Head to head · Productivity · updated Oct 25, 2026
Reflect vs NotebookLM
Reflect scores 23 to NotebookLM's 17 on public evidence for AI notes & second brain, and they rank #3 and #4 there. Only NotebookLM has a free tier. Numbers below are the same public signals the ranking uses, recomputed nightly — nothing here is sponsored.
Reflect
An end-to-end encrypted networked notes app with backlinks, calendar sync and a GPT-powered assistant.
+ Fast, encrypted, and the AI can run custom prompts over your notes and voice transcriptions.
− No Windows or Android app and no free plan.
NotebookLM
A grounded research notebook that answers only from the sources you upload and can turn them into Audio Overview podcasts.
+ Answers are grounded strictly in your uploaded PDFs, Docs, URLs and YouTube videos with citations, and Audio Overviews turn them into a two-host podcast.
− Sources are capped per notebook and the free tier limits daily queries and audio generations.
Side by side
public evidence| Reflect | NotebookLM | |
|---|---|---|
| Evidence score / 100 | 23 | 17 |
| GitHub stars | closed source | closed source |
| Hacker News stories, 30d | 7 | 1 |
| Release-feed mentions, 30d | 0 | 0 |
| Last activity | – | – |
| Pricing | Paid · $10/mo billed annually | Free tier · Free; NotebookLM Plus via Google AI Pro $19.99/mo |
| Platforms | mac, ios, web | web, ios, android |
| Maker | Reflect |
Which one?
Pick Reflect if
- you want the stronger public evidence (23 vs 17)
- you need it on mac
Best for Apple users wanting encrypted linked notes.
Pick NotebookLM if
- you want a free tier to start on
- you need it on android
Best for studying a fixed set of documents.