Kitsmith / Compare / Firefox vs Vivaldi
MacFirefox vs Vivaldi
Firefox vs Vivaldi: verdict, pricing, and specs compared, so you can pick the right one for your Mac.
At a glance
Firefox
FreeThe independent, non-profit-backed browser — tracker blocking on by default, no shareholders to answer to, and Mozilla says it never sells personal data.
Vivaldi
FreeA deeply customizable Chromium browser from a company that turns down investor money on principle, built by one of the original Opera co-founders.
Spec comparison
Firefox
- Price
- Free
- Pricing model
- Free
- License
- Proprietary
- Placement
- Screen
- Channels
- Homebrew · Direct
- Category
- Utilities
Vivaldi
- Price
- Free
- Pricing model
- Free
- License
- Proprietary
- Placement
- Screen
- Channels
- Homebrew · Direct
- Category
- Utilities
The verdict
Firefox and Vivaldi both position themselves against surveillance-driven browsing, but the claims are different. Firefox blocks known trackers on the websites you visit automatically, no extension needed, from the non-profit-backed Mozilla, which says it never sells personal data. Vivaldi’s privacy pitch is about the company, not a per-site blocker — “no tracking, no investors demanding your data,” funded by donations and licensing rather than user data — and its real differentiator is customization depth: tab stacking, tiling, and a built-in note-taking panel most browsers don’t attempt. Pick Firefox if default tracker blocking as you browse and an independent, non-Chromium engine matter most; pick Vivaldi if you want deep tab management and Chrome-extension compatibility, from a company that states it isn’t funded by your data.
Which one should you pick?
Pick Firefox if…
- Pick Firefox if you want tracker blocking on by default as you browse, no extension required
- Pick Firefox if running on an independent, non-Chromium engine matters to you
- Pick Firefox if tab groups, reader mode, and picture-in-picture video are things you’ll use
- Pick Firefox if 30,000+ extensions and thousands of themes is the bigger catalog you want
Pick Vivaldi if…
- Pick Vivaldi if tab stacking and tiling — organizing many tabs in one window — matter more to you than default tracker blocking
- Pick Vivaldi if a built-in note-taking panel with screenshot capture, docked next to your tabs, is useful
- Pick Vivaldi if you want Chrome-extension compatibility, since Vivaldi is Chromium-based and Firefox isn’t
- Pick Vivaldi if a company that states it’s funded by donations and licensing, not investors demanding your data, matters to you
Firefox vs Vivaldi — questions people ask
Are Firefox and Vivaldi both free?
Yes — Firefox is free with no paid tier; Vivaldi is completely free, funded by donations and licensing per the company.
Which one blocks trackers automatically as you browse?
Firefox — tracking protection is on by default, no extension needed. Vivaldi’s privacy claims are about the company not tracking users, not a stated default tracker blocker on websites you visit.
Which is built on Chromium?
Vivaldi is Chromium-based, so most Chrome extensions work in it. Firefox runs on its own independent engine, not Chromium.