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Head-to-head · Privacy Browsers

Waterfox vs IronFox

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Waterfox #3 in Privacy Browsers 9.2/10 Free plan Free plan✓ 1 of 4 features Visit Waterfox
IronFox #7 in Privacy Browsers 8.8/10 Free plan Free plan✓ 3 of 4 features Visit IronFox

Waterfox leads on 0 checks, IronFox on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreWaterfox · 9.2/10
  • Free planboth
  • Most featuresIronFox · 3 of 4

Waterfox scores higher on our rubric for privacy browsers: 9.2 against 8.8 out of 10; our editors rank them #3 and #7.

On supported platforms, Waterfox gives you Both where IronFox offers Mobile.

Waterfox is the better fit for free privacy with everyday browser features. IronFox is the better fit for highly hardened Android privacy browsing.

  • Waterfox fits best

    Free privacy with everyday browser features

  • IronFox fits best

    Highly hardened Android privacy browsing

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Side by side

Feature Waterfox 9.2/10 Visit ↗ IronFox 8.8/10 Visit ↗
At a glance
Editor score 9.2 8.8
Ranking #3 in Privacy Browsers #7 in Privacy Browsers
Best for Free privacy with everyday browser features Highly hardened Android privacy browsing
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Desktop, Mobile Mobile
Platforms Windows, macOS, Linux, Android Android
Features Waterfox 1/4 · IronFox 3/4
Tracker blocking Not checked yet ✓ (best)
Ad blocking Not checked yet ✓ (best)
Built-in VPN Not checked yet Not checked yet
Open source ✓ ✓
Specs
Fingerprint protection Not checked yet Advanced
Supported platforms Both Mobile
Our review
Pros
  • Built-in ad, tracker, pop-up, and overlay blocking
  • Enhanced Tracking Protection with Standard, Strict, and Custom modes
  • Runs on Windows, macOS, Linux, and Android with sync support
  • uBlock Origin and strict tracking protection are enabled by default
  • Hardened fingerprinting protection limits browser identification signals
  • Clears browsing data on exit and disables telemetry at build time
Cons
  • Support channels are centered on documentation
  • No paid tier for users seeking premium browser features
  • No built-in AI features
  • Android-only coverage excludes desktop and other mobile platforms
  • The project was founded in 2024, making it a newer browser option
  • No vendor-provided VPN feature is documented
Our verdict

Waterfox is a free, open-source web browser for privacy-conscious users who want control over tracking, browsing data, interface layout, and extensions. Built on Mozilla’s Gecko engine, it supports Windows, macOS, Linux, and Android. Its…

Read the review →

IronFox is an open-source Android web browser based on Firefox for Android, with additional privacy hardening and modifications. It is aimed at people who want strong browser-level privacy controls without configuring each protection…

Read the review →
  1. WaterfoxPrivacy Browsers 9.2Free plan
  2. IronFoxPrivacy Browsers 8.8Free plan

Strengths and trade-offs

  • Waterfox — where it wins

    • Built-in ad, tracker, pop-up, and overlay blocking
    • Enhanced Tracking Protection with Standard, Strict, and Custom modes
    • Runs on Windows, macOS, Linux, and Android with sync support

    Where it doesn't

    • Support channels are centered on documentation
    • No paid tier for users seeking premium browser features
    • No built-in AI features

  • IronFox — where it wins

    • uBlock Origin and strict tracking protection are enabled by default
    • Hardened fingerprinting protection limits browser identification signals
    • Clears browsing data on exit and disables telemetry at build time

    Where it doesn't

    • Android-only coverage excludes desktop and other mobile platforms
    • The project was founded in 2024, making it a newer browser option
    • No vendor-provided VPN feature is documented
  • Waterfox9.2/10 · Free plan

    Waterfox combines advanced privacy controls, customization, and Firefox extension support at no cost.

    Visit WaterfoxFull verdict →
  • IronFox8.8/10 · Free plan

    IronFox combines strict blocking, fingerprinting defenses, and no build-time telemetry on Android.

    Visit IronFoxFull verdict →

More comparisons

All privacy browsers comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update