Work · alternatives · 2026
24 alternatives to Harken
Spaced repetition flashcard app that makes remembering easy
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Harken launched in 2021; newer entries below may have overtaken it.
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Carden▲258Science-based flashcard app with spaced repetition
2021 · chromewebstore.google.com · its alternatives →
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Flashcards that can predict when you'll forget them. Zorbi makes it easy for anyone to create flashcards from Chrome and note-taking tools like Notion.
2021 · zorbi.cards · its alternatives →
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Zorbi▲165Make spaced repetition flashcards from Notion or Chrome
2021 · zorbi.com · its alternatives →
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Simple, beautiful, easy-to-use flashcard app for iPhone
2021 · apps.apple.com · its alternatives →
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The future of learning with flashcards, by Duolingo
2016 · duolingo.com · its alternatives →
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Learn languages with this flash card app, now on the web
2017 · its alternatives →
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Mochi▲212Take notes in markdown, review them with spaced repetition
2019 · mochi.cards · its alternatives →
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Space▲67Flashcards learned together with spaced repetition
2021 · play.google.com · its alternatives →
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Learn more efficiently and remember things longer with the power of science. CleverDeck includes 3000-word decks for most major languages.
2014 · cleverdeck.com · its alternatives →
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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!
2024 · platoedu.org · its alternatives →
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SmarterHumans.ai, co-founded by Barbara Oakley, Ph.D., offers AI-generated spaced repetition flashcards deep-linked to learning sources, revolutionizing how you remember and think.
2020 · idorecall.com · its alternatives →
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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 · its alternatives →
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- 19GA
2015 · eatginseng.com · its alternatives →
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- 21IB
Hi HN, I’m Felipe, a 9-5 developer aiming to become a full-time indie hacker. I struggled with flashcard apps that focus on decorating cards instead of learning concepts, so I built FlipCards to solve that problem. What it does: FlipCards lets you: - Create cards for any concept (math, language, coding, etc.) - Add multiple variations per card – the more variations, the better your understanding - Study smarter – the algorithm randomly selects variations so you can’t just memorize Q→A patterns Why it’s different: - Most apps use reverse cards (Q→A, A→Q). FlipCards uses variations to…
2025 · flipcardsapp.vercel.app · its alternatives →
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KardsAI▲136Convert any text, PDF or prompt into flashcards in seconds
2024 · kardsai.app · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →