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Browser Extensions · head to head

Momentum vs Stylus

Momentum logo

Momentum

Browser Extensions

Personal dashboard for focus and inspiration

From
Free
Rated
-
Full reviewWebsite
Stylus logo

Stylus

Browser Extensions

Restyle the web with custom CSS

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; Stylus crashes and instability when applying certain styles
  • They diverge on capability: Momentum covers Daily photos, Stylus covers Custom CSS injection.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Momentum and Stylus actually diverge.

Attributes where Momentum and Stylus differ
AttributeMomentumStylus
Pricing modelUnknownfree
PlatformsChrome, Firefox, Safari, Microsoft Edge, macOS (native app)Chrome, Firefox, Edge, Opera
Founded20132017

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 Stylus

  • Custom CSS injection
  • Style management
  • userstyles.world integration
  • Built-in editor
  • 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 Stylus
  • Creating focus modes with timers and productivity soundsnot Stylus
  • Maintaining priority to-do lists with completion trackingnot Stylus

Stylus

  • Customizing website appearance with community-created CSS themesnot Momentum
  • Writing personal style overrides for specific websitesnot Momentum
  • Managing multiple styles across different websites automaticallynot Momentum
  • Searching and installing user-styles for current websitesnot Momentum
  • Migrating style collections from Stylish extensionnot 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

Stylus

  • Crashes and instability when applying certain styles
  • No visual element selector tool for identifying page elements to style
  • Security risk if downloading and applying untrusted user-created styles

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

Stylus

Free
  • FreeFree
    • Custom CSS
    • Style library
    • Style editor

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 Stylus if

  • You need custom css injection.
  • You want to start without paying.
  • You work on Chrome, Firefox, Edge, Opera.
  • You also want style management.
Stylus review

Questions people ask

Is Momentum or Stylus better?
Neither clearly leads. Momentum starts at Free and Stylus at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Momentum or Stylus?
Momentum starts at Free and Stylus at Free.
Does Momentum or Stylus run on more platforms?
Momentum runs on Chrome, Firefox, Safari, Microsoft Edge, macOS (native app). Stylus runs on Chrome, Firefox, Edge, Opera.
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 Stylus is typically brought in for.
What can Momentum do that Stylus cannot?
Momentum covers Daily photos, Weather widget, Todo list, Daily focus. Stylus covers Custom CSS injection, Style management, userstyles.world integration, Built-in editor. 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
Stylus: Is Stylus free?

Yes. Stylus is completely free and open-source, available for Chrome, Firefox, Edge, and Opera browsers.

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
Stylus: Can I use Stylus to change the browser UI?

No. Due to WebExtensions security restrictions, Stylus can only customize website pages, not the browser interface itself.

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
Stylus: What CSS pre-processors does Stylus support?

Stylus supports CSS, LESS, and Stylus syntax with built-in linting using Stylelint and CSSLint-mod with customizable rules.

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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