Hey everyone, I built retenir.app because I couldn't find a study tool that actually just let me study. I’m in Grade 11, and trying to prep for my genetics unit using Notion was taking way too long to set up. Obsidian was cool, but I kept getting distracted trying to build plugins instead of doing my homework. Notability was easy, but lacking. So over the last two weeks, I just built it myself. I went on a massive sprint and vibe-coded a full-stack React and TS app from scratch (around 200 files, writing and checking pretty much every line myself). It’s basically the best parts of those three apps, but it actively does the heavy lifting for you: You drop in your PDFs and notes. I wired up agents that actually read your specific notes and generate practice quizzes. It doesn't just test basic memorization; it tests if you actually understand the concepts to apply them. It automatically schedules your review sessions so you don't have to plan. I built this to survive my own classes, but I'd love for you guys to try it out and break it. Devs, let me know if the React frontend holds up and feels snappy. Students, let me know what features are missing that would make you actually switch off Notion. I'll be hanging around in the comments all day to answer questions!

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p/retenir-study-smarter

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23d ago

Why "Retaining" information is a waste of time (unless you can Apply it).

Most productivity tools like Notion or Obsidian are great for storing information, but they re terrible for learning it. I call it "The Blank Canvas Problem" you spend 3 hours setting up a database and 0 hours actually studying.

I built retenir.app to be a "Study Engine" instead. You drop the PDF, and the agents do the setup for you so you can go straight into active testing.

What feature would make you finally delete your "Study Notes" folder in Notion?

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Retenir — Study Smarter

Don't just retain, but apply.

Don't just retain, but apply.

Forum Threads

Why "Retaining" information is a waste of time (unless you can Apply it).

Forum Threads

Why "Retaining" information is a waste of time (unless you can Apply it).