Alternatives
Products that do what Anki/Duolingo-like app using educational YouTube videos does
Hi HN, I watch A LOT of educational YouTube videos but wasn't forgetting a good chunk of the details because I was only really passively watching. So I made a tool that generates quiz questions/flashcards from YouTube videos, and uses spaced repetition like Anki or Duolingo to keep it in memory. Let me know if you find it cool/useful (or terrible ) or if you want to know a bit about the details!
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I've been working on a little side project that combines Duolingo-like listening comprehension exercises with real content . Every video is transcribed to get much better transcripts than the closed captions. I filter on high quality transcripts, and afterwards a LLM selects only plausible segments for the exercises. This seems to work well for quality control and seems to be reliable enough for these short exercises. Would love your thoughts!
2025 · app.fluentsubs.com
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Hi! Wanted to share the project I really wanted to have. TLDR; this app lets you create your own list of words and you get a Duolingo-like experience (kind of, still needs a lot of features) practicing those words in their context. My English is not the best but not the worst either. But I realized I can't boost it up after a certain level! In my belief, in order to truly learn a language, you need to be exposed to that language often. Vocabulary is the key factor here if you really want to improve in any language. My experience is that when I read a book to improve my English vocabulary, I…
2025 · github.com
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Hey HN, I am a student shipping apps in my free time. This is my 4th for the year! Non-fic books and podcasts have been part of my life for years now but I always struggled with remembering what I’ve read or listened to. I wanted it to stick even after years. My notes list grew large but I never really revisited them. That’s why I created GinkgoNotes. You can enter notes you want to recall and leave it to the app to create a personalised (based on spaced repetition) email schedule. That means you’ll get your notes emailed to you a couple of times exactly when you should read them again…
2024 · ginkgonotes.com
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Here is a tool I built initially for myself to help with my German and Greek language studies. It started as a hack for creating Anki cards from native language audio. It extracts the words, finds their base forms (lemmas) and groups the examples by the lemma. At some point I realised that I have a transcription with word level timestamps that opens a lot of other opportunities. So I added a mode to click the first and last word in the transcript and it starts looping with the right gap and repeat count. Another feature I use a lot is selecting an audio fragment, sending a predefined prompt…
Jun 2026 · lingochunk.com
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Hi HN, I have been studying languages as a hobby for a large portion of my life. Hence, I decided to create a spaced repetion app with the techniques that have helped me the most so far. It's aims to be made simple for the regular user to plug and play. I'd love to hear your feedback!
2025 · koshka.app
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I’ve been tinkering with Ricotta for about a year now and I'm happy to announce it’s ready to for others to use officially. Largely the time has been spent making the project a framework to spin up newer projects quickly which I can share details around if anyone is interested. The app was born out of my frustration with Duolingo drilling me on words I knew. I moved on to creating custom Anki cards and found myself spending ages creating decks. It’s free, uses spaced repetition under the hood, and focuses on helping you learn what you want to without a course structure. I'd love to hear your…
2025 · ricotta.affineur.io
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Hi! I'm living as an expat in France and I had a hard time following the news. So I've been working on Fluentsubs that turns YouTube content into a language learning experience. YouTube videos up to 20 minutes can be transcribed and listened to. At the same time I made it easy to lookup certain words and automatically add spaced repetition cards using the given context. This means that you can also rehearse with a real voice and not with AI dubs. This works especially well for the somewhat smaller languages that have a small track on Duolingo, and now are desperately looking for content…
2025 · fluentsubs.com
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Hi Everyone, I recently wanted to learn Japanese with duolingo but it kept giving me repetitive lessons. So I built an app that gives a variety of lessons from anime. You can try it out here:https://kanjieight.vercel.app/ Thanks everyone.
Nov 2025 · kanjieight.vercel.app
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Hey HN, this is my first product launch. I built You2Anki along my language learning journey to aid my vocabulary from any content I want. Most tools I tried weren’t particularly made for language acquisition. You2Anki was designed with that focus in mind. Simple, intuitive and distraction-free. I hope it helps you!
2025 · you2anki.com
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I've been learning Japanese for a few years and kept running into a similar problem. I'd find a video I wanted to learn from, hear a useful sentence, and then realise that turning that sentence into something I could study later was both time consuming and draining at times. I would end up jumping between a video player, subtitles/transcription, a dictionary, screenshots, audio clips and Anki. So I built SubSmith to bring that workflow together. You can drop a video or audio file into it, generate a transcript locally and then use the transcript alongside the media to: * look up words…
9d ago · subsmith.app
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Hi HN, Just wanted to share a tool i've been working on to help with my own study routine. It’s a browser extension called Lingoku. The idea is simple: we spend hours browsing the web in English every day. This tool replaces some of the english words with Japanese vocabulary based on your japanese level (Similar to Toucan, but with a better user experience). It’s basically an attempt to make the "i+1" method actually passive, you understand the sentence because it's mostly english, but you pick up Japanese words naturally from the context. It uses an LLM in the backend to make sure the…
Dec 2025 · lingoku.ai
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2022 · roshi.ai
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Owl is built a spaced repetition app. We built it for ourselves mostly because we were unhappy with Anki from a UX perspective, and are now releasing it to everybody else. It is super tiny, but - we think - also pretty good. You can add your own decks manually, or generate them from a PDF (think academic papers, which is how I use that feature) or a prompt. There are no emails except study reminders (when there are cards to study). You can also use our "AI tutor" to review cards conversationally. Looking forward to your feedback!
2025 · owl.cards
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Hey there! Out of the necessity to teach my son a new language, I developed an app just for him. After months of use and realizing how effective it was, I decided to make it available to the public. Now, I’m looking for your support, feedback, and possibly help in reaching potential customers. Take a look and let me know your thoughts! Thank you!
2024 · voiczy.com
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Tl;dr: I built an alternative iOS/macOS app to Anki/Quizlet for learning vocabulary. You can write, collect and review example sentences with which you learn words more effectively than by just reviewing their definitions. A few years ago I wanted to improve my writing. As part of the learning process, I also wanted to expand my vocabulary. I’d highlight unknown words as I was reading books, and I’d saved them to flashcard apps. I’d reviewed them daily and for a long time I thought I was making good progress: during reviews, I’d usually guess correctly the meaning of words. My…
2022
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Hey HN community, excited to share a project that I've worked on. On EduTube you can discover 1000+ hand-selected educational YouTube videos. YouTube has a lot of really great educational content but it's hard to find the really good ones. Personally, I find that the recommendations page often falls short, and I've lost count of how many times I've struggled to select a video to watch while eating, only to end up with cold food. There are a couple of categories that are free and if someone wants to have access to everything there is a 20$ one time payment. I always appreciate feedback if…
2023 · edutube.app
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