Argument Mapper is a visual thinking app for analyzing reasoning. It helps you break any text, debate, or idea into claims, evidence, objections, and relationships—so you can clearly see how an argument is built. With Argument Mapper, you can: create analysis sessions for different topics; add argument nodes (claims, support, counterarguments, questions); connect nodes with logical relations; tag logical fallacies and weak points; work in a compact, adaptive interface; switch the full app experience between English and Russian; keep your data stored locally on your device. Why it’s useful Makes complex reasoning easy to understand. Helps reveal contradictions and gaps in logic. Improves preparation for debates, presentations, essays, and negotiations. Supports both academic and professional workflows. Who it’s for students and educators; analysts, researchers, lawyers, and journalists; anyone who wants clearer thinking and stronger arguments. Key features modern, clean, high-performance UI; rounded, readable cards designed for focus; adaptive layouts for different screen sizes; local-first storage with no mandatory sign-up; map-first UX, where argument structure is the core experience. Argument Mapper turns unstructured text into a clear reasoning map—so you can think better, argue better, and decide with confidence.