RedPen is your AI-powered grading and study companion.
Snap photos or upload PDFs of exams, quizzes, or worksheets and get fast, structured feedback per question. Then keep learning with tailored practice generated from your own material or from prompts you control.
Built for students who want to improve faster and educators who need organized, repeatable feedback.

What you can do:

- Instant AI grading: upload photos or PDFs and receive concise notes on each exercise in minutes.
- Step-by-step solutions: open detailed answers to see the reasoning, not just the score.
- Practice that adapts: generate new practice exams from your corrected work or from a custom prompt.
- History you can trust: browse and search past corrections by title to revisit problem areas anytime.
- Progress at a glance: track credits, recent activity, and unlock more corrections with flexible plans.
- Mobile-first flow: clean tabs for Home, History, Plans, Profile, and creation—optimized for quick uploads and review.

Why it helps:

- Study smarter: turn every graded exam into a practice set that targets your gaps.
- Learn by doing: compare your attempts with AI-generated solutions to build stronger problem-solving habits.
- Stay organized: keep all corrections, solutions, and generated practice in one place.

How it works:

1. Upload: add a PDF or snap photos of each page.
2. Process: RedPen grades with AI and highlights per-question feedback.
3. Review: open step-by-step solutions and mark what to revisit.
4. Practice: generate fresh exercises inspired by your own exam or by a prompt.
5. Repeat: search your history, monitor credits, and keep improving with each session.

Plans:

- Free: core grading with credits.
- Pro: more corrections and richer AI feedback.
- Elite: includes personalized practice generation from existing exams for deeper prep and infinite corrections.

Ideal for:

- Students preparing for exams with targeted practice.
- Educators needing quick, consistent grading and solution references.
- Tutors who want a repeatable, portable feedback workflow.

Download RedPen to grade, learn, and practice with AI—anytime, anywhere.