# FKeys + Tab vs ARMS (Mobile)

The clearest difference is price: ARMS (Mobile) at Free against FKeys + Tab's $11.99. ARMS (Mobile) also leads on rating (4.7 vs 4.1) and update cadence (fortnightly vs every 5 weeks). FKeys + Tab's advantage is chart position (#75 vs unranked). On ratings volume, ads, in-app purchases and device support there is nothing between them.

ARMS (Mobile) is free to download; FKeys + Tab costs $11.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ARMS (Mobile) holds the better App Store score, 4.7 against 4.1. Both are backed by a comparable volume of ratings — 27 and 14 respectively.

FKeys + Tab ships an update every 5 weeks, ARMS (Mobile) fortnightly. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | FKeys + Tab | ARMS (Mobile) |
| --- | --- | --- |
| Price | $11.99 | **Free** |
| Rating | [4.1 (27 ratings)](https://appshunter.io/ios/app/fkeys-plus-tab/id1556107170/reviews) | **[4.7 (14 ratings)](https://appshunter.io/ios/app/arms-mobile/id1615127530/reviews)** |
| Number of ratings | **27** | 14 |
| Positive reviews | 46.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Paid | **Free** |
| Best chart rank | **#75** | — |
| Size | 41 MB | 122 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Kelowna Software Ltd](https://appshunter.io/developer/1556107172) | [CEDAR AI, INC.](https://appshunter.io/developer/1615127532) |

## What reviewers say

### FKeys + Tab

[App page](https://appshunter.io/ios/app/fkeys-plus-tab/id1556107170)

**Currently charting:** #75 Top Paid · Productivity (US App Store)

This browser enhances legacy application compatibility by providing always-visible F1-F12, Tab, and Enter keys. It supports JavaScript window.open, sends key events, and offers features like dark mode and pinch-to-zoom.

**Highlights:** Always visible F1-F12, Tab, Enter keys, Legacy application compatibility, Dark mode, Landscape mode, Browser history, Pinch to zoom

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

**In-app purchases:** none


### ARMS (Mobile)

[App page](https://appshunter.io/ios/app/arms-mobile/id1615127530)

This app streamlines rail yard operations for switching crews, supporting transload and intermodal workflows. It allows for managing car movements, inventory, and switch requests, while also facilitating truck check-ins and container tracking.

**Highlights:** Manage rail car movements and inventory, Process transload workflows for rail and trucks, Track intermodal container movements, Receive and complete switch requests, Barcode/QR code scanning for inventory, Generate shipping paperwork

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

**In-app purchases:** none


## Frequently asked questions

### Is FKeys + Tab free?

FKeys + Tab costs $11.99, with no in-app purchases.

### Is ARMS (Mobile) free?

ARMS (Mobile) is free to download, with no in-app purchases.

### Which has better reviews, FKeys + Tab or ARMS (Mobile)?

ARMS (Mobile) is rated higher. FKeys + Tab averages 4.1 out of 5 from 27 ratings, while ARMS (Mobile) averages 4.7 from 14 ratings.

### Do FKeys + Tab or ARMS (Mobile) have ads?

Neither FKeys + Tab nor ARMS (Mobile) shows ads.

### Which is updated more often, FKeys + Tab or ARMS (Mobile)?

FKeys + Tab ships an update every 5 weeks, and ARMS (Mobile) fortnightly. Most recently, FKeys + Tab was updated on October 27, 2026 and ARMS (Mobile) on October 24, 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.*