Is Arc or Momentum better?

Neither clearly leads. Arc 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, Arc or Momentum?

Arc starts at Free and Momentum at Free.

Does Arc or Momentum run on more platforms?

Arc runs on macOS, Windows, iOS. Momentum runs on Chrome, Firefox, Safari, Microsoft Edge, macOS (native app).

Can I use Arc for free?

Both have a free tier, so you can try either at no cost before committing.

What is Arc best used for?

Arc is most often used for organizing work across multiple projects within one browser, separating personal and professional browsing with spaces, privacy-conscious web browsing without tracking, tab and window management for productivity. Of those, organizing work across multiple projects within one browser and separating personal and professional browsing with spaces are not what Momentum is typically brought in for.

What can Arc do that Momentum cannot?

Arc covers Spaces and Profiles, Split View, Themes, Privacy-First Design. Momentum covers Daily photos, Weather widget, Todo list, Daily focus.

Browser Extensions · head to head

Arc vs Momentum

Arc

Browser Extensions

Chromium-based browser organized around user workflows

From: Free
Rated: -

Full review Website

Momentum

Browser Extensions

Personal dashboard for focus and inspiration

From: Free
Rated: -

Full review Website

The short version

Each has a real cost: Arc no longer receiving active feature development as of May 2025, entering maintenance mode; Momentum free version lacks advanced task manager integrations available in Plus tier
They diverge on capability: Arc covers Spaces and Profiles, Momentum covers Daily photos.
Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Arc and Momentum actually diverge.

Attributes where Arc and Momentum differ
Attribute	Arc	Momentum
Pricing model	Free	Unknown
Platforms	macOS, Windows, iOS	Chrome, Firefox, Safari, Microsoft Edge, macOS (native app)
Founded	Unknown	2013

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 Arc

Spaces and Profiles
Split View
Themes
Privacy-First Design
Chromium Updates

Only in Momentum

Daily photos
Weather widget
Todo list
Daily focus
Chrome support
Firefox support
Edge support

What people use each for

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

Arc

Organizing work across multiple projects within one browsernot Momentum
Separating personal and professional browsing with spacesnot Momentum
Privacy-conscious web browsing without trackingnot Momentum
Tab and window management for productivitynot Momentum

Momentum

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

Where each one falls short

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

Arc

No longer receiving active feature development as of May 2025, entering maintenance mode
Limited cross-platform availability compared to mainstream browsers
Smaller ecosystem of extensions compared to Chrome
Focused on macOS and Windows, with limited iOS support

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

Arc

Free

ArcFree
- Spaces and profiles organization
- Split view customization
- Themes and personalization

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 Arc if

You need spaces and profiles.
You want to start without paying.
You work on macOS, Windows, iOS.
You also want split view.

Arc 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 Arc or Momentum better?: Neither clearly leads. Arc 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, Arc or Momentum?: Arc starts at Free and Momentum at Free.
Does Arc or Momentum run on more platforms?: Arc runs on macOS, Windows, iOS. Momentum runs on Chrome, Firefox, Safari, Microsoft Edge, macOS (native app).
Can I use Arc for free?: Both have a free tier, so you can try either at no cost before committing.
What is Arc best used for?: Arc is most often used for organizing work across multiple projects within one browser, separating personal and professional browsing with spaces, privacy-conscious web browsing without tracking, tab and window management for productivity. Of those, organizing work across multiple projects within one browser and separating personal and professional browsing with spaces are not what Momentum is typically brought in for.
What can Arc do that Momentum cannot?: Arc covers Spaces and Profiles, Split View, Themes, Privacy-First Design. Momentum covers Daily photos, Weather widget, Todo list, Daily focus.

Answered from the vendors’ own pages

Arc: Does Arc Browser cost anything to use?

Arc is completely free to download and use with no subscription required. All features are available at no cost.

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

Arc: What operating systems does Arc support?

Arc is available on macOS, Windows, and iOS. Windows and mobile versions are available for download.

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

Arc: Will Arc continue to receive new features?

As of May 2025, Arc entered maintenance mode with no new features planned. The Browser Company's focus has shifted to Dia browser, though Arc continues to receive security updates.

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

Arc vs Momentum

Arc

Momentum

The short version

Where they differ

What each one covers

Only in Arc

Only in Momentum

What people use each for

Arc

Momentum

Where each one falls short

Arc

Momentum

Pricing, plan by plan

Arc

Momentum

Which should you pick?

Choose Arc if

Choose Momentum if

Questions people ask

Answered from the vendors’ own pages

Related pages

More on Arc

More on Momentum

Keep looking

Other head to heads