Exabrain is an AI‑driven practice platform that creates personalized questions from uploaded textbooks, lecture notes, slides, or syllabus outlines. It continuously adapts question difficulty based on each learner’s performance, provides detailed feedback, and visualizes real‑time proficiency across topics, supporting any subject from K‑12 to college and entrance exam preparation.
Funding
Funding not disclosed
Founders
Product
Problem
Students and learners often struggle to find practice material that matches their current knowledge level and aligns with specific course content, leading to inefficient study sessions and slower mastery of subjects.
Solution
Exabrain offers an AI‑driven practice platform that generates personalized questions directly from uploaded textbooks, lecture notes, slides, or syllabus outlines. The system continuously monitors each learner’s performance, adjusting question difficulty in real time to keep practice optimally challenging. Detailed feedback is provided after every answer, and a proficiency dashboard visualizes mastery across topics, highlighting strengths, weaknesses, and recommended next steps. The platform supports a wide range of subjects—from mathematics and science to humanities—and is accessible for free, with optional subscription tiers for higher practice volume and larger file uploads.
Target Audience
Primary users are K‑12, high school, and college students seeking efficient, curriculum‑aligned practice, as well as educators who want to provide customized practice sets for their courses.
Features
- AI-generated practice questions created from user‑uploaded PDFs, Word, PowerPoint, Excel, and image files
- Adaptive difficulty algorithm that makes subsequent questions easier or harder based on answer correctness
- Real‑time proficiency tracking with topic‑level mastery scores and progress visualizations
- Immediate, detailed feedback for each question to explain correct reasoning
- Support for any academic subject, from middle school to college and entrance exam preparation
- Free tier with unlimited access and no advertisements; paid tier unlocks higher weekly practice limits and larger upload capacities