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Head-to-head · Secure Enterprise Browsers

Island Enterprise Browser vs Mozilla Firefox Enterprise

  • Updated Sep 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Island Enterprise Browser #5 in Secure Enterprise Browsers 7.1/10 Pricing on request ✓ 0 of 1 features Visit Island
Mozilla Firefox Enterprise #8 in Secure Enterprise Browsers 6.5/10 Free plan Free plan✓ 1 of 1 features Visit site

Island Enterprise Browser leads on 0 checks, Mozilla Firefox Enterprise on 2, and 0 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreIsland Enterprise Browser · 7.1/10
  • Free planonly Mozilla Firefox Enterprise
  • Most featuresMozilla Firefox Enterprise · 1 of 1

Island Enterprise Browser scores higher on our rubric for secure enterprise browsers: 7.1 against 6.5 out of 10; our editors rank them #5 and #8.

Mozilla Firefox Enterprise offers free plan; Island Enterprise Browser doesn't publish it. Mozilla Firefox Enterprise offers app access controls; Island Enterprise Browser doesn't publish it.

Island Enterprise Browser is the better fit for teams seeking broad controls in a managed browser. Mozilla Firefox Enterprise is the better fit for organizations wanting free, policy-managed browsers.

  • Island Enterprise Browser fits best

    Teams seeking broad controls in a managed browser

  • Mozilla Firefox Enterprise fits best

    Organizations wanting free, policy-managed browsers

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. It never changes our verdict. How we rank.

Side by side

Feature Island Enterprise Browser 7.1/10 Visit ↗ Mozilla Firefox Enterprise 6.5/10 Visit ↗
At a glance
Editor score 7.1 6.5
Ranking #5 in Secure Enterprise Browsers #8 in Secure Enterprise Browsers
Best for Teams seeking broad controls in a managed browser Organizations wanting free, policy-managed browsers
Pricing model Paid Free
Starting price Not published Not published
Free plan Not published ✓ (best)
Free trial — —
Deployment Cloud, Desktop, Mobile, Browser extension Desktop, Self-hosted
Platforms Windows, macOS, Linux, iOS, Android, Chrome extension Windows, macOS, Linux, iOS, Android
Support Docs Docs, Community
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Island Enterprise Browser 0/1 · Mozilla Firefox Enterprise 1/1
App access controls Not published ✓ (best)
Specs
Supported operating systems Not published Windows, macOS, Linux; Firefox downloads are also listed for iOS and Android
Deployment options Not published Self-hosted
Identity integrations Not published Microsoft Entra SSO (macOS); Windows SSO for Microsoft, work, and school accounts; integrated authentication
Browser policy controls Not published Website filtering; site-specific policies; extension management; managed bookmarks; certificate management; update controls; locked preferences; browser restrictions
Data loss controls Not published Built-in DLP rules to warn on or block data actions per domain; third-party DLP agent integration; DLP-triggered security logging
Our review
Pros
  • Conditional access uses identity, device, network, location, and app context
  • Controls copying, printing, downloads, screenshots, and browser activity visibility
  • Desktop, mobile, and extension deployments support varied workforce access
  • Free, open-source Firefox and ESR deployment options
  • Policy controls cover sites, extensions, authentication, and updates
  • Built-in per-domain DLP rules with logging and agent integration
Cons
  • Pricing follows a contact-sales model
  • Support channels are listed as documentation
  • The product is proprietary rather than open source
  • Self-hosted deployment requires organizational administration
  • Support channels focus on documentation and community
  • Identity integrations and SSO options vary by operating system
Our verdict

Island Enterprise Browser is a Chromium-based business browser for organizations managing employees, contractors, or BYOD access to web applications. It combines browser delivery with enterprise security and management, supporting Windows,…

Read the review →

Mozilla Firefox Enterprise covers Firefox and Firefox Extended Support Release (ESR) configured for organizational use. It is aimed at small, mid-market, and enterprise teams that need centrally managed browsers across Windows, macOS, and…

Read the review →
  1. Island Enterprise BrowserSecure Enterprise Browsers 7.1Pricing on request
  2. Mozilla Firefox EnterpriseSecure Enterprise Browsers 6.5Free plan

Strengths and trade-offs

  • Island Enterprise Browser — where it wins

    • Conditional access uses identity, device, network, location, and app context
    • Controls copying, printing, downloads, screenshots, and browser activity visibility
    • Desktop, mobile, and extension deployments support varied workforce access

    Where it doesn't

    • Pricing follows a contact-sales model
    • Support channels are listed as documentation
    • The product is proprietary rather than open source
  • Mozilla Firefox Enterprise — where it wins

    • Free, open-source Firefox and ESR deployment options
    • Policy controls cover sites, extensions, authentication, and updates
    • Built-in per-domain DLP rules with logging and agent integration

    Where it doesn't

    • Self-hosted deployment requires organizational administration
    • Support channels focus on documentation and community
    • Identity integrations and SSO options vary by operating system
  • Island Enterprise Browser7.1/10 · Pricing on request

    Broad browser controls, protection, and integrations for managed workforce access.

    Visit IslandFull verdict →
  • Mozilla Firefox Enterprise6.5/10 · Free plan

    A free, open-source browser foundation with broad policy and DLP controls.

    Visit siteFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update