Comparison

Firefox Fast & Private Browser vs Vivaldi Powerful Web Browser

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Firefox Fast & Private Browser

A fast and private web browser that protects you by default. It blocks trackers, offers private browsing, and provides tools to help you focus on content and manage your logins securely.

Highlights
  • Enhanced Tracking Protection
  • Private browsing mode
  • Page summaries
  • Built-in password manager
  • Reader Mode
  • Sync across devices
Features
Currently charting
Read full description

The internet. As it should be. Firefox is a fast, private web browser designed to protect you by default. Privacy is built in from the start, so you can focus on what matters instead of worrying about who’s watching. Why people choose Firefox: • Enhanced Tracking Protection – Blocks trackers by default to help stop companies from following you across the web. • Private browsing mode – Browse without saving your history, searches, or cookies. • Page summaries – Get the key points from long pages and move on faster. • Built-in password manager – Generate strong passwords, save them securely, and autofill logins when you need them. • Flexible search options – Choose your default search engine or switch search engines right from the search bar. • Reader Mode – Remove ads and clutter from articles so you can focus on what you’re reading. • Sync across devices – Pick up where you left off with synced tabs, bookmarks, and passwords when you sign in to your Mozilla account. Private by default Firefox is designed with privacy built in from the moment you start browsing. Enhanced Tracking Protection automatically blocks common background trackers, including social media trackers, crypto miners, and fingerprinters. When you want extra privacy, private browsing mode doesn’t save your history, searches, or cookies. Focus on what matters The web can be distracting. Firefox is designed to help you stay focused without making you manage everything yourself. Reader Mode clears clutter from articles, and picture-in-picture keeps videos visible while you multitask—without pulling focus from what you’re doing. Browse your way Customize Firefox to fit how you browse. Personalize your home screen with wallpapers and layout options, and choose your preferred search engine instead of being pushed into a single ecosystem. You can move the search bar to the top or bottom of the screen for easier one-handed browsing. Sign in to your Mozilla account to sync tabs, bookmarks, passwords, and browsing history across devices, so switching feels seamless. Built for people, not profit Firefox was created in 2004 by Mozilla as a faster, more private, and more customizable alternative to other browsers. Today, Mozilla remains a nonprofit and continues working to make the internet — and the time you spend on it — better. Learn more about Mozilla: https://www.mozilla.org Terms of Use: https://www.mozilla.org/about/legal/terms/firefox/ Privacy Policy: https://www.mozilla.org/privacy/firefox Latest news: https://blog.mozilla.org

About

Vivaldi Powerful Web Browser

A powerful, private web browser designed for customization and control. It offers desktop-style tab management, built-in ad and tracker blockers, and sync capabilities across devices. Personalize your browsing experience with themes, wallpapers, and dark mode.

Highlights
  • Ad Blocker
  • Tracker Blocker
  • Desktop-like tabs
  • Encrypted Sync
  • Customizable Themes & Wallpapers
  • Dark Mode for Webpages
  • Notes & Bookmarks
Features
Read full description

Vivaldi Browser is a powerful, personal, and private web browser. It comes packed with built-in features including desktop-style tabs, an Ad Blocker, tracking protection. Designed to put you back in control. Trusted by millions of users across the world. FEATURES: - Ad Blocker: Browse with minimal distractions. - Tracker Blocker: Stay protected with leading privacy and security features. - Custom Wallpapers & Themes: Pick a theme and background that matches your style. - Dark Mode for all webpages: Force Dark Mode to every website you visit. - Desktop-like tabs: Efficiently manage multiple websites at once. - Encrypted Sync: Seamlessly sync data across your mobile and desktop devices. - Notes: Jot down thoughts and ideas while browsing. - Bookmarks: Organize your favorite sites effortlessly. - Reading Lists: Save articles for offline reading. - Custom App Icon: Personalize Vivaldi's appearance on your home screen. - Switch Search Engines: Choose your preferred search engine on the fly. POWERFUL Packed with flexible features, all built in. PERSONAL You make it your own, Vivaldi adapts to you. PRIVATE We don't track you, or your behavior. DESKTOP-LIKE TABS Bring the robust tab management from your desktop to your iOS device. Vivaldi on iOS features a unique Tab Bar akin to the desktop browser. To activate or deactivate the Tab Bar, head to Vivaldi menu > Settings, and tap on "Show Tab Bar" to toggle the setting. SYNC ACROSS DEVICES Never feel out of touch. Sync your data across devices with end-to-end encryption. From open tabs and saved logins to bookmarks and notes, everything is seamlessly available wherever you go. Add an extra layer of security with an encryption password. SET AS DEFAULT BROWSER Ready to make the switch? Set Vivaldi as your default browser and experience the web like never before. Here's how: Go to Settings, scroll down to Vivaldi, and select it as your Default Browser App. It's that simple! ABOUT VIVALDI With millions active users and a vibrant community of over 1.4 million members worldwide, Vivaldi is redefining what a web browser can be. At Vivaldi, we believe a browser should be powerful, personal, and private. With our unique philosophy of "respect, question, create, and deliver," we're crafting a browsing experience that adapts to you, not the other way around. Some of the links in this app are affiliate links. If you make a purchase through these links, we may earn a commission at no additional cost to you. This helps support the development of Vivaldi and keeps the web browser independent. Thank you for your support! By downloading Vivaldi, you are agreeing to the End User License Agreement at https://vivaldi.com/privacy/vivaldi-end-user-license-agreement/. Learn more about how Vivaldi handles and protects your data in our Privacy Policy at https://vivaldi.com/privacy/browser/.

Screenshots

Firefox Fast & Private Browser4 screens
Vivaldi Powerful Web Browser4 screens

Verdict

The call

Firefox Fast & Private Browser and Vivaldi Powerful Web Browser both sit at 4.6 stars, but that hides the real split: 77% of Vivaldi Powerful Web Browser's written reviews are positive against 45% of Firefox Fast & Private Browser's. Firefox Fast & Private Browser's advantage is ratings volume (217K vs 4.4K) and update cadence (weekly vs every 2 weeks). On price, rating, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Firefox Fast & Private Browser against 4.7 for Vivaldi Powerful Web Browser. That said, the two scores are not equally well evidenced: Firefox Fast & Private Browser has 217K ratings behind it against 4.4K, so its average is the more settled of the two. Written reviews are what separate them: 45% of Firefox Fast & Private Browser's written reviews are positive against 77% of Vivaldi Powerful Web Browser's.

UpkeepUpdate frequency

Firefox Fast & Private Browser ships an update weekly, Vivaldi Powerful Web Browser every 2 weeks. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.

Scorecard5 real differences · 6 level
Firefox Fast & Private Browser versus Vivaldi Powerful Web Browser: the parameters behind the verdict, then further details
ParameterFirefox Fast & Private BrowserVivaldi Powerful Web Browser
PriceFreeFree
Rating4.6 (217K ratings)4.7 (4.4K ratings) — better
Positive reviews45.4% of reviews77.5% of reviews — better
Number of ratings217K — better4.4K
Update frequencyWeekly — betterEvery 2 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
Best chart rank#26 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better18.0
Further details — not scored
Size363 MB241 MB
Age rating17+17+
DeveloperMozillaVivaldi Technologies

Customer experience

Firefox Fast & Private Browser

All ratings217,373 ratings
Positive91.8%
Neutral3.1%
Negative5.2%
Written reviews2,924 reviews
Positive45.4%
Neutral11.1%
Negative43.5%

Vivaldi Powerful Web Browser

All ratings4,350 ratings
Positive93.5%
Neutral2.4%
Negative4.1%
Written reviews1,128 reviews
Positive77.5%
Neutral7.6%
Negative14.9%

User reviews

Firefox Fast & Private Browser

From 217K App Store ratings

What we love

  • 🚀 Fast and efficient
  • 🔒 Secure and privacy-focused
  • 👍 Great alternative to Chrome and Safari
  • 💡 Useful sync functionality across devices

Room to improve

  • 🐛 Buggy and unstable, crashes frequently
  • 🔋 High battery consumption
  • 👎 Cluttered and confusing UI, especially on iPad
  • 🤔 Lack of customization and extension options

Vivaldi Powerful Web Browser

From 4.4K App Store ratings

What we love

  • 👍 Highly customizable
  • 🔒 Strong privacy and security features
  • 🚀 Fast and responsive
  • 💡 Innovative features like tab stacking
  • 👍 Seamless cross-device sync

Room to improve

  • 🐛 Occasional crashes and performance issues
  • 🔋 Battery drain concerns
  • 🔒 Lack of support for third-party password managers
  • 👎 Missing some basic mobile browser features (e.g., reader mode, bottom address bar)

Bugs and requests

Firefox Fast & Private Browser

Reported bugs

4 issues
  • Images not loading properly
  • Incompatibility with certain websites and web apps
  • Keyboard issues and unexpected behavior when switching between apps
  • Sync issues and data loss when switching devices

Requested features

4 requests
  • Dark mode option
  • Improved bookmark management and organization
  • Built-in ad blocker or support for third-party ad blockers
  • Ability to rearrange tabs and customize the UI

Vivaldi Powerful Web Browser

Reported bugs

4 issues
  • Issues with ad blocker not working consistently
  • Problems with tab syncing between devices
  • Text input lag and delays
  • Forced review prompts

Requested features

6 requests
  • Option to move address bar and navigation buttons to the bottom of the screen
  • Ability to set custom search engines
  • Implement a reader mode
  • Add support for browser extensions
  • Improve tab closing/management gestures
Show 1 more
  • Provide more customization options

In-app purchases

None

Firefox Fast & Private Browser

No in-app purchases

None

Vivaldi Powerful Web Browser

No in-app purchases

Questions

Is Firefox Fast & Private Browser free?
Firefox Fast & Private Browser is free to download, with no in-app purchases.
Is Vivaldi Powerful Web Browser free?
Vivaldi Powerful Web Browser is free to download, with no in-app purchases.
Which has better reviews, Firefox Fast & Private Browser or Vivaldi Powerful Web Browser?
Vivaldi Powerful Web Browser is rated higher. Firefox Fast & Private Browser averages 4.6 out of 5 from 217K ratings, while Vivaldi Powerful Web Browser averages 4.7 from 4.4K ratings.
Do Firefox Fast & Private Browser or Vivaldi Powerful Web Browser have ads?
Neither Firefox Fast & Private Browser nor Vivaldi Powerful Web Browser shows ads.
Which is updated more often, Firefox Fast & Private Browser or Vivaldi Powerful Web Browser?
Firefox Fast & Private Browser ships an update weekly, and Vivaldi Powerful Web Browser every 2 weeks. Most recently, Firefox Fast & Private Browser was updated on September 24, 2026 and Vivaldi Powerful Web Browser on September 23, 2026.

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