# FKey Browser vs Onion Browser

The clearest difference is review sentiment: Onion Browser at 85% against FKey Browser's 36%. Onion Browser also leads on rating (4.6 vs 2.6) and ads (none vs shown). FKey Browser's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. FKey Browser sells 1 in-app purchase, starting at $3.99 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.

Onion Browser holds the better App Store score, 4.6 against 2.6. That said, the two scores are not equally well evidenced: Onion Browser has 206 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 36% of FKey Browser's written reviews are positive against 85% of Onion Browser's.

FKey Browser ships an update every 3 months, Onion Browser every 10 days. The most recent releases landed on September 22, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | FKey Browser | Onion Browser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (5 ratings)](https://appshunter.io/ios/app/fkey-browser/id1574595042/reviews) | **[4.6 (206 ratings)](https://appshunter.io/ios/app/onion-browser-deep-web-proxy/id6478085370/reviews)** |
| Number of ratings | 5 | **206** |
| Positive reviews | 35.7% of reviews | **84.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 10 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 50 MB | 89 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Micah Wallace](https://appshunter.io/developer/1574595044) | [Secure cypher Solutions](https://appshunter.io/developer/1731713292) |

## What reviewers say

### FKey Browser

[App page](https://appshunter.io/ios/app/fkey-browser/id1574595042)

This web browser is designed for iOS devices, offering specialized keyboard support for sending function keys. It's particularly useful for accessing certain mainframe emulators and websites that require F-key input. Users can access custom configurations through ads or a subscription for unlimited, ad-free use.

**Highlights:** F-Key keyboard support, Mainframe emulator compatibility, Custom keyboard configurations, Rewarded ad access, Subscription for unlimited access, Ad-free experience with subscription

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FKey Browser Ad Free | $3.99 | per month |


### 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 | $14.99 | one-time |
| Onion Browser Pro for Lifetime | $17.99 | one-time |


## Frequently asked questions

### Is FKey Browser free?

FKey Browser 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, FKey Browser or Onion Browser?

Onion Browser is rated higher. FKey Browser averages 2.6 out of 5 from 5 ratings, while Onion Browser averages 4.6 from 206 ratings.

### Do FKey Browser or Onion Browser have ads?

FKey Browser shows ads; Onion Browser does not.

### Which is updated more often, FKey Browser or Onion Browser?

FKey Browser ships an update every 3 months, and Onion Browser every 10 days. Most recently, FKey Browser was updated on September 22, 2026 and Onion Browser on October 6, 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.*