System 2 — Your Cognitive Bias Firewall

Engage your rational brain and catch cognitive biases before they skew your decisions. Like spell-check, but for thinking.

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Spot Biases Instantly

Identify confirmation, anchoring, and availability biases in your text, notes, or decisions in real time.

Engage Rational Thinking

Inspired by Kahneman’s System 2, it nudges you to slow down and reason with clarity when it matters most.

Boost Decision Accuracy

Reduce errors, improve judgment, and make more objective decisions across research, work, or personal projects.

How System 2 Improves Your Thinking

By analyzing your notes and decisions, System 2 highlights biases, suggests alternative perspectives, and helps you slow down reasoning when it matters most.

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Unlock all premium features and stay on top of cognitive bias protection.

Catch Your Biases Instantly

System-2 is an AI-driven Cognitive Bias Firewall that helps you think more clearly, reduce reasoning errors, and make better decisions.

  • Bias Detection & Analysis: AI flags reasoning fallacies in your text with clear explanations.
  • Decision Support: See blind spots and alternative perspectives highlighted in real time.
  • History & Tracking: Save analyses and review your bias patterns over time.
  • Secure & Private: Your text stays private and your analyses are tied to your account.