitive survey responses.

One browser agent that combines every major AI model with web automation

Agentic web scraper that turns any page into ready-to-use data

Faster AI form and logic generation from text prompts, but without client-side end-to-end encryption.

Better interactive quizzes and lead capture polls, but less focused on secure research surveys and data privacy.

Supports unique MCP server integrations for AI form generation, but lacks BlockSurvey's strict cryptographic privacy focus.

Free / Open-sourceOpen-source codebase with unlimited submissions and AI assistance, but less emphasis on end-to-end encrypted data storage.

SpecialistTurn static forms into adaptive AI conversations with structured output

SpecialistAI-moderated voice and video interviews that scale survey research to thousands of people at once

Free AI browser agent that works anywhere you're signed in

Stronger automated analysis of open-ended response data, but fewer privacy-focused enterprise encryption guarantees.