What does Heuristica actually do?
A lot of AI study tools still trap learning inside a single chat transcript. That is fine when you want one explanation, but it breaks down fast when you are comparing papers, lecture notes, videos, and side questions over several days. Heuristica attacks that problem by putting the topic on an infinite canvas as a concept map, so the work stays spatial instead of scrolling out of sight. On the public pages, the product keeps repeating the same pattern: you start with a subject or source, expand it visually, then reuse the same material for summaries, quizzes, flashcards, or notes. That matters most when the task is not just understanding once, but remembering and revisiting later.
The strongest part of the product is how many source types it tries to pull into the same workflow. The concept map pages mention Wikipedia, arXiv, Semantic Scholar, PubMed, YouTube, podcasts, websites, and PDFs, while the AI Study Assistant adds multi-model chat, saved prompts, and custom instructions. In practice, that means you can collect material from several places, map the relationships, then convert the result into flashcards with spaced repetition, quizzes, or structured notes without restarting in another tool. That is a stronger study loop than a generic assistant that only answers questions, because the output is built from a persistent structure you can keep editing.