Learn faster, remember longer
Search a concept the moment you encounter it. Upload your notes. Ask AI for a course on anything. Then review it all at exactly the right time, so it actually sticks.
- Search any concept you encounter
- Upload files and lecture notes
- Ask AI to build a course
Your daily knowledge loop
Learn across whatever you care about
Search & Retain
Encounter. Understand. Retain.
When you Google something or ask an AI, you get an answer and forget it within a week. Look it up in Nukio instead. Same clear explanation, but it goes into your library and comes back at exactly the right time, so it actually sticks.
- Search right when it hits you
An unfamiliar term, a concept you half-understood, something you meant to look up later. Don’t wait.
- Read the focused lesson
A short, structured explanation that actually teaches the idea, not just a definition.
- It stays in your library
Add it with one tap. Spaced repetition brings it back before you forget. Now it’s actually yours.
How Nukio feels
A daily loop for curious people.
Start with something interesting. Leave with something you can remember.
Explore
Find ideas worth keeping
Browse collections, pick a topic, or jump back into something you already started.
Learn
Read one focused page
Nukio keeps concepts and vocabulary short enough for spare minutes, but rich enough to actually teach.
Go deeper
Ask when curiosity strikes
Use guided prompts to make an idea simpler, more practical, or easier to connect to what you know.
Remember
Practice before it fades
Reviews come back at the right moment, so knowledge becomes part of you instead of another forgotten note.
Build Your Own
Learn from anything that matters to you.
Upload lecture notes, a research paper, or an article. Nukio extracts the concepts new to you automatically. Or ask AI to build a complete collection on any topic you’ve been meaning to understand properly.
- Generate with AI
Name any topic: Bayesian thinking, music theory, Byzantine history. AI builds a full structured collection in seconds.
- Upload a file
PDF, EPUB, DOCX, or TXT. Nukio extracts the concepts that are new to you automatically.
- Add a link
Any article, video, or podcast URL. Paste it and Nukio pulls the ideas out for you.
- Write a note
Paste raw text, lecture notes, or an excerpt and Nukio turns it into structured lessons.
- Import flashcards
Bring your existing Anki, Quizlet, or CSV decks over. No starting from scratch.
Pricing
Start free. Upgrade when ready.
Nukio is free to use with a generous starter tier. Upgrade to Plus for an unlimited library, richer AI, and no ads.
Free
$0 / month
A simple way to try Nukio.
- Curated collections
- Spaced-repetition review
- Limited AI usage
- Limited custom collections
Plus
See in Nukio
For learning with Nukio every day.
- High AI usage
- Ad-free learning
- More imports & storage
- Unlimited custom collections
Ready to learn something today?
Open Nukio on web or download the iPhone app and start your first collection in under a minute. Free forever.