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Browser Extensions · head to head

Arc vs Logseq

Arc logo

Arc

Browser Extensions

Chromium-based browser organized around user workflows

From
Free
Rated
-
Full reviewWebsite
Logseq logo

Logseq

Content Creation

Free open-source note-taking with linked thoughts

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Arc no longer receiving active feature development as of May 2025, entering maintenance mode; Logseq aGPL-3.0 licensing requires derivative works to be open-source
  • They diverge on capability: Arc covers Spaces and Profiles, Logseq covers Markdown-based notes.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Arc and Logseq actually diverge.

Attributes where Arc and Logseq differ
AttributeArcLogseq
Pricing modelFreeopen-source
PlatformsmacOS, Windows, iOSmacOS, Linux, Windows, iOS, Android, Web
CategoryBrowser ExtensionsContent Creation
FoundedUnknown2020

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

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 Logseq

  • Markdown-based notes
  • Bidirectional linking
  • Graph visualization
  • Backlinks
  • Tags
  • Daily notes
  • Journaling
  • Search and filtering

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 Logseq
  • Separating personal and professional browsing with spacesnot Logseq
  • Privacy-conscious web browsing without trackingnot Logseq
  • Tab and window management for productivitynot Logseq

Logseq

  • Privacy-first knowledge management with local data storagenot Arc
  • Open-source alternative to proprietary note-taking platformsnot Arc
  • Markdown and Org-mode file support with PDF annotationnot Arc
  • Extensible through plugin ecosystem for custom workflowsnot 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

Logseq

  • AGPL-3.0 licensing requires derivative works to be open-source
  • Mobile apps (iOS and Android) still in alpha/beta development stage
  • Self-hosted with local-first architecture, no built-in cloud sync option
  • No native synchronisation between desktop and mobile versions without setup

Pricing, plan by plan

Arc

Free
  • ArcFree
    • Spaces and profiles organization
    • Split view customization
    • Themes and personalization

Logseq

Free

No published plan breakdown. See the Logseq review.

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 Logseq if

  • You need markdown-based notes.
  • You want to start without paying.
  • You work on macOS, Linux, Windows, iOS, Android, Web.
  • You also want bidirectional linking.
Logseq review

Questions people ask

Is Arc or Logseq better?
Neither clearly leads. Arc starts at Free and Logseq at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Arc or Logseq?
Arc starts at Free and Logseq at Free.
Does Arc or Logseq run on more platforms?
Arc runs on macOS, Windows, iOS. Logseq runs on macOS, Linux, Windows, iOS, Android, Web.
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 Logseq is typically brought in for.
What can Arc do that Logseq cannot?
Arc covers Spaces and Profiles, Split View, Themes, Privacy-First Design. Logseq covers Markdown-based notes, Bidirectional linking, Graph visualization, Backlinks.

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
Logseq: How much does Logseq cost?

Logseq is a free, open-source privacy-first knowledge base with no paid tiers or hidden costs. The software is available to download and use at no charge.

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
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
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