# FKey Browser vs Stacks

The clearest difference is in-app purchases: Stacks at none against FKey Browser's 1. Stacks also leads on ads (none vs shown) and update cadence (daily vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. FKey Browser sells 1 in-app purchase, starting at $3.99 per month. Stacks asks for nothing beyond the download.

FKey Browser ships an update every 3 months, Stacks daily. The most recent releases landed on September 22, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | FKey Browser | Stacks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (5 ratings)](https://appshunter.io/ios/app/fkey-browser/id1574595042/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 35.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 50 MB | 8 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 17+ | 17+ |
| Developer | [Micah Wallace](https://appshunter.io/developer/1574595044) | [Elliot Williams](https://appshunter.io/developer/991432050) |

## 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 |


### Stacks

[App page](https://appshunter.io/ios/app/stacks-browser/id6748051865)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FKey Browser free?

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

### Is Stacks free?

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

### Do FKey Browser or Stacks have ads?

FKey Browser shows ads; Stacks does not.

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

FKey Browser ships an update every 3 months, and Stacks daily. Most recently, FKey Browser was updated on September 22, 2026 and Stacks on October 7, 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.*