RedPen
Smart exam solutions to help students prepare. Study buddy.
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Tandem Data

RedPen - Smart exam solutions to help students prepare. Study buddy.

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RedPen provides high-quality solutions to exams and exercises. It captures entire exams of up to 20 pages, identifies the main exercises, and produces detailed, step-by-step explanations tailored to the user’s level. The feature we are most proud of is exam cloning: by generating new exams tailored to a user’s specifications based on previously solved exams, we help students prepare with an infinite number of practice exercises.

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Tandem Data
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We are two colleagues who finished university and encountered a common problem: we didn’t have enough material to prepare for finals. So we built RedPen. It’s an all-in-one exam preparation tool that provides smart answers tailored to the user’s level, detailed step-by-step explanations for each exercise, an AI chatbot for follow-up questions whenever doubts arise, and exam cloning to create an infinite supply of practice exercises. What’s next: - Deeper explanations through text selection - Exam correction tools to support teachers - More ways to upload and input exams Try it: You can download it on Android, and we’re currently developing the iOS version. Free demos are available. We’d love to hear your feedback.