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Browser Extensions · head to head

Momentum vs Tampermonkey

Momentum logo

Momentum

Browser Extensions

Personal dashboard for focus and inspiration

From
Free
Rated
-
Full reviewWebsite
Tampermonkey logo

Tampermonkey

Browser Extensions

The most popular userscript manager

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Momentum free version lacks advanced task manager integrations available in Plus tier; Tampermonkey only source code up to version 2.9 is GPLv3; all newer versions are distributed under a proprietary license despite the extension itself being free to use
  • They diverge on capability: Momentum covers Daily photos, Tampermonkey covers Userscript management.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Momentum and Tampermonkey actually diverge.

Attributes where Momentum and Tampermonkey differ
AttributeMomentumTampermonkey
Pricing modelUnknownopen-source
PlatformsChrome, Firefox, Safari, Microsoft Edge, macOS (native app)Web, Windows, macOS, Linux, Android
Founded20132010

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 Momentum

  • Daily photos
  • Weather widget
  • Todo list
  • Daily focus

Only in Tampermonkey

  • Userscript management
  • Script editor
  • Auto-update
  • Cloud sync
  • Safari support
  • Opera support

Both cover

  • Chrome support
  • Firefox support
  • Edge support

What people use each for

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

Momentum

  • Setting daily focus goals from a browser new tabnot Tampermonkey
  • Creating focus modes with timers and productivity soundsnot Tampermonkey
  • Maintaining priority to-do lists with completion trackingnot Tampermonkey

Tampermonkey

  • Auto-run custom JavaScript to add features to specific websitesnot Momentum
  • Block ads, remove clutter, or reformat page layout via community/personal userscriptsnot Momentum
  • Run scripts sourced from Greasy Fork or similar userscript repositoriesnot Momentum
  • Automate repetitive web tasks such as form-filling or redirect skipping via installed scriptsnot Momentum

Where each one falls short

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

Momentum

  • Free version lacks advanced task manager integrations available in Plus tier
  • Habit tracking and metrics features only available in paid plan
  • Limited customization options in free version compared to premium tier
  • Syncing with external task managers requires Plus subscription

Tampermonkey

  • Only source code up to version 2.9 is GPLv3; all newer versions are distributed under a proprietary license despite the extension itself being free to use
  • Under Manifest V3, GM_webRequest is not (yet) supported
  • Under Manifest V3, GM_xmlhttpRequest fires only one progress event instead of streaming progress, requiring a responseType: 'stream' workaround
  • Since v5.3.2, Chrome/Edge (MV3) requires the user to manually enable Developer Mode, or from Chrome 138+ a per-extension 'Allow User Scripts' toggle, before any userscript will run

Pricing, plan by plan

Momentum

Free
  • FreeFree
    • Daily focus
    • To-do lists
    • Weather and links
  • Momentum Plus$undefined/mo
    • Unlimited Focus Mode
    • Vision board creation
    • Tab Stash functionality

Tampermonkey

Free

No published plan breakdown. See the Tampermonkey review.

Which should you pick?

Choose Momentum if

  • You need daily photos.
  • You want to start without paying.
  • You work on Chrome, Firefox, Safari, Microsoft Edge, macOS (native app).
  • You also want weather widget.
Momentum review

Choose Tampermonkey if

  • You need userscript management.
  • You want to start without paying.
  • You work on Web, Windows, macOS, Linux, Android.
  • You also want script editor.
Tampermonkey review

Questions people ask

Is Momentum or Tampermonkey better?
Neither clearly leads. Momentum starts at Free and Tampermonkey at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Momentum or Tampermonkey?
Momentum starts at Free and Tampermonkey at Free.
Does Momentum or Tampermonkey run on more platforms?
Momentum runs on Chrome, Firefox, Safari, Microsoft Edge, macOS (native app). Tampermonkey runs on Web, Windows, macOS, Linux, Android.
Can I use Momentum for free?
Both have a free tier, so you can try either at no cost before committing.
What is Momentum best used for?
Momentum is most often used for setting daily focus goals from a browser new tab, creating focus modes with timers and productivity sounds, maintaining priority to-do lists with completion tracking. Of those, setting daily focus goals from a browser new tab and creating focus modes with timers and productivity sounds are not what Tampermonkey is typically brought in for.
What can Momentum do that Tampermonkey cannot?
Momentum covers Daily photos, Weather widget, Todo list, Daily focus. Tampermonkey covers Userscript management, Script editor, Auto-update, Cloud sync. Both handle Chrome support, Firefox support, Edge support.

Answered from the vendors’ own pages

Momentum: Is Momentum free?

Momentum offers a free version with core features like daily focus, to-do lists, weather, and motivational quotes. Premium features are available through Momentum Plus subscription.

Source
Tampermonkey: How much does Tampermonkey cost?

Tampermonkey is completely free for all versions and across all supported browsers including Chrome, Edge, Safari, Opera, and Firefox.

Source
Momentum: What is Focus Mode in Momentum?

Focus Mode displays your main daily objective on the new tab page to keep you centered on your primary task and reduce distractions throughout your workday.

Source
Tampermonkey: Is Tampermonkey available on all browsers?

Yes, Tampermonkey is available on Chrome 120 and later, Microsoft Edge, Safari, Opera Next, and Firefox with no cost.

Source
Momentum: Does Momentum integrate with task managers?

Yes. Momentum Plus integrates with popular task managers including Todoist, Asana, and ClickUp, allowing seamless synchronization of your tasks.

Source
Momentum: What platforms does Momentum support?

Momentum is available on Chrome, Firefox, Safari, and Microsoft Edge as a browser extension, with a native macOS app also available.

Source
Momentum: Does Momentum Plus include soundscapes?

Yes. Momentum Plus subscribers get access to Focus Mode soundscapes designed for concentration and deep work, along with other premium features.

Source
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