Show HN: LongTerMemory Study tool with no subscription built with QDrant and RAG

2 Generate your personal Study Plan 3 Pass your Exam and Certification faster Plus: chat directly with your materials ; Ask your AI anything about your notes, slides, infographics or books

Also: upload photos, infographics & diagrams ; snap a textbook page and our AI reads it via OCR

Upload documents, paste links or text. Our AI builds a custom spaced-repetition plan to help you score 90%+ on exams and professional certifications.

Supports PDFs, Docs, URLs, Notes. Completely free to start.

A quick overview of how LongTerMemory helps you study smarter and retain more.

Enable audio See It In Action: full Demo Click to watch a full walkthrough of the platform

Simple, Transparent Pricing Pay once and forget about it. Pick the access period you need; that's all you'll ever pay.

One-time purchase · No subscriptions · No auto-renewals · No surprise charges. Ever. Pass Your Exam 4 months Continuous Learning 12 months Both are one-time purchases; no subscriptions, no recurring charges.

No credit card required · No auto-payment · No commitment

You can renew after 4 months to keep your data if you postpone your exam. No auto-renewal.

One-time payment · No auto-renew · No rebills

You can renew after 4 months to keep your data if you postpone your exam. No auto-renewal.

One-time payment · No auto-renew · No rebills

No credit card required · No auto-payment · No commitment

One-time payment · No auto-renew · No rebills

One-time payment · No auto-renew · No rebills

No. There are zero subscriptions here. You pay once for the access period you choose (4 or 12 months) and that's it. Your card is charged a single time. No recurring charges, no automatic renewals, no unexpected bills. Ever. You can literally forget you paid and nothing will happen to your credit card.

Upload your own notes, slides, spreadsheets, books, or any document, and our AI automatically generates question-answer pairs. These are then scheduled using spaced repetition , so you review at optimal intervals for long-term retention.

You can import photos of textbook pages, infographics, and diagrams (JPG, PNG, WEBP, TIFF, BMP; AI reads them via OCR), personal notes (TXT, Markdown), slides (PowerPoint), spreadsheets (Excel), books and documents (PDF, Word, ODT), or add web links (URLs). Our AI extracts and processes the content from all of them automatically to generate study materials.

Spaced repetition is a science-backed learning technique that schedules reviews at increasing intervals. Studies show it can achieve 90%+ retention compared to just 20% with cramming. You review right before you're about to forget.

We use RAG (Retrieval-Augmented Generation) with OpenAI to analyze your materials and create contextual question-answer pairs. The AI understands the content and generates questions that test key concepts.

Yes! Once your materials are imported, you can open the built-in AI chat box inside any project and ask anything; from clarifying a concept to testing your understanding. The AI draws exclusively from your specific notes, slides, and documents to give you instant, accurate answers, like a personal tutor that has read everything you uploaded.

The AI produces high-quality questions in most cases, but may occasionally make errors. We recommend reviewing generated content and reporting any issues you find so we can improve.

We use HTTPS/TLS encryption for all data in transit, passwordless authentication (no passwords to steal), and encrypted databases for storage. We never sell your data to third parties.

Only you can access your documents. Content is processed by OpenAI for Q&A generation (governed by their privacy policy). We don't share your materials with any other third parties.

Two passwordless options: sign in instantly with your Google account (one click, no setup), or use our magic link flow; enter your email, receive a secure link, and click to proceed. Either way, no password to remember or risk being stolen.

We accept all major credit and debit cards via Stripe, one of the world's most trusted payment processors. Both packs are one-time payments ; your card is charged once and never automatically charged again . No subscriptions, no auto-renewals, no automatic rebills. Pick the 4-month or 12-month pack and pay once.

There is nothing to cancel; because there is no subscription. Both packs are one-time purchases. Your card is charged once and never again. If you have an issue with a recent purchase, contact us and we'll handle it case by case.

Discover the science-backed methods that make our platform the most efficient way to prepare for exams and professional certifications

What is LongTerMemory? Click to learn more about what is longtermemory

LongTerMemory is a cutting-edge web application in the educational technology sector designed to revolutionize how you prepare for exams, tests, and professional certifications. Unlike traditional study methods that rely on passive reading and rote memorization, our platform harnesses the power of artificial intelligence and proven cognitive science principles to help you master any subject efficiently and effectively.

Our platform operates on two scientifically validated learning methodologies that work synergistically to maximize your retention and minimize study time. First, we leverage AI-powered question-answer generation to transform your uploaded study materials; whether they're photos of textbook pages, infographics and diagrams, your personal notes, slides, spreadsheets, entire books, or web links; into comprehensive test questions and quizzes tailored to your specific learning needs. Second, we implement spaced repetition scheduling , an evidence-based technique that presents information at strategically optimized intervals to cement knowledge into long-term memory.

Beyond automated study plans, you can actively query your imported content at any time using the built-in AI chat. Type a question in the chat box; the AI reads your specific notes, slides, books, or web pages and replies instantly. It's like having a personal tutor that has already read everything you uploaded, available 24/7 for any follow-up question.

Simply upload your study materials to the platform, and our advanced AI algorithms analyze the content to generate relevant questions, answers, and practice tests. The system automatically creates a personalized study plan based on your specific exam or certification goals. As you progress through your study sessions, our intelligent spaced repetition algorithm tracks your performance on each question, scheduling reviews at precisely the right moments to reinforce your memory without wasting time on material you've already mastered.

Whether you're a medical student preparing for board exams, an IT professional pursuing AWS or CompTIA certifications, a law student studying for the bar exam, or anyone facing a challenging test, LongTerMemory dramatically reduces preparation time while increasing retention rates. Our users consistently report achieving 90%+ retention rates compared to traditional study methods, allowing them to pass certifications on the first attempt and retain knowledge for their professional careers.

By combining AI-generated practice questions with scientifically optimized review schedules, LongTerMemory eliminates the guesswork from exam preparation. You'll know exactly what to study, when to study it, and can track your progress in real-time, giving you the confidence to approach any exam with complete mastery of the material.

What is Spaced Repetition? Click to learn more about what is spaced repetition

Spaced repetition is a scientifically proven learning technique that leverages the psychological spacing effect to dramatically improve long-term memory retention. Rather than cramming all your study material into marathon sessions (a method proven to be ineffective for lasting retention), spaced repetition schedules review sessions at increasingly longer intervals, strategically timed to interrupt the natural forgetting process just before information would be lost from memory.

The spacing effect has been validated by over 200 research studies spanning more than a century of cognitive science research. When you first learn something, that information resides in short-term memory and begins fading rapidly; you might forget up to 80% within 24 hours without reinforcement. However, when you review material at precisely calculated intervals, each successful recall strengthens the neural pathways associated with that information, progressively moving it from short-term to durable long-term memory storage.

Modern spaced repetition systems use sophisticated algorithms to determine optimal review timing. Newly introduced material or concepts you find challenging appear more frequently in your study sessions, while information you've demonstrated mastery over is scheduled for review at longer intervals. This intelligent scheduling ensures you spend your valuable study time on material that truly needs reinforcement, rather than wasting effort reviewing content you've already consolidated into long-term memory.

For students and professionals preparing for certifications, spaced repetition offers transformative benefits. Research consistently shows that spaced practice elevates test scores and deepens knowledge retention far beyond traditional study methods. A 2025 study published in ScienceDirect demonstrated that pharmacy students using spaced repetition and active recall significantly improved their academic performance compared to conventional learning approaches.

The beauty of spaced repetition lies in its efficiency; you learn more in less time. By focusing review sessions on material timed to your individual forgetting curve, you achieve 90%+ retention rates while minimizing total study hours. This is particularly crucial for busy professionals pursuing certifications while working full-time, or students juggling multiple demanding courses. Research from Oxford Learning and the UC San Diego Psychology Department confirms that distributing learning over time is one of the most effective study techniques available.

Rather than spending weeks cramming and forgetting, spaced repetition enables you to build genuine expertise that persists long after your exam, providing lasting value for your professional career and continuous learning journey.

Why Question-Answer Learning? Click to learn more about why question-answer learning

The question-answer (Q&A) learning pattern, also known as active recall or retrieval practice , represents the single most effective study technique for exam preparation and long-term knowledge retention. Unlike passive study methods such as re-reading notes, highlighting textbooks, or watching video lectures; which create an illusion of learning without genuine comprehension; active recall forces your brain to retrieve information from memory, strengthening neural connections and building true mastery.

Active recall is widely regarded in scientific literature as the study technique that improves exam performance the most. A comprehensive 58-page meta-analysis on study techniques ranked active recall as a high-utility study technique, with research demonstrating that students using active recall significantly outperform those relying on passive review methods. The act of remembering and writing down an answer to a question is substantially more effective than simply thinking you know the answer or checking your notes; practicing retrieval makes you more likely to remember information during high-stakes exams.

Certification exams and professional tests evaluate your ability to apply knowledge under pressure, not merely recognize information. The Q&A approach directly mimics the exam environment, training your brain to retrieve specific facts, concepts, and procedures on demand. According to certification exam experts, one of the most effective test-taking strateg