Echoes - The ideas you chose to keep, back as a daily notification.
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You read non-fiction. Weeks later you remember the main idea, but not the principles that resonated most while reading. Echoes keeps what you decided was worth remembering and puts it back in front of you, one notification at a time.
For people who want to apply what they read not just read it.
Name a book and Echoes pulls out its principles. Keep the ones that resonate, add your own quotes and notes. They come back as daily notifications. Over time you build your own library of wisdom.

Replies
I read a lot. For years the quotes and ideas I wanted to keep went into Notes, and nothing in Notes ever got read again.
Then I moved mostly to audiobooks and it got worse. I’d finish a book and remember the argument but not one thing I could actually do differently.
And some of the things I most need reminding of aren’t from books at all. Call my parents. Tell them I love them.
Underneath all three is the same problem. I read to change what I do, and the gap between what I do and what I know I should do is wide. Becoming a parent and reading the parenting books made that hard to ignore.
Echoes is what I built. Name a book and it pulls out the principles that you can apply in your day to day, not summaries. Screenshot or paste anything you want to keep — a quote, a thought, a note to yourself. Keep what matters and it comes back as notifications through the day. iOS only.
What would help most:
Try it with a book you know well. Are the principles it pulls out the ones you’d have picked? Where does it miss?
Is there a use I’ve missed? Tell me what you’d actually use it for, not what it could do.
Any other apps that you saw solving similar problem?