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Browser Extensions · head to head

Dark Reader vs Momentum

Dark Reader logo

Dark Reader

Browser Extensions

Dark mode for every website

From
Free
Rated
-
Full reviewWebsite
Momentum logo

Momentum

Browser Extensions

Personal dashboard for focus and inspiration

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Dark Reader cannot modify PDF files displayed in browsers; Momentum free version lacks advanced task manager integrations available in Plus tier
  • They diverge on capability: Dark Reader covers Dark mode, Momentum covers Daily photos.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Dark Reader and Momentum actually diverge.

Attributes where Dark Reader and Momentum differ
AttributeDark ReaderMomentum
PlatformsChrome, Firefox, Safari, EdgeChrome, Firefox, Safari, Microsoft Edge, macOS (native app)
Founded20142013

Identical on both: starting price (Free), pricing model (Unknown), 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 Dark Reader

  • Dark mode
  • Custom brightness
  • Contrast adjustment
  • Site-specific settings
  • Safari support

Only in Momentum

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

Both cover

  • Chrome support
  • Firefox support
  • Edge support

What people use each for

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

Dark Reader

  • Applying dark mode to websites that don't natively support itnot Momentum
  • Reducing eye strain for night-time or extended browsingnot Momentum
  • Per-site brightness, contrast, and sepia customizationnot Momentum
  • Toggling dark mode on/off per domainnot Momentum
  • Accessibility use for light-sensitive usersnot Momentum

Momentum

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

Where each one falls short

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

Dark Reader

  • Cannot modify PDF files displayed in browsers
  • Performance impact on devices with limited resources

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

Pricing, plan by plan

Dark Reader

Free

No published plan breakdown. See the Dark Reader review.

Momentum

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

Which should you pick?

Choose Dark Reader if

  • You need dark mode.
  • You want to start without paying.
  • You work on Chrome, Firefox, Safari, Edge.
  • You also want custom brightness.
Dark Reader review

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

Questions people ask

Is Dark Reader or Momentum better?
Neither clearly leads. Dark Reader starts at Free and Momentum at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Dark Reader or Momentum?
Dark Reader starts at Free and Momentum at Free.
Does Dark Reader or Momentum run on more platforms?
Dark Reader runs on Chrome, Firefox, Safari, Edge. Momentum runs on Chrome, Firefox, Safari, Microsoft Edge, macOS (native app).
Can I use Dark Reader for free?
Both have a free tier, so you can try either at no cost before committing.
What is Dark Reader best used for?
Dark Reader is most often used for applying dark mode to websites that don't natively support it, reducing eye strain for night-time or extended browsing, per-site brightness, contrast, and sepia customization, toggling dark mode on/off per domain. Of those, applying dark mode to websites that don't natively support it and reducing eye strain for night-time or extended browsing are not what Momentum is typically brought in for.
What can Dark Reader do that Momentum cannot?
Dark Reader covers Dark mode, Custom brightness, Contrast adjustment, Site-specific settings. Momentum covers Daily photos, Weather widget, Todo list, Daily focus. Both handle Chrome support, Firefox support, Edge support.

Answered from the vendors’ own pages

Dark Reader: Is Dark Reader free to use?

Yes, Dark Reader is completely free with no ads and no tracking. It does not send user data anywhere.

Source
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
Dark Reader: How can I customize the dark mode in Dark Reader?

Users can configure brightness, contrast, and sepia filter settings to suit their specific needs, and selectively enable or disable Dark Reader for specific websites.

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
Dark Reader: What browsers does Dark Reader support?

Dark Reader is available for Chrome, Firefox, Safari, and Edge browsers across desktop and mobile platforms.

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
Dark Reader: Does Dark Reader work offline?

Yes, Dark Reader runs entirely on your device with no external dependencies. It analyzes web pages locally to generate dark themes.

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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