Choose your course.
Open a separate notebook for each course.
Everything has its place from the start.
Choose your course and upload your photos. Your sources collect in one notebook. Notes with AI and transcripts are available when those services are on.
See the sample notebookPhotosynthesis is the process that turns light energy into chemical energy.
They happen in the thylakoid membranes of the chloroplast. Light energy is used to make ATP and NADPH; splitting water releases oxygen.
It happens in the stroma. Using ATP and NADPH, carbon dioxide is fixed into organic molecules.
Drop your photos. We’ll organize your notebook together.
Open a separate notebook for each course.
Everything has its place from the start.
Add a photo of the board or the lecture PDF.
With AI on, create notes from your sources.
Read, edit and study your note.
Next lecture, grow it from where you left off.
See the topics in your notebook together. Pick the topic to study, open its note and mark it when you’re done. Go at your own pace.
Definition, connection, formula, example.
So you can understand the topic again.
Don’t lose where a formula came from or what a concept means. Open notes linked to their sources, add your own words and organize your notebook your way.
Every question has an answer. Here’s what to know about your lecture notebook, sources and recordings.
Explore the notebookEvery account with a verified email has free weekly AI use; it shows as a percentage and renews 7 days after your first AI job. For more, upgrade to Notju Pro in the iPhone and iPad app: 5× the Free plan’s AI use and 2 GB of file storage. Saving sources, writing notes yourself and the study plan are free on both plans and don’t count toward AI use.
You can upload lecture photos and PDF files. Choose several photos of one lecture together and put them in order before creating a note.
Yes. You can edit the title and content of the notes in your notebook. Your changes are saved automatically, and you can go back to the source from the same screen.
Your new upload is added to the notebook as a new part. Your earlier notes and your own edits are kept, so your notebook grows with every lecture.
Yes. The source files you upload and your notes are kept with your account. You can open and download the original photo or PDF from the course’s Sources.
Choose your course and allow the microphone to start recording. You can pause, finish and listen again. When transcripts and notes are available, they’re added to the same notebook. Get consent from the lecturer and others before you record.
For reading photos and PDFs and writing notes, the sources you choose are sent to our AI provider, Anthropic (Claude); for transcripts, audio parts are sent to our transcription provider, Groq. The permission screen shows the providers before a job starts. Only saving files doesn’t start AI. Compare AI results with their sources. See our Privacy page for details.