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Head-to-head · Web Browsers

Mozilla Firefox vs AVG Secure Browser

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Mozilla Firefox #3 in Web Browsers 9.1/10 Free plan Free plan✓ 3 of 3 features Visit Firefox
AVG Secure Browser #15 in Web Browsers 7.7/10 Free plan Free plan✓ 2 of 3 features Visit AVG Browser

Mozilla Firefox leads on 0 checks, AVG Secure Browser 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 scoreMozilla Firefox · 9.1/10
  • Free planboth
  • Most featuresMozilla Firefox · 3 of 3

Mozilla Firefox scores higher on our rubric for web browsers: 9.1 against 7.7 out of 10; our editors rank them #3 and #15.

On browser engine, Mozilla Firefox gives you Gecko where AVG Secure Browser offers Chromium.

Mozilla Firefox is the better fit for open-source privacy-conscious everyday browsing. AVG Secure Browser is the better fit for users wanting antivirus-linked browser security.

  • Mozilla Firefox fits best

    Open-source privacy-conscious everyday browsing

  • AVG Secure Browser fits best

    Users wanting antivirus-linked browser security

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Mozilla Firefox 9.1/10 Visit ↗ AVG Secure Browser 7.7/10 Visit ↗
At a glance
Editor score 9.1 7.7
Ranking #3 in Web Browsers #15 in Web Browsers
Best for Open-source privacy-conscious everyday browsing Users wanting antivirus-linked browser security
Pricing model Free Free plan + paid
Starting price Free plan —
Free plan ✓ ✓
Free trial — —
Deployment Desktop, Mobile Desktop, Mobile
Platforms Windows, macOS, Linux, iOS, Android Windows, macOS, Android
Support Community, Docs Docs, Community
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business
Features Mozilla Firefox 3/3 · AVG Secure Browser 2/3
Built-in ad blocking ✓ ✓
Cross-device sync ✓ ✓
Open source ✓ (best) Not checked yet
Specs
Supported platforms Both Both
Browser engine Gecko Chromium
Tracking protection Standard Not checked yet
Extension support Own_store Own_store
Our review
Pros
  • Enhanced Tracking Protection and Total Cookie Protection
  • Available on Windows, macOS, Linux, iOS and Android
  • Syncs bookmarks, passwords, history and open tabs across devices
  • Free plan includes ad blocking, Web Shield, and password management
  • Anti-fingerprinting, tracker blocking, and privacy cleanup are built in
  • Available on Windows, macOS, and Android with cross-device sync
Cons
  • Sync requires a Mozilla account
  • Extensions and themes use Mozilla’s own add-on store
  • No paid tier for additional browser features
  • The built-in VPN is limited to the PRO subscription
  • iOS is currently unavailable
  • PRO pricing is not shown in the listed plan details
Our verdict

Mozilla Firefox is a free, open-source web browser for desktop and mobile users who want everyday browsing with built-in privacy controls. It runs on Windows, macOS, Linux, iOS and Android, using Mozilla’s Gecko rendering engine. Core…

Read the review →

AVG Secure Browser is a Chromium-based web browser for people who want privacy and security controls built into everyday browsing. It is available on Windows, macOS, and Android, with features covering ad blocking, tracker blocking,…

Read the review →
  1. Mozilla FirefoxWeb Browsers 9.1Free plan
  2. AVG Secure BrowserWeb Browsers 7.7Free plan

Strengths and trade-offs

  • Mozilla Firefox — where it wins

    • Enhanced Tracking Protection and Total Cookie Protection
    • Available on Windows, macOS, Linux, iOS and Android
    • Syncs bookmarks, passwords, history and open tabs across devices

    Where it doesn't

    • Sync requires a Mozilla account
    • Extensions and themes use Mozilla’s own add-on store
    • No paid tier for additional browser features
  • AVG Secure Browser — where it wins

    • Free plan includes ad blocking, Web Shield, and password management
    • Anti-fingerprinting, tracker blocking, and privacy cleanup are built in
    • Available on Windows, macOS, and Android with cross-device sync

    Where it doesn't

    • The built-in VPN is limited to the PRO subscription
    • iOS is currently unavailable
    • PRO pricing is not shown in the listed plan details

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update