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Browser Extensions · head to head

Honey vs Mercury Reader

Honey logo

Honey

Browser Extensions

Automatically find and apply coupon codes

From
Free
Rated
-
Full reviewWebsite
M

Mercury Reader

Browser Extensions

Clear clutter from articles instantly

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Honey browser extension requires permission to access browsing and shopping data; 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
  • They diverge on capability: Honey covers Automatic coupon codes, Mercury Reader covers Content extraction.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Honey and Mercury Reader actually diverge.

Attributes where Honey and Mercury Reader differ
AttributeHoneyMercury Reader
Pricing modelUnknownfree
PlatformsChrome, Firefox, Safari, Opera, EdgeChrome, Firefox, Edge
Founded20122015

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Browser Extensions).

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 Honey

  • Automatic coupon codes
  • Price history
  • Honey Gold rewards
  • Price drop alerts
  • Safari support
  • Opera support

Only in Mercury Reader

  • Content extraction
  • Clean reading view
  • Custom themes
  • Font customization

Both cover

  • Chrome support
  • Firefox support
  • Edge support

What people use each for

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

Honey

  • Testing coupon codes automatically at checkout across 30,000 sitesnot Mercury Reader
  • Notifying shoppers of price drops on saved itemsnot Mercury Reader
  • Comparing Amazon sellers including shipping and Prime costsnot Mercury Reader
  • Supporting shopping across Chrome, Safari, and Firefox browsersnot Mercury Reader
  • Discovering deals at checkout moments without manual searchingnot Mercury Reader

Mercury Reader

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

Where each one falls short

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

Honey

  • Browser extension requires permission to access browsing and shopping data
  • Limited to 30,000+ retailer sites; not all retailers supported

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

Pricing, plan by plan

Honey

Free

No published plan breakdown. See the Honey review.

Mercury Reader

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

Which should you pick?

Choose Honey if

  • You need automatic coupon codes.
  • You want to start without paying.
  • You work on Chrome, Firefox, Safari, Opera, Edge.
  • You also want price history.
Honey review

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

Questions people ask

Is Honey or Mercury Reader better?
Neither clearly leads. Honey starts at Free and Mercury Reader at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Honey or Mercury Reader?
Honey starts at Free and Mercury Reader at Free.
Does Honey or Mercury Reader run on more platforms?
Honey runs on Chrome, Firefox, Safari, Opera, Edge. Mercury Reader runs on Chrome, Firefox, Edge.
Can I use Honey for free?
Both have a free tier, so you can try either at no cost before committing.
What is Honey best used for?
Honey is most often used for testing coupon codes automatically at checkout across 30,000 sites, notifying shoppers of price drops on saved items, comparing amazon sellers including shipping and prime costs, supporting shopping across chrome, safari, and firefox browsers. Of those, testing coupon codes automatically at checkout across 30,000 sites and notifying shoppers of price drops on saved items are not what Mercury Reader is typically brought in for.
What can Honey do that Mercury Reader cannot?
Honey covers Automatic coupon codes, Price history, Honey Gold rewards, Price drop alerts. Mercury Reader covers Content extraction, Clean reading view, Custom themes, Font customization. Both handle Chrome support, Firefox support, Edge support.

Answered from the vendors’ own pages

Honey: Is Honey free to use?

Yes, Honey's browser extension is completely free to use with no subscription fees. Users can earn rewards through purchases on participating sites and redeem points for gift cards.

Source
Honey: What browsers does Honey support?

Honey is available for Chrome, Firefox, Safari, Opera, and Edge browsers on desktop. iOS users can enable the extension for mobile Safari through the PayPal mobile app, but Android does not currently support the mobile extension.

Source
Honey: How does Honey search for coupon codes?

Honey automatically searches for and tests available coupon codes at checkout on 30,000+ popular sites. If a working code is found, Honey applies the one with the biggest savings to your cart.

Source
Honey: Can I track price drops with Honey?

Yes, Honey's Droplist feature allows you to add items and receive notifications about price drops, helping you find the best time to purchase.

Source
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