# DuckDuckGo, optional Duck.ai vs Vivaldi Powerful Web Browser

The clearest difference is in-app purchases: Vivaldi Powerful Web Browser at none against DuckDuckGo, optional Duck.ai's 7. Vivaldi Powerful Web Browser also leads on review sentiment (77% vs 65%). DuckDuckGo, optional Duck.ai's advantage is ratings volume (2.4M vs 4.5K) and chart position (#18 vs unranked). On price, rating and ads there is nothing between them.

Both are free to download. DuckDuckGo, optional Duck.ai sells 7 in-app purchases, starting at $9.99 per month. Vivaldi Powerful Web Browser asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for DuckDuckGo, optional Duck.ai against 4.7 for Vivaldi Powerful Web Browser. That said, the two scores are not equally well evidenced: DuckDuckGo, optional Duck.ai has 2.4M ratings behind it against 4.5K, so its average is the more settled of the two. Written reviews are what separate them: 65% of DuckDuckGo, optional Duck.ai's written reviews are positive against 77% of Vivaldi Powerful Web Browser's.

DuckDuckGo, optional Duck.ai ships an update weekly, Vivaldi Powerful Web Browser fortnightly. Both last shipped on November 10, 2026.

## The numbers

| Metric | DuckDuckGo, optional Duck.ai | Vivaldi Powerful Web Browser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (2.4M ratings)](https://appshunter.io/ios/app/duckduckgo-optional-duckai/id663592361/reviews)** | [4.7 (4.5K ratings)](https://appshunter.io/ios/app/vivaldi-powerful-web-browser/id1633234600/reviews) |
| Number of ratings | **2.4M** | 4.5K |
| Positive reviews | 64.7% of reviews | **77.4% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#18** | — |
| Size | 256 MB | 248 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [DuckDuckGo, Inc.](https://appshunter.io/developer/479988139) | [Vivaldi Technologies](https://appshunter.io/developer/1633234602) |

## What reviewers say

### DuckDuckGo, optional Duck.ai

[App page](https://appshunter.io/ios/app/duckduckgo-optional-duckai/id663592361)

**Currently charting:** #18 Top Free · Utilities, #26 Top Grossing · Utilities (US App Store)

This privacy-focused browser and search engine blocks trackers, ads, and cookie pop-ups. It offers private AI chat and optional email protection. Take control of your personal information with a tool designed for data protection, not collection.

**Highlights:** Private search engine, Tracker blocking, Ad blocking (YouTube, web), Private AI chat, Optional email protection, HTTPS enforcement, Fingerprinting protection

**Features:** Apple Wallet

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DuckDuckGo (Plus, Monthly) | $9.99 | per month |
| DuckDuckGo monthly | $9.99 | per month |
| DuckDuckGo (Pro, Monthly) | $19.99 | per month |
| DuckDuckGo (Pro, Monthly) | $19.99 | per month |
| DuckDuckGo (Plus, Yearly) | $99.99 | per year |
| DuckDuckGo annual | $99.99 | per year |
| DuckDuckGo (Pro, Yearly) | $199.99 | per year |

**What reviewers like**

- 🚀 Fast and efficient
- 🔒 Excellent privacy protection
- 👍 Clean and intuitive interface
- 🔥 Effective ad and tracker blocking

**What reviewers complain about**

- 🐛 Occasional crashes and glitches
- 🔍 Slower page load times compared to other browsers
- 🔍 Inconsistent search quality compared to Google

**Reported bugs**

- Inability to set DuckDuckGo as default browser on iOS
- Refresh button hidden in menu instead of standalone

**Requested features**

- Add support for voice search
- Improve tab management and history navigation
- Introduce customizable font and theme options


### Vivaldi Powerful Web Browser

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

This web browser offers a highly customizable and private browsing experience with built-in ad and tracker blockers. It features desktop-like tab management, dark mode for all websites, and seamless cross-device syncing.

**Highlights:** Built-in Ad Blocker, Tracker Blocker, Customizable Themes & Wallpapers, Desktop-like Tabs, Encrypted Sync Across Devices, Notes and Reading Lists, Force Dark Mode for Websites

**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


## Frequently asked questions

### Is DuckDuckGo, optional Duck.ai free?

DuckDuckGo, optional Duck.ai is free to download, with in-app purchases available.

### Is Vivaldi Powerful Web Browser free?

Vivaldi Powerful Web Browser is free to download, with no in-app purchases.

### Which has better reviews, DuckDuckGo, optional Duck.ai or Vivaldi Powerful Web Browser?

DuckDuckGo, optional Duck.ai is rated higher. DuckDuckGo, optional Duck.ai averages 4.8 out of 5 from 2.4M ratings, while Vivaldi Powerful Web Browser averages 4.7 from 4.5K ratings.

### Do DuckDuckGo, optional Duck.ai or Vivaldi Powerful Web Browser have ads?

Neither DuckDuckGo, optional Duck.ai nor Vivaldi Powerful Web Browser shows ads.

### Which is updated more often, DuckDuckGo, optional Duck.ai or Vivaldi Powerful Web Browser?

DuckDuckGo, optional Duck.ai ships an update weekly, and Vivaldi Powerful Web Browser fortnightly. Most recently, DuckDuckGo, optional Duck.ai was updated on November 10, 2026 and Vivaldi Powerful Web Browser on November 10, 2026.

---

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