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Alternatives · Browsers

Surf Security alternatives

As of Nov 13, 2026, the highest-graded Surf Security alternative is Kasm Workspaces (2.2 GPA). It's also the best free one.

Surf Security compared with 4 alternatives: Island Enterprise Browser, Menlo Security, Authentic8 Silo and Kasm Workspaces.

Surf Security's current pricing could not be confirmed from its own site. 1 of the 4 alternatives is free or has a free plan. One more offers a free trial.

Listings checked up to Nov 13, 2026 · Where the facts come from

Black Friday: is there a Surf Security sale?

At a glance

ToolPriceFree planRuns on
Surf SecurityThis toolPaidNomacOS, Windows, Linux, iOS, Android, Browser extension
Island Enterprise BrowserPaidNomacOS, Windows, Linux, iOS, Android, Browser extension
Menlo SecurityPaidNoWeb, Browser extension
Authentic8 SiloFree trial · from $1,450/yrTrial onlyWeb
Kasm WorkspacesFree planYesWeb

How each one differs from Surf Security

  1. Island Enterprise Browser

    Chromium-based work browser with built-in security controls

    • Island Enterprise Browser also covers ad and tracker blocking.

    Suits: Security teams that want policy enforced inside the browser

    Island Enterprise Browser vs Surf SecurityIsland Enterprise Browser pricing and details

  2. Menlo Security

    Cloud browser security platform for enterprises

    • Menlo Security also lists a web app.
    • Menlo Security lists no Windows, macOS, Linux, iOS and Android apps, which Surf Security has.
    • Menlo Security also covers malware protection.

    Suits: Large organizations securing browser sessions across many users

    Menlo Security vs Surf SecurityMenlo Security pricing and details

  3. Authentic8 Silo

    Isolated cloud browser workspace for digital investigations

    • Authentic8 Silo starts at $1,450 per user / year.
    • Authentic8 Silo also lists a web app.
    • Authentic8 Silo lists no Windows, macOS, Linux, iOS and Android apps and browser extension, which Surf Security has.
    • Authentic8 Silo also covers research.

    Suits: Threat intelligence and SOC teams investigating at the source

    Authentic8 Silo vs Surf SecurityAuthentic8 Silo pricing and details

  4. Kasm Workspaces

    Containerized desktops, apps and browsers streamed to a browser

    • Kasm Workspaces has a free plan, which Surf Security lacks.
    • Kasm Workspaces also lists a web app.
    • Kasm Workspaces lists no Windows, macOS, Linux, iOS and Android apps and browser extension, which Surf Security has.
    • Kasm Workspaces is open source and self-hostable, according to its own site.
    • Kasm Workspaces also covers remote desktop.

    Suits: IT and security teams isolating risky web research

    Kasm Workspaces vs Surf SecurityKasm Workspaces pricing and details

Limits worth knowing in Surf Security

  • No pricing is published; the site directs visitors to book a demo.
  • The full browser is for desktops, with mobile support on iOS, iPadOS and Android as listed by SURF.
  • SURF describes the agentic AI runtime as new, so check its current scope with the vendor.
Surf Security pricing and details

Common questions

What are the alternatives to Surf Security?

The alternatives to Surf Security in this directory are Island Enterprise Browser, Menlo Security, Authentic8 Silo and Kasm Workspaces. Each one has a side-by-side comparison with Surf Security.

Is there a free alternative to Surf Security?

Yes. Kasm Workspaces has a free plan alongside paid ones.

Is there an open-source alternative to Surf Security?

Kasm Workspaces is described as open source on its own site.

When were these prices checked?

Every listing on this page was checked on Nov 13, 2026, against the pages it cites. Vendors change prices without notice, so confirm on their site before you buy.