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Gemini Notebook vs Skim

Features, pricing, ratings, and pros and cons, side by side.

Gemini Notebook logo

Gemini Notebook

Google's Gemini Notebook, formerly NotebookLM, answers questions and builds summaries from your own sources

Freemium
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Verdict

Gemini Notebook is listed under AI Assistants and Skim under Productivity. Gemini Notebook scores higher in FinderAtlas's editorial review (8.7 vs 7.6 out of 10). Only Gemini Notebook has a free plan or trial. Only Gemini Notebook is available on iOS and Android.

Best overall

Gemini Notebook

  • Students
  • Researchers
  • Educators
  • Analysts

Choose Gemini Notebook if

  • You want a tool built for summarizing and questioning your own documents.
  • Answers cite the uploaded sources, so claims can be checked against the original text.
  • Free Standard tier with 100 notebooks and 50 sources per notebook.

Choose Skim if

  • You want a tool built for quick pre-signature review of leases, contractor quotes and terms of service, drafting a reply to push back on a clause.
  • Simple one-off $9 price covering up to 3 documents, with no subscription.
  • No account or prompt writing required.
Best value
Gemini Notebook
Best for beginners
Skim
Best for business
Skim

Features

16 features compared.

  • Source-grounded chat
    Gemini Notebook
    Available
    Skim
    Not available
  • Audio Overviews
    Gemini Notebook
    Available
    Skim
    Not available
  • Video Overviews
    Gemini Notebook
    Available
    Skim
    Not available
  • Study tools
    Gemini Notebook
    Available
    Skim
    Not available
  • Reports, slide decks and infographics
    Gemini Notebook
    Available
    Skim
    Not available
  • Multiple source types
    Gemini Notebook
    Available
    Skim
    Not available
  • Cloud computer
    Gemini Notebook
    Available
    Skim
    Not available
  • Gemini app sync
    Gemini Notebook
    Available
    Skim
    Not available
  • Sharing and public notebooks
    Gemini Notebook
    Available
    Skim
    Not available
  • Five red flags
    Gemini Notebook
    Not available
    Skim
    Available
  • Plain-English rewrite
    Gemini Notebook
    Not available
    Skim
    Available
  • Paste-ready reply
    Gemini Notebook
    Not available
    Skim
    Available
  • PDF upload or pasted text
    Gemini Notebook
    Not available
    Skim
    Available
  • No account
    Gemini Notebook
    Not available
    Skim
    Available
  • Free sample
    Gemini Notebook
    Not available
    Skim
    Available
  • One-time pricing
    Gemini Notebook
    Not available
    Skim
    Available

Pricing

Plans as listed by each vendor. Check their sites for current prices.

  • Pricing model
    Gemini Notebook
    Freemium
    Skim
    Paid
  • Free plan
    Gemini Notebook
    Yes
    Skim
    No
  • Starting price
    Gemini Notebook
    $0
    Skim
    $9
  • Plans
    Gemini Notebook
    5 plans
    Skim
    1 plan

Gemini Notebook plans

  • Standard

    $0

    Free with a Google Account

    • 100 notebooks
    • 50 sources per notebook
    • Audio Overviews
    • Chat with citations

  • Plus

    $4.99/month

    Through the Google AI Plus subscription

    • 200 notebooks
    • 100 sources per notebook
    • Early access to features
    • 2x higher usage than Free

  • Pro

    Most popular

    $19.99/month

    Through the Google AI Pro subscription

    • 500 notebooks
    • 300 sources per notebook
    • Higher Gemini model access
    • Priority access to new features
    • Watermark removal
    • 4x higher usage than Free

  • Ultra 5x

    $99.99/month

    Through the Google AI Ultra subscription

    • 500 notebooks
    • 500 sources per notebook
    • Highest Gemini model access
    • 5x higher usage limits than AI Pro
    • Cloud computer for code execution

  • Ultra 20x

    $199.99/month

    Through the Google AI Ultra subscription at the higher tier

    • 500 notebooks
    • 600 sources per notebook
    • Highest Gemini model access
    • 20x higher usage limits than AI Pro
    • Cloud computer for code execution

Skim plans

  • Skim Check

    Most popular

    $9/one-time

    One payment covering up to 3 documents, no account needed.

    • Five red flags per document
    • Rewrite for each flag
    • Paste-ready reply
    • Up to 3 documents
    • Stripe Checkout

Our ratings

Scored out of 10 by the Finder Atlas editorial team. Last reviewed November 2026.

Gemini Notebook
8.7overall
Skim
7.6overall

  • Grounded Citation Fidelity

    Gemini Notebook
    8.8
    Skim
    Not rated

  • Audio Overview Quality

    Gemini Notebook
    8.7
    Skim
    Not rated

  • Source Handling

    Gemini Notebook
    8.6
    Skim
    Not rated

  • Output Formats

    Gemini Notebook
    8.8
    Skim
    Not rated

  • Value for Money

    Gemini Notebook
    8.5
    Skim
    Not rated

  • Clause Detection

    Gemini Notebook
    Not rated
    Skim
    7.0

  • Output Usefulness

    Gemini Notebook
    Not rated
    Skim
    7.5

  • Ease of Use

    Gemini Notebook
    Not rated
    Skim
    8.5

  • Pricing Clarity

    Gemini Notebook
    Not rated
    Skim
    9.0

  • Transparency

    Gemini Notebook
    Not rated
    Skim
    6.0

Scores weigh documented features, plan value, platform coverage, integrations and user feedback. A missing score means we have not rated that area yet.

Pros and cons

Gemini Notebook

Pros

  • Answers cite the uploaded sources, so claims can be checked against the original text
  • Free Standard tier with 100 notebooks and 50 sources per notebook
  • Wide range of outputs, including Audio Overviews, Video Overviews, mind maps, flashcards, quizzes and slide decks
  • Accepts PDFs, websites, YouTube videos, audio files, Google Docs and Google Slides
  • Available on web, iOS and Android, and synced with the Gemini app

Cons

  • Works from the sources you add and is not built for live web news search
  • Higher limits require a Google AI subscription; Ultra starts at $99.99 per month
  • The cloud computer for code execution started with Ultra and Workspace AI Ultra Access customers, with Pro rollout still described as upcoming
  • No public API for the consumer product, and the renamed brand can make older guides and app listings confusing

Skim

Pros

  • Simple one-off $9 price covering up to 3 documents, with no subscription
  • No account or prompt writing required
  • Output includes a rewrite and a ready-to-send reply, not just a list of risks
  • Free sample report to judge quality before paying
  • Privacy page clearly states what is and is not stored

Cons

  • Only the first 20,000 characters of a document are analyzed
  • Document text goes to xAI, whose retention Skim does not control
  • Fixed five-flag output with no follow-up chat
  • Operator, company and contact details are not disclosed on the site
  • Not legal advice, and no independent reviews found

Platforms

  • Web
    Gemini Notebook
    Supported
    Skim
    Supported
  • Windows
    Gemini Notebook
    Not supported
    Skim
    Not supported
  • macOS
    Gemini Notebook
    Not supported
    Skim
    Not supported
  • iOS
    Gemini Notebook
    Supported
    Skim
    Not supported
  • Android
    Gemini Notebook
    Supported
    Skim
    Not supported
  • API
    Gemini Notebook
    Not supported
    Skim
    Not supported
  • Browser Extension
    Gemini Notebook
    Not supported
    Skim
    Not supported

Integrations

Gemini Notebook

4 integrations
  • Google Docs
  • Google Slides
  • YouTube
  • Gemini app

Skim

No integrations listed.

Company

  • Company
    Gemini Notebook
    Google LLC
    Skim
    Not listed
  • Founded
    Gemini Notebook
    1998
    Skim
    Not listed
  • Headquarters
    Gemini Notebook
    Mountain View, CA
    Skim
    Not listed
  • Monthly users
    Gemini Notebook
    30M+
    Skim
    Not listed
  • Listing
    Gemini Notebook
    Claimed
    Skim
    Not claimed

Frequently asked questions

Is Gemini Notebook better than Skim?

It depends on your workflow. Gemini Notebook is built for summarizing and questioning your own documents. Skim is built for quick pre-signature review of leases, contractor quotes and terms of service, drafting a reply to push back on a clause.

What are the key feature differences between Gemini Notebook and Skim?

Gemini Notebook: Google's Gemini Notebook, formerly NotebookLM, answers questions and builds summaries from your own sources. Skim: Find the five contract clauses most likely to cost you money before you sign.

Does Gemini Notebook or Skim have a free plan?

Gemini Notebook has a free plan or trial; Skim is paid only.

Which is cheaper, Gemini Notebook or Skim?

Gemini Notebook starts at $0 and Skim starts at $9. See the pricing table above for what each tier includes.