Comparison · verified August 2026

Every other tool waits for you.

Save it. Upload it. Highlight it. Card it. Every memory tool on the market needs you to do something first — and that something is exactly where people give up. CogniPage is the only one that reads along.

macOS 12+ & Windows 10/11 Offline-first You approve every site, document & video

What actually happens to something you read

No system Saved, not tested CogniPage
100% 50% 0% Day 0 Day 7 Day 14 Day 30 review
Saving something and testing yourself on it are not the same act. A tool that files your highlights leaves the curve almost untouched — you still forget. CogniPage schedules a test just before each fall — and because every successful review strengthens the memory, the gap it buys you gets longer each time.
The landscape

Three ways to fight forgetting. Most tools pick one.

Retention needs all three — get it in, understand it, keep it. What separates these products is which part they leave to you.

Camp 01

Capture

Gets content in and resurfaces it gently. Excellent libraries. But rereading is recognition, not recall — you are shown the answer rather than asked for it.

Readwise · Recall

Camp 02

Retention

World-class scheduling built on decades of memory research. It assumes the cards already exist — which means you wrote every one of them.

Anki

Camp 03

Comprehension

Organises, explains, connects. Brilliant for making sense of a document today. Little or nothing that brings it back next month.

NotebookLM · Obsidian · RemNote

All three

CogniPage

Captures without being asked, builds the questions from your own reading, and schedules them with FSRS-6 fitted to your review history.

The capture step is removed, not automated

Head to head

Pick who you’re comparing us with.

Each of these is genuinely good at something. Here is what they do well, and the specific thing CogniPage does that they don’t.

CogniPage vs. NotebookLM

What NotebookLM is brilliant at: interrogating a set of documents. It answers only from the sources you give it and links every claim back to the exact passage — genuinely the best tool there is for getting on top of a pile of material quickly.

AxisNotebookLMCogniPage
Getting content inYou upload sourcesReads what is already open
Understanding itGrounded chat with citationsA structured document per material
Testing youFlashcards and quizzesSeven question types, auto-graded
Scheduling reviewNo scheduler, no due queueFSRS-6, fitted to your history
Six weeks laterNothing brings it backIt is already in today’s queue

NotebookLM helps you understand it today. CogniPage makes sure you still know it in six weeks.

Everything at once

The full picture, if you want it.

Open the complete comparison table
  CogniPage Anki RemNote Recall Readwise NotebookLM Obsidian
Ambient capture
Works inside your other apps browser browser
Lectures & video → study material
Printed books kindle
Spaced repetition scheduler FSRS-6 FSRS-6 plugin
Schedule fitted to you personally
AI builds the cards & quizzes add-ons plugins
Auto-graded with partial credit
Knowledge map / concept graph
Your personal forgetting curve stats
Offline-first
Approve capture per site, document & video

● full◐ partial○ noneChecked August 2026

Pricing

Free to download. No card needed to try.

Capture, scheduling and review run on your device and cost nothing. AI generation runs on credits — one credit is 1,000 AI tokens.

Free

$0

20 credits every month, refreshed. Unlimited capture, scheduling and review — those never spend credits.

Monthly

$4.99 /mo

1,500 credits a month. Flashcards, assessments, grading, notes and recommendations.

Yearly

$44.99 /yr

18,000 credits a year.

Save 25%

Stop choosing which part to do yourself.

Grant permission, keep reading exactly as you do now, and let CogniPage handle the remembering.

Sources & method

Competitor features and prices were checked against each vendor’s own published material in August 2026 and are summarised in good faith; products change, so follow the source links before deciding. Every CogniPage claim on this page describes shipping behaviour on macOS 12+ and Windows 10/11. All product names and trademarks belong to their respective owners.