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Browser Extensions · head to head

Mercury Reader vs Notion AI

M

Mercury Reader

Browser Extensions

Clear clutter from articles instantly

From
Free
Rated
-
Full reviewWebsite
Notion AI logo

Notion AI

Writing & Documentation

AI-powered productivity within Notion

From
$10/month
Rated
-
Full reviewWebsite

The short version

  • Only Mercury Reader has a free tier, so it costs nothing to try first.
  • Each has a real cost: Mercury Reader mercury Reader's underlying engine (Postlight Parser) is free open source software licensed under Apache License 2.0, per the GitHub repository, with no paid tier; Notion AI full AI access including agents and meeting notes requires the Business plan at $20 per member per month, double the $10 Plus plan
  • They diverge on capability: Mercury Reader covers Content extraction, Notion AI covers Writing assistance.

Where they differ

Only the attributes on which Mercury Reader and Notion AI actually diverge.

Attributes where Mercury Reader and Notion AI differ
AttributeMercury ReaderNotion AI
Starting priceFree$10/month
Pricing modelfreesubscription
Free tierYesNo
PlatformsChrome, Firefox, EdgeWeb, Desktop, Mobile
CategoryBrowser ExtensionsWriting & Documentation
Founded20152016

Identical on both: user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Mercury Reader

  • Content extraction
  • Clean reading view
  • Custom themes
  • Font customization
  • Chrome support
  • Firefox support
  • Edge support

Only in Notion AI

  • Writing assistance
  • Summarization
  • Translation
  • Q&A
  • Native Notion
  • Slack
  • Google Drive
  • Web support

What people use each for

The jobs each tool is most often brought in to do.

Mercury Reader

No use cases recorded yet. See the Mercury Reader review.

Notion AI

  • Generating and summarising documents inside a Notion workspacenot Mercury Reader
  • Autofilling database properties and searching across connected toolsnot Mercury Reader

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Mercury Reader

  • Mercury Reader's underlying engine (Postlight Parser) is free open source software licensed under Apache License 2.0, per the GitHub repository, with no paid tier

Notion AI

  • Full AI access including agents and meeting notes requires the Business plan at $20 per member per month, double the $10 Plus plan
  • The Free and Plus plans offer trial AI capabilities rather than the full feature set
  • AI is not sold separately from the workspace seat, so every member must be upgraded to reach it
  • Zero data retention with LLM providers is Enterprise only, which is custom priced

Pricing, plan by plan

Mercury Reader

Free
  • FreeFree
    • Clutter removal
    • Clean reading
    • Custom themes

Notion AI

$10/month
  • Plus with AI$10/month
    • Unlimited AI usage
    • Unlimited blocks
  • Business with AI$15/month
    • Advanced permissions
    • SAML SSO

Which should you pick?

Choose Mercury Reader if

  • You need content extraction.
  • You want to start without paying.
  • You work on Chrome, Firefox, Edge.
  • You also want clean reading view.
Mercury Reader review

Choose Notion AI if

  • You need writing assistance.
  • You work on Web, Desktop, Mobile.
  • You also want summarization.
Notion AI review

Questions people ask

Is Mercury Reader or Notion AI better?
Neither clearly leads. Mercury Reader starts at Free and Notion AI at $10/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Mercury Reader or Notion AI?
Mercury Reader has a free tier; the other does not. Paid plans start at Free for Mercury Reader and $10/month for Notion AI.
Does Mercury Reader or Notion AI run on more platforms?
Mercury Reader runs on Chrome, Firefox, Edge. Notion AI runs on Web, Desktop, Mobile.
Can I use Mercury Reader for free?
Yes. Mercury Reader has a free tier, so you can try it without paying. Notion AI starts at $10/month.
What can Mercury Reader do that Notion AI cannot?
Mercury Reader covers Content extraction, Clean reading view, Custom themes, Font customization. Notion AI covers Writing assistance, Summarization, Translation, Q&A.
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