# Private Full Screen Browser vs DuckDuckGo, optional Duck.ai

The clearest difference is rating: DuckDuckGo, optional Duck.ai at 4.8 against Private Full Screen Browser's 4.2. DuckDuckGo, optional Duck.ai also leads on ads (none vs shown) and update cadence (weekly vs every 4 months). Private Full Screen Browser's advantage is iOS requirement (13.0 vs 15.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Private Full Screen Browser sells 1 one-off in-app purchase and DuckDuckGo, optional Duck.ai sells 7 in-app purchases, starting at $9.99 per month. 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 4.2. That said, the two scores are not equally well evidenced: DuckDuckGo, optional Duck.ai has 2.4M ratings behind it against 247, so its average is the more settled of the two. Written reviews point the same way: 52% of Private Full Screen Browser's written reviews are positive against 65% of DuckDuckGo, optional Duck.ai's.

Private Full Screen Browser ships an update every 4 months, DuckDuckGo, optional Duck.ai weekly. The most recent releases landed on September 24, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Private Full Screen Browser | DuckDuckGo, optional Duck.ai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (247 ratings)](https://appshunter.io/ios/app/private-full-screen-browser/id501940809/reviews) | **[4.8 (2.4M ratings)](https://appshunter.io/ios/app/duckduckgo-optional-duckai/id663592361/reviews)** |
| Number of ratings | 247 | **2.4M** |
| Positive reviews | 51.8% of reviews | **65.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#17** |
| Size | 30 MB | 240 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | +17 |
| Developer | [Ankur Diyora](https://appshunter.io/developer/472757266) | [DuckDuckGo, Inc.](https://appshunter.io/developer/479988139) |

## What reviewers say

### Private Full Screen Browser

[App page](https://appshunter.io/ios/app/private-full-screen-browser/id501940809)

This app offers a private, full-screen browsing experience by hiding interface elements for more screen real estate. It defaults to incognito mode, clearing history and cookies upon exit, and allows users to control privacy settings. Enjoy enhanced viewing and secure surfing.

**Highlights:** Full-screen browsing, Incognito mode by default, Clears history, cookies, and cache on exit, Customizable privacy controls, Bookmark management, Multipage support, Multiple search engine options

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Features | $0.99 | one-time |

**What reviewers like**

- 👍 Full screen view
- 🚀 Fast loading
- 👍 Simple and easy to use
- 👍 Good for older devices
- 👍 Reliable performance

**What reviewers complain about**

- 🐛 Limited to 2 tabs
- 🐛 Annoying ads
- 🐛 Paid features required
- 🐛 Does not work with Remote Desktop
- 🐛 Bug with local host URLs

**Reported bugs**

- Bug with resolving local host URLs
- App crashes on iOS 12
- App closes on open with iOS 12
- App forgets saved sites
- Cannot clear cookies without uninstalling

**Requested features**

- Add custom start pages
- Edge swipe for moving through pages
- Option to put bottom menus at the top
- Change search engine
- Add text size option


### DuckDuckGo, optional Duck.ai

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

**Currently charting:** #17 Top Free · Utilities, #28 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


## Frequently asked questions

### Is Private Full Screen Browser free?

Private Full Screen Browser is free to download, with in-app purchases available.

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

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

### Which has better reviews, Private Full Screen Browser or DuckDuckGo, optional Duck.ai?

DuckDuckGo, optional Duck.ai is rated higher. Private Full Screen Browser averages 4.2 out of 5 from 247 ratings, while DuckDuckGo, optional Duck.ai averages 4.8 from 2.4M ratings.

### Do Private Full Screen Browser or DuckDuckGo, optional Duck.ai have ads?

Private Full Screen Browser shows ads; DuckDuckGo, optional Duck.ai does not.

### Which is updated more often, Private Full Screen Browser or DuckDuckGo, optional Duck.ai?

Private Full Screen Browser ships an update every 4 months, and DuckDuckGo, optional Duck.ai weekly. Most recently, Private Full Screen Browser was updated on September 24, 2026 and DuckDuckGo, optional Duck.ai on September 27, 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.*