# Firefox Fast & Private Browser vs UPX Private Browser

The clearest difference is in-app purchases: Firefox Fast & Private Browser at none against UPX Private Browser's 3. Firefox Fast & Private Browser also leads on ads (none vs shown) and update cadence (weekly vs every 2 months). On price, rating, review sentiment and device support there is nothing between them.

Both are free to download. UPX Private Browser sells 3 in-app purchases, starting at $1.99 per 7 days. Firefox Fast & Private Browser asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for Firefox Fast & Private Browser against 4.6 for UPX Private Browser. That said, the two scores are not equally well evidenced: Firefox Fast & Private Browser has 217K ratings behind it against 8.8K, so its average is the more settled of the two. Written reviews are what separate them: 45% of Firefox Fast & Private Browser's written reviews are positive against 41% of UPX Private Browser's.

Firefox Fast & Private Browser ships an update weekly, UPX Private Browser every 2 months. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Firefox Fast & Private Browser | UPX Private Browser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (217K ratings)](https://appshunter.io/ios/app/firefox-fast-and-private-browser/id989804926/reviews) | [4.6 (8.8K ratings)](https://appshunter.io/ios/app/upx-private-browser/id1490004521/reviews) |
| Number of ratings | **217K** | 8.8K |
| Positive reviews | **45.4% of reviews** | 41.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | **#26** | — |
| Size | 363 MB | 216 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Mozilla](https://appshunter.io/developer/380366936) | [Prox Solut LLC](https://appshunter.io/developer/1477750014) |

## What reviewers say

### 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


### UPX Private Browser

[App page](https://appshunter.io/ios/app/upx-private-browser/id1490004521)

Browse the internet securely and anonymously with advanced encryption and an incognito mode. Enjoy fast connections and leave no trace of your online activity. Premium features offer an ad-free experience and enhanced performance.

**Highlights:** Advanced encryption for data security, Anonymous surfing with IP masking, Incognito browser mode, Super fast connection speeds, No logs of browsing history, Multiple language support

**Features:** Apple Wallet

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $1.99 | per 7 days |
| Monthly Premium | $7.99 | per month |
| Yearly Premium | $79.99 | per year |

**What reviewers like**

- 👍 Best app to use
- 🚀 Fast and easy to use
- 🔒 Excellent internal VPN

**What reviewers complain about**

- 🐛 Crashes frequently
- 🐛 Doesn't work for free users
- 🔒 Requires location tracking
- 💸 Aggressive subscription upsells
- 🐛 Compatibility issues with iOS 14

**Reported bugs**

- Can't restore purchases after cancellation
- Websites not loading properly
- Video playback issues

**Requested features**

- Add a lifetime subscription option
- Improve full-screen video playback
- Add download functionality


## Frequently asked questions

### Is Firefox Fast & Private Browser free?

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

### Is UPX Private Browser free?

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

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

Firefox Fast & Private Browser and UPX Private Browser are both rated 4.6 out of 5 on the App Store, from 217K and 8.8K ratings respectively.

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

UPX Private Browser shows ads; Firefox Fast & Private Browser does not.

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

Firefox Fast & Private Browser ships an update weekly, and UPX Private Browser every 2 months. Most recently, Firefox Fast & Private Browser was updated on September 24, 2026 and UPX Private Browser on September 22, 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.*