# FKeys + Tab vs Shift Calendar

The clearest difference is price: Shift Calendar at Free against FKeys + Tab's $11.99. Shift Calendar also leads on update cadence (every 2 weeks vs every 5 weeks). FKeys + Tab's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

Shift Calendar is free to download; FKeys + Tab costs $11.99 up front. Shift Calendar sells 1 one-off in-app purchase. FKeys + Tab asks for nothing beyond the download.

FKeys + Tab ships an update every 5 weeks, Shift Calendar every 2 weeks. Both last shipped on October 3, 2026.

## The numbers

| Metric | FKeys + Tab | Shift Calendar |
| --- | --- | --- |
| Price | $11.99 | **Free** |
| Rating | **[4.0 (24 ratings)](https://appshunter.io/ios/app/fkeys-plus-tab/id1556107170/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 46.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Paid | — |
| Size | 41 MB | 6 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [Kelowna Software Ltd](https://appshunter.io/developer/1556107172) | [Dave Oakley](https://appshunter.io/developer/1868191386) |

## What reviewers say

### FKeys + Tab

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

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


### Shift Calendar

[App page](https://appshunter.io/ios/app/shift-calendar-shiftcheck/id6801226038)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ShiftCheck Pro — Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is FKeys + Tab free?

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

### Is Shift Calendar free?

Shift Calendar is free to download, with in-app purchases available.

### Do FKeys + Tab or Shift Calendar have ads?

Neither FKeys + Tab nor Shift Calendar shows ads.

### Which is updated more often, FKeys + Tab or Shift Calendar?

FKeys + Tab ships an update every 5 weeks, and Shift Calendar every 2 weeks. Most recently, FKeys + Tab was updated on October 3, 2026 and Shift Calendar on October 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*