Design complex survey flows in a clear, intuitive interface. Use AI assistance to accelerate setup, without code or developer dependency.
Run the same logic-heavy survey online or offline, capture data without internet, and sync reliably when connected.
Ensure clean, defensible data with validation rules and built-in verification tools, including GPS tracking, timestamps, and background audio.
Qlarr is fully open-source, giving you complete control over your data. Deploy on your own infrastructure, or host on our GDPR-compliant cloud.
Design and adapt complex surveys faster, manage teams, and track responses — no devs needed.
Collect and verify data anywhere, even offline, with built-in fraud prevention.
Turn your research ideas into powerful surveys with advanced logic and AI assistance — all free to use.
Build complex flows with advanced logic, validation, and a wide range of question types — all without a line of code.