Softwr

Browser Extensions · head to head

Greasemonkey vs Honey

Greasemonkey logo

Greasemonkey

Browser Extensions

The original userscript manager, for Firefox

From
Free
Rated
-
Full reviewWebsite
Honey logo

Honey

Browser Extensions

Automatically find and apply coupon codes

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Greasemonkey firefox only. There is no Chrome, Edge or Safari build and there never has been.; Honey browser extension requires permission to access browsing and shopping data
  • They diverge on capability: Greasemonkey covers Userscript execution, Honey covers Automatic coupon codes.
  • Prices and features above were last checked on 15 September 2026.

Where they differ

Only the attributes on which Greasemonkey and Honey actually diverge.

Attributes where Greasemonkey and Honey differ
AttributeGreasemonkeyHoney
Pricing modelopen-sourceUnknown
PlatformsFirefoxChrome, Firefox, Safari, Opera, Edge
FoundedUnknown2012

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 Greasemonkey

  • Userscript execution
  • Built-in script editor
  • GM. API
  • @resource support
  • Script localisation
  • Firefox for Android

Only in Honey

  • Automatic coupon codes
  • Price history
  • Honey Gold rewards
  • Price drop alerts
  • Chrome support
  • Firefox support
  • Edge support
  • Safari support

What people use each for

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

Greasemonkey

  • Restyling or de-cluttering a site you use dailynot Honey
  • Automating a repetitive action on a web applicationnot Honey
  • Adding a missing feature to a site you do not controlnot Honey
  • Running userscripts on Firefox for Androidnot Honey
  • Writing and testing your own scripts in the browsernot Honey

Honey

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

Where each one falls short

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

Greasemonkey

  • Firefox only. There is no Chrome, Edge or Safari build and there never has been.
  • Its API diverged from the Tampermonkey conventions most shared scripts are written against, so a script from a sharing site may need adjusting to run.
  • The dashboard is plainer than Tampermonkey's, with no diff view when a script updates itself.
  • No cloud sync of the kind Tampermonkey and Violentmonkey offer; moving machines means exporting.
  • A userscript manager can read and rewrite every page you visit, so the security of the arrangement depends entirely on the scripts you choose to install.

Honey

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

Pricing, plan by plan

Greasemonkey

Free
  • Open sourceFree
    • Unlimited scripts
    • Built-in editor
    • No account required

Honey

Free

No published plan breakdown. See the Honey review.

Which should you pick?

Choose Greasemonkey if

  • You need userscript execution.
  • You want to start without paying.
  • You work on Firefox.
  • You also want built-in script editor.
Greasemonkey review

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

Questions people ask

Is Greasemonkey or Honey better?
Neither clearly leads. Greasemonkey starts at Free and Honey at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Greasemonkey or Honey?
Greasemonkey starts at Free and Honey at Free.
Does Greasemonkey or Honey run on more platforms?
Greasemonkey runs on Firefox. Honey runs on Chrome, Firefox, Safari, Opera, Edge.
Can I use Greasemonkey for free?
Both have a free tier, so you can try either at no cost before committing.
What is Greasemonkey best used for?
Greasemonkey is most often used for restyling or de-cluttering a site you use daily, automating a repetitive action on a web application, adding a missing feature to a site you do not control, running userscripts on firefox for android. Of those, restyling or de-cluttering a site you use daily and automating a repetitive action on a web application are not what Honey is typically brought in for.
What can Greasemonkey do that Honey cannot?
Greasemonkey covers Userscript execution, Built-in script editor, GM. API, @resource support. Honey covers Automatic coupon codes, Price history, Honey Gold rewards, Price drop alerts.

Answered from the vendors’ own pages

Greasemonkey: Is Greasemonkey still maintained?

Yes. Version 4.14 was released on 2 June 2026, and the project has an active repository, bug tracker and discussion groups.

Source
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
Greasemonkey: Does Greasemonkey work on Chrome?

No. It is a Firefox extension and has never shipped for Chrome. Violentmonkey and Tampermonkey are the equivalents there.

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
Greasemonkey: Will Tampermonkey scripts run in Greasemonkey?

Often, but not always. Greasemonkey's API diverged from the conventions most shared scripts are written against, so a script may need its header or its GM calls adjusted.

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
Greasemonkey: Does Greasemonkey run on mobile?

On Firefox for Android, from version 4.12. There is no iOS build, because Firefox on iOS cannot load extensions of this kind.

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
Greasemonkey: What is the GM API?

The set of functions a userscript manager exposes to scripts, named after Greasemonkey, which defined it. Greasemonkey supports the promise-based GM. form including GM.xmlHttpRequest and GM.registerMenuCommand.

Source
Share

Related pages

More on Greasemonkey

More on Honey

Keep looking

Other head to heads