# Vivaldi Powerful Web Browser vs Open Authenticator by Skyost

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.

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.

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.

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

## The numbers

| Metric | Vivaldi Powerful Web Browser | Open Authenticator by Skyost |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (4.4K ratings)](https://appshunter.io/ios/app/vivaldi-powerful-web-browser/id1633234600/reviews)** | [4.4 (9 ratings)](https://appshunter.io/ios/app/open-authenticator-by-skyost/id6479272927/reviews) |
| Number of ratings | **4.4K** | 9 |
| Positive reviews | **77.8% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 241 MB | 56 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [Vivaldi Technologies](https://appshunter.io/developer/1633234602) | [Hugo Delaunay](https://appshunter.io/developer/1456648264) |

## What reviewers say

### Vivaldi Powerful Web Browser

[App page](https://appshunter.io/ios/app/vivaldi-powerful-web-browser/id1633234600)

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:** Apple Wallet, Vision Pro support

**In-app purchases:** none

**What reviewers like**

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

**What reviewers complain about**

- 🐛 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)

**Reported bugs**

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

**Requested features**

- 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


### Open Authenticator by Skyost

[App page](https://appshunter.io/ios/app/open-authenticator-by-skyost/id6479272927)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Contributor Plan: Monthly | $0.99 | per month |
| Contributor Plan: Annual | $9.99 | per year |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*