Comparison

Vivaldi Powerful Web Browser vs Open Authenticator by Skyost

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

Head to head
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/.

About

Open Authenticator by Skyost

This app generates Time-Based One-Time Passwords (TOTPs) to enhance online account security through two-factor authentication. It offers cross-platform syncing, a self-hostable backend, and an intuitive interface for managing your security codes.

Highlights
  • Generates Time-Based One-Time Passwords (TOTPs)
  • Enhances online account security with 2FA
  • Cross-platform token syncing
  • Self-hostable backend option
  • Fast and easy-to-use interface
  • Open-source and free for local use
Read full description

PROTECT YOUR ONLINE ACCOUNTS WITH OPEN AUTHENTICATOR Open Authenticator generates Time-Based One-Time Passwords (TOTPs), which serve as the second factor in the 2FA process. These temporary codes are valid for a short period of time and are used alongside your password to verify your identity when logging into your accounts. This significantly enhances the security of your online accounts and protects them from unauthorized access. KEY FEATURES - Open-Source & Free to use : Our commitment to transparency and security means our app is open-source and will always remain free for local use. If it doesn't cost anything for us, then it shouldn't cost anything for you ! - Cross-Platform Compatibility : Seamlessly sync your TOTP tokens across all your devices, whether you're using iOS, macOS or another platform. - Self-Hostable Backend : You can host the backend on your own server. Your data, your choice. - A lovely crafted app : Open Authenticator has been designed to be fast and easy to use. Quickly find all your TOTPs and copy them directly from the main page ! IN SUMMARY, WHY OPEN AUTHENTICATOR ? Here are the reasons why you should download Open Authenticator : - Enhanced Security : Protect your online accounts from unauthorized access with strong 2FA. - User-Friendly Interface : Intuitive design makes it easy to add, manage, and organize your TOTP tokens. - Continuous Improvement : We're dedicated to delivering the best user experience and regularly update our app with new features and improvements. LINKS - Check it out on Github : https://github.com/openauthenticator-app/openauthenticator - Visit our website : https://openauthenticator.app LEGAL - Privacy policy : https://openauthenticator.app/privacy-policy - Terms of service : https://openauthenticator.app/terms-of-service

Screenshots

Vivaldi Powerful Web Browser4 screens
Open Authenticator by Skyost3 screens

Verdict

The call

The clearest difference is review sentiment: Vivaldi Powerful Web Browser at 78% against Open Authenticator by Skyost's 0%. Vivaldi Powerful Web Browser also leads on in-app purchases (none vs 2) and ratings volume (4.4K vs 9). Open Authenticator by Skyost's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 18.0). On price, update cadence and ads 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. Open Authenticator by Skyost sells 2 in-app purchases, starting at $0.99 per month. Vivaldi Powerful Web Browser asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Vivaldi Powerful Web Browser holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: Vivaldi Powerful Web Browser has 4.4K ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 78% of Vivaldi Powerful Web Browser's written reviews are positive against 0% of Open Authenticator by Skyost's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

Scorecard7 real differences · 3 level
Vivaldi Powerful Web Browser versus Open Authenticator by Skyost: the parameters behind the verdict, then further details
ParameterVivaldi Powerful Web BrowserOpen Authenticator by Skyost
PriceFreeFree
Rating4.7 (4.4K ratings) — better4.4 (9 ratings)
Positive reviews77.8% of reviews — better0.0% of reviews
Number of ratings4.4K — better9
Update frequencyFortnightlyFortnightly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod, Mac — better
Requires iOS18.015.0 — better
Further details — not scored
Size241 MB56 MB
Age rating17+4+
DeveloperVivaldi TechnologiesHugo Delaunay

Customer experience

Vivaldi Powerful Web Browser

All ratings4,386 ratings
Positive93.5%
Neutral2.4%
Negative4.1%
Written reviews1,154 reviews
Positive77.8%
Neutral7.5%
Negative14.7%

Open Authenticator by Skyost

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

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

Open Authenticator by Skyost

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Vivaldi Powerful Web Browser

No in-app purchases

2 purchases

Open Authenticator by Skyost

Subscriptions2
  • Contributor Plan: Monthly$0.991 Month
  • Contributor Plan: Annual$9.991 Year

Questions

Is Vivaldi Powerful Web Browser free?
Vivaldi Powerful Web Browser is free to download, with no in-app purchases.
Is Open Authenticator by Skyost free?
Open Authenticator by Skyost is free to download, with in-app purchases available.
Which has better reviews, Vivaldi Powerful Web Browser or Open Authenticator by Skyost?
Vivaldi Powerful Web Browser is rated higher. Vivaldi Powerful Web Browser averages 4.7 out of 5 from 4.4K ratings, while Open Authenticator by Skyost averages 4.4 from 9 ratings.
Do Vivaldi Powerful Web Browser or Open Authenticator by Skyost have ads?
Neither Vivaldi Powerful Web Browser nor Open Authenticator by Skyost shows ads.
Which is updated more often, Vivaldi Powerful Web Browser or Open Authenticator by Skyost?
Vivaldi Powerful Web Browser ships an update fortnightly, and Open Authenticator by Skyost fortnightly. Most recently, Vivaldi Powerful Web Browser was updated on October 16, 2026 and Open Authenticator by Skyost on October 14, 2026.

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