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Browser Extensions · head to head

FireMonkey vs Honey

FireMonkey logo

FireMonkey

Browser Extensions

User scripts and user styles in one Firefox extension

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: FireMonkey firefox only, and requires a recent one: version 93 on desktop, 113 on Android.; Honey browser extension requires permission to access browsing and shopping data
  • They diverge on capability: FireMonkey covers Scripts and styles together, Honey covers Automatic coupon codes.
  • Prices and features above were last checked on 15 September 2026.

Where they differ

Only the attributes on which FireMonkey and Honey actually diverge.

Attributes where FireMonkey and Honey differ
AttributeFireMonkeyHoney
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 FireMonkey

  • Scripts and styles together
  • Monaco editor with ESLint
  • Unlimited client-side storage
  • Global injection
  • Notifications and clipboard
  • 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.

FireMonkey

  • Running user scripts and user styles without two separate extensionsnot Honey
  • Restyling sites with CSS alongside scripted behaviour changesnot Honey
  • Editing scripts in a full editor inside the browsernot Honey
  • Injecting CSS globally across every sitenot Honey
  • Managing a mixed library of scripts and styles from one dashboardnot Honey

Honey

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

Where each one falls short

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

FireMonkey

  • Firefox only, and requires a recent one: version 93 on desktop, 113 on Android.
  • Not a drop-in replacement for Greasemonkey, Tampermonkey or Stylus. The project says so itself, so an existing library may need adjusting.
  • A much smaller user base than Tampermonkey or Violentmonkey, which means fewer people have hit the bug you are about to hit.
  • No Chrome, Edge or Safari build, so it cannot be the answer for anyone working across browsers.
  • Combining scripts and styles in one extension also combines the blast radius: one extension with permission to inject both into every page.

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

FireMonkey

Free
  • Open sourceFree
    • MPL-2.0 licensed
    • Unlimited scripts and styles
    • No account required

Honey

Free

No published plan breakdown. See the Honey review.

Which should you pick?

Choose FireMonkey if

  • You need scripts and styles together.
  • You want to start without paying.
  • You work on Firefox.
  • You also want monaco editor with eslint.
FireMonkey 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 FireMonkey or Honey better?
Neither clearly leads. FireMonkey 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, FireMonkey or Honey?
FireMonkey starts at Free and Honey at Free.
Does FireMonkey or Honey run on more platforms?
FireMonkey runs on Firefox. Honey runs on Chrome, Firefox, Safari, Opera, Edge.
Can I use FireMonkey for free?
Both have a free tier, so you can try either at no cost before committing.
What is FireMonkey best used for?
FireMonkey is most often used for running user scripts and user styles without two separate extensions, restyling sites with css alongside scripted behaviour changes, editing scripts in a full editor inside the browser, injecting css globally across every site. Of those, running user scripts and user styles without two separate extensions and restyling sites with css alongside scripted behaviour changes are not what Honey is typically brought in for.
What can FireMonkey do that Honey cannot?
FireMonkey covers Scripts and styles together, Monaco editor with ESLint, Unlimited client-side storage, Global injection. Honey covers Automatic coupon codes, Price history, Honey Gold rewards, Price drop alerts.

Answered from the vendors’ own pages

FireMonkey: What makes FireMonkey different from Violentmonkey?

It manages user styles as well as user scripts. The usual arrangement is a script manager plus a separate style manager such as Stylus; FireMonkey replaces both with one extension.

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
FireMonkey: Which browsers does FireMonkey support?

Firefox only. Desktop requires Firefox 93 or later and Android requires 113, with an API minimum of 102.

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
FireMonkey: Is FireMonkey open source?

Yes, under the MPL-2.0 licence.

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
FireMonkey: Will my existing Tampermonkey scripts work?

Not necessarily. The project states that while it shares functionality with Greasemonkey, Tampermonkey and Stylus, there are differences, so scripts and styles written for those may need adjusting.

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
FireMonkey: What editor does FireMonkey use?

Current versions use the Monaco editor with ESLint, the same editor component that powers VS Code.

Source
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