# DuckDuckGo, optional Duck.ai vs Onion Browser

The clearest difference is ratings volume: DuckDuckGo, optional Duck.ai at 2.4M against Onion Browser's 204. DuckDuckGo, optional Duck.ai also leads on rating (4.8 vs 4.6) and chart position (#14 vs unranked). Onion Browser's advantage is review sentiment (85% vs 65%). On price, update cadence, ads and in-app purchases 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 and Onion Browser sells 7 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

DuckDuckGo, optional Duck.ai holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: DuckDuckGo, optional Duck.ai has 2.4M ratings behind it against 204, so its average is the more settled of the two. Written reviews complicate that: 65% of DuckDuckGo, optional Duck.ai's written reviews are positive against 85% of Onion Browser's, so the app with the better star average is not the one people write more warmly about.

DuckDuckGo, optional Duck.ai ships an update weekly, Onion Browser every 10 days. The most recent releases landed on September 25, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | DuckDuckGo, optional Duck.ai | Onion Browser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (2.4M ratings)](https://appshunter.io/ios/app/duckduckgo-optional-duckai/id663592361/reviews)** | [4.6 (204 ratings)](https://appshunter.io/ios/app/onion-browser-deep-web-proxy/id6478085370/reviews) |
| Number of ratings | **2.4M** | 204 |
| Positive reviews | 65.5% of reviews | **84.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#14** | — |
| Size | 240 MB | 89 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | +17 | 17+ |
| Developer | [DuckDuckGo, Inc.](https://appshunter.io/developer/479988139) | [Secure cypher Solutions](https://appshunter.io/developer/1731713292) |

## What reviewers say

### DuckDuckGo, optional Duck.ai

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

**Currently charting:** #14 Top Free · Utilities, #26 Top Grossing · Utilities (US App Store)

This app offers a private search engine and browser that blocks trackers and cookies by default. It includes AI chat features and optional tools like a VPN and email protection to safeguard your online activity and personal information.

**Highlights:** Private search engine, Tracker and cookie blocking, Private AI chat, Optional VPN, Email protection, Encryption enforcement, Fingerprinting escape

**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


### Onion Browser

[App page](https://appshunter.io/ios/app/onion-browser-deep-web-proxy/id6478085370)

Browse the web privately and securely with advanced features like ad blocking and VPN integration. Access the Darknet and deep web with confidence, while also monitoring your phone's performance and system health.

**Highlights:** Private browsing, VPN integration, Ad and tracker blocking, Darknet and deep web access, Phone performance analytics, Encryption and security

**Features:** macOS Compatibility, Safari Extension, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| weekly subscription | $2.99 | per 7 days |
| Onion Browser Weekly Premium | $5.99 | per 7 days |
| Monthly subscription | $8.99 | per month |
| Yearly subscription | $17.99 | per year |
| Onion Browser Yearly Premium | $34.99 | per year |
| Lifetime premium subscription | $17.99 | one-time |
| Onion Browser Pro for Lifetime | $19.99 | one-time |


## Frequently asked questions

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

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

### Is Onion Browser free?

Onion Browser is free to download, with in-app purchases available.

### Which has better reviews, DuckDuckGo, optional Duck.ai or Onion Browser?

DuckDuckGo, optional Duck.ai is rated higher. DuckDuckGo, optional Duck.ai averages 4.8 out of 5 from 2.4M ratings, while Onion Browser averages 4.6 from 204 ratings.

### Do DuckDuckGo, optional Duck.ai or Onion Browser have ads?

Neither DuckDuckGo, optional Duck.ai nor Onion Browser shows ads.

### Which is updated more often, DuckDuckGo, optional Duck.ai or Onion Browser?

DuckDuckGo, optional Duck.ai ships an update weekly, and Onion Browser every 10 days. Most recently, DuckDuckGo, optional Duck.ai was updated on September 25, 2026 and Onion Browser on September 23, 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.*