# Onion Browser vs Firefox Fast & Private Browser

The clearest difference is rating: Firefox Fast & Private Browser at 4.6 against Onion Browser's 3.2. Firefox Fast & Private Browser also leads on in-app purchases (none vs 3) and ratings volume (217K vs 2.1K). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Onion Browser sells 3 one-off in-app purchases. Firefox Fast & Private Browser asks for nothing beyond the download.

Firefox Fast & Private Browser holds the better App Store score, 4.6 against 3.2. That said, the two scores are not equally well evidenced: Firefox Fast & Private Browser has 217K ratings behind it against 2.1K, so its average is the more settled of the two. Written reviews point the same way: 41% of Onion Browser's written reviews are positive against 45% of Firefox Fast & Private Browser's.

Onion Browser ships an update monthly, Firefox Fast & Private Browser weekly. Both last shipped on September 25, 2026.

## The numbers

| Metric | Onion Browser | Firefox Fast & Private Browser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (2.1K ratings)](https://appshunter.io/ios/app/onion-browser/id519296448/reviews) | **[4.6 (217K ratings)](https://appshunter.io/ios/app/firefox-fast-and-private-browser/id989804926/reviews)** |
| Number of ratings | 2.1K | **217K** |
| Positive reviews | 41.2% of reviews | **45.4% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | — | **#26** |
| Size | 83 MB | 363 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Mike Tigas](https://appshunter.io/developer/519296451) | [Mozilla](https://appshunter.io/developer/380366936) |

## What reviewers say

### Onion Browser

[App page](https://appshunter.io/ios/app/onion-browser/id519296448)

This app provides a secure and private way to browse the internet using the Tor network. It protects your privacy from trackers, secures your traffic on public Wi-Fi, and allows access to .onion sites. It also offers features to block scripts and clear cookies automatically.

**Highlights:** Browse internet over Tor, Protect privacy from website tracking, Secure traffic on insecure networks, Access .onion sites, Block scripts, Automatically clear cookies and tabs

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Onion Browser Tip | $0.99 | one-time |
| Medium Onion Browser Tip | $4.99 | one-time |
| Large Onion Browser Tip | $9.99 | one-time |

**What reviewers like**

- 🚀 Fast and stable
- 🔒 Secure and private
- 👍 Recommended by Tor Project
- 💡 Customizable security settings

**What reviewers complain about**

- 🐛 Frequent disconnections and reconnections
- 🐛 Unstable and unreliable
- 🐛 Endless permission loops
- 🐛 Bookmarking issues
- 🔋 Drains battery quickly

**Reported bugs**

- Fails to connect to Tor network
- Crashes or freezes when switching apps
- Compatibility issues with newer iOS versions
- Inability to disable JavaScript completely

**Requested features**

- Add option to disable JavaScript
- Improve tab management and browsing experience
- Integrate with more privacy-focused search engines
- Allow setting custom default search engine


### Firefox Fast & Private Browser

[App page](https://appshunter.io/ios/app/firefox-fast-and-private-browser/id989804926)

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

A fast and private web browser that protects you by default. It blocks trackers, offers private browsing, and provides tools to help you focus on content and manage your logins securely.

**Highlights:** Enhanced Tracking Protection, Private browsing mode, Page summaries, Built-in password manager, Reader Mode, Sync across devices

**Features:** Apple Wallet, iMessage stickers, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and efficient
- 🔒 Secure and privacy-focused
- 👍 Great alternative to Chrome and Safari
- 💡 Useful sync functionality across devices

**What reviewers complain about**

- 🐛 Buggy and unstable, crashes frequently
- 🔋 High battery consumption
- 👎 Cluttered and confusing UI, especially on iPad
- 🤔 Lack of customization and extension options

**Reported bugs**

- Images not loading properly
- Incompatibility with certain websites and web apps
- Keyboard issues and unexpected behavior when switching between apps
- Sync issues and data loss when switching devices

**Requested features**

- Dark mode option
- Improved bookmark management and organization
- Built-in ad blocker or support for third-party ad blockers
- Ability to rearrange tabs and customize the UI


## Frequently asked questions

### Is Onion Browser free?

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

### Is Firefox Fast & Private Browser free?

Firefox Fast & Private Browser is free to download, with no in-app purchases.

### Which has better reviews, Onion Browser or Firefox Fast & Private Browser?

Firefox Fast & Private Browser is rated higher. Onion Browser averages 3.2 out of 5 from 2.1K ratings, while Firefox Fast & Private Browser averages 4.6 from 217K ratings.

### Do Onion Browser or Firefox Fast & Private Browser have ads?

Neither Onion Browser nor Firefox Fast & Private Browser shows ads.

### Which is updated more often, Onion Browser or Firefox Fast & Private Browser?

Onion Browser ships an update monthly, and Firefox Fast & Private Browser weekly. Most recently, Onion Browser was updated on September 25, 2026 and Firefox Fast & Private Browser on September 25, 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.*