Lucideck vs Synapsi

Every word you almost learned. Language learning app screenshots. Subtitles you paused on. Phrases from that café menu. Words you looked up twice. It all goes somewhere — notes, screenshots, the back of your mind — and then it disappears. Lucideck closes the gap. Scan any foreign text, get a flashcard, and let spaced repetition do the rest. The vocabulary you actually encounter, actually remembered. HOW IT WORKS 1. Scan — Point your camera at text, or import from your photo library. Lucideck reads the language, pulls the phrase, and pairs it with a translation automatically. 2. Review — Cards come back at exactly the right moment using spaced repetition (the same science behind Anki). Easy cards appear less often. Hard ones return sooner. 3. Remember — Not a passive translation app. Lucideck builds retention through active recall — the method proven to work for long-term language memory. BUILT FOR HOW YOU ACTUALLY LEARN Most language learners don't study in a vacuum. They watch shows, read posts, travel, sit in classes — and collect vocabulary as they go. Lucideck is the system that captures it all. • Scan any text — screenshots, photos, printed pages, menus, subtitles • Automatic translation across 63 languages • On-device text recognition — no internet required to scan • Spaced repetition scheduling keeps your deck from growing out of control • Organize by deck — French café vocab separate from Japanese anime phrases • Pronunciation audio on every card • Clean, distraction-free interface designed for actual focus WHO IT'S FOR — The language learner who pauses shows constantly to look things up — The structured learner who wants real-world vocabulary alongside their daily lessons — The traveler who photographed every sign and menu abroad and never studied them — Anyone with a folder of "I'll study this later" screenshots that never gets studied SUPPORTED LANGUAGES 63 languages with automatic detection, including French, Spanish, German, Italian, Portuguese, Japanese, Korean, Chinese (Simplified), Russian, Arabic, Dutch, Polish, Swedish, Norwegian, Danish, Finnish, Turkish, Hindi, Thai, Vietnamese, Indonesian, Czech, Hungarian, Romanian, Ukrainian, Greek, Hebrew, and more. PRIVACY FIRST Text recognition runs entirely on your device. Your flashcards are stored locally and never leave your phone. No account required to get started. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Most study apps make the flashcards. Synapsi checks you actually learned them. Turn any lecture, PDF, or YouTube video into AI flashcards, a quiz, a summary, and a mind map in seconds. Then prove you know it: Synapsi runs real spaced repetition and an AI-judged Feynman teach-back that grades whether you can explain the idea in your own words. MORE SOURCES, SAME STUDY KIT Synapsi also reads web articles and short video links from TikTok, Instagram, X, and Facebook. Paste the link, get the transcript and the full study kit. Free tools (transcript, summarizer, flashcard maker) live at synapsi.guru/tools and need no account. Synapsi is free to download and includes a free preview: your first study kit, with a sample of its flashcards, quiz, and summary. Full study kits and the AI study tools below require a Synapsi Pro subscription or one-time lecture credits. WHAT SYNAPSI DOES (requires Pro or lecture credits) AI flashcard maker: auto-generate flashcards from any source. PDF to flashcards, YouTube to flashcards, lecture notes to flashcards. Spaced repetition that works: a real SM-2 system schedules reviews at the right time so facts stick. Built for exam prep and revision. Quiz generator: turn your notes into a practice quiz with instant feedback. AI summarizer: get a clean summary of a long PDF or hour-long lecture in seconds. Mind map generator: see how ideas connect with a visual mind map of your material. YouTube transcript and notes: pull the transcript from any video and turn it into study notes, flashcards, and a quiz. Feynman teach-back: explain a concept, and the AI judges your answer against the source and shows your gaps. If you can't explain it, you haven't learned it yet. AI study chat: ask questions about your own notes and get answers with citations. Smart reminders: one nudge a day, built from what is actually due. Set an exam date and Synapsi counts down to it. PERFECT FOR - Students cramming for exams and finals - College and university revision - Med, law, and language learners - Anyone who reads PDFs or watches lectures and wants to remember them WHY IT WORKS Making flashcards feels like studying. It isn't. Real learning is recall and explanation. Synapsi uses spaced repetition to make you recall and the Feynman technique to make you explain. Stop highlighting. Stop re-reading. Start proving you learned it. SUBSCRIPTION & CREDITS Synapsi is free to download. Your first study kit is a free preview. Full access requires a purchase: - Synapsi Pro: unlimited notes and every study tool. An auto-renewable subscription billed monthly or yearly (a one-time Lifetime option is also available). Your subscription renews automatically unless canceled at least 24 hours before the period ends. Manage or cancel anytime in your App Store account settings. - Lecture credits: one-time purchases. One credit buys one full lecture's study kit, with no subscription. The current prices and lengths are always shown on the purchase screen before you buy. TERMS & PRIVACY Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://synapsi.guru/privacy