I combined spaced repetition with emails so you can remember anything
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…
In plain words
GinkgoNotes helps users retain information from books and podcasts by combining notes with spaced repetition. Users enter notes they want to remember, and the app automatically sends personalized reminder emails timed according to the Ebbinghaus Forgetting Curve to reinforce retention. Instead of accumulating unreviewed notes, the system ensures users revisit key information at optimal intervals for long-term memory. The app is designed for learners and readers who struggle to retain material they've consumed over time.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
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 (based on Ebbinghaus's Forgetting Curve) so it’s certain that you’ll remember them. I hope this will be helpful as it was for me. Would love some feedback! Iskren
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