# IsI Browser vs Fast Private Internet Browser

The clearest difference is rating: Fast Private Internet Browser at 4.8 against IsI Browser's 3.5. Fast Private Internet Browser also leads on ratings volume (63 vs 2). IsI Browser's advantage is review sentiment (100% vs 67%) and iOS requirement (11.0 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Fast Private Internet Browser holds the better App Store score, 4.8 against 3.5. That said, the two scores are not equally well evidenced: Fast Private Internet Browser has 63 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 100% of IsI Browser's written reviews are positive against 67% of Fast Private Internet Browser's, so the app with the better star average is not the one people write more warmly about.

IsI Browser ships an update every 2 months, Fast Private Internet Browser every 3 months. The most recent releases landed on June 1, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | IsI Browser | Fast Private Internet Browser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/isi-browser/id1352276474/reviews) | **[4.8 (63 ratings)](https://appshunter.io/ios/app/fast-private-internet-browser/id1643721570/reviews)** |
| Number of ratings | 2 | **63** |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 15 MB | 11 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Dominic Barra](https://appshunter.io/developer/891093115) | [Appgeneration Software](https://appshunter.io/developer/386316599) |

## What reviewers say

### IsI Browser

[App page](https://appshunter.io/ios/app/isi-browser/id1352276474)

A fast, free web browser offering a secure and simple browsing experience. It provides quick access to websites with an easy-to-use interface, leveraging Apple's security features. The app is currently under development with plans for future feature additions.

**Highlights:** Fast web browsing, Free to use, High security, Simple interface, Quick website access, Under development

**Features:** macOS Compatibility

**In-app purchases:** none


### Fast Private Internet Browser

[App page](https://appshunter.io/ios/app/fast-private-internet-browser/id1643721570)

This browser offers a private and secure way to surf the internet. It features a built-in ad blocker to prevent tracking and annoying content, along with an incognito mode for history-free browsing. Easily manage bookmarks and view blocked ad data.

**Highlights:** Built-in AdBlocker, Incognito Mode, Personalized bookmarks, Browsing history, Recent tabs, Speedy browsing

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

**In-app purchases:** none


## Frequently asked questions

### Is IsI Browser free?

IsI Browser is free to download, with no in-app purchases.

### Is Fast Private Internet Browser free?

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

### Which has better reviews, IsI Browser or Fast Private Internet Browser?

Fast Private Internet Browser is rated higher. IsI Browser averages 3.5 out of 5 from 2 ratings, while Fast Private Internet Browser averages 4.8 from 63 ratings.

### Do IsI Browser or Fast Private Internet Browser have ads?

Neither IsI Browser nor Fast Private Internet Browser shows ads.

### Which is updated more often, IsI Browser or Fast Private Internet Browser?

IsI Browser ships an update every 2 months, and Fast Private Internet Browser every 3 months. Most recently, IsI Browser was updated on June 1, 2026 and Fast Private Internet Browser on September 17, 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.*