FKeys + Tab vs Shift Calendar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FKeys + Tab
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.
- Always visible F1-F12, Tab, Enter keys
- Legacy application compatibility
- Dark mode
- Landscape mode
- Browser history
- Pinch to zoom
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FKeys + Tab is a web browser that adds the ability to use F1-F12 keys in legacy applications. Features: No Ads F1-F12, Tab, and Enter Keys that are always visible, even when the keyboard is hidden Dark mode Landscape mode Home button to save the URL you want to visit Homepage loads on app start up automatically. Browser history Works with Javascript window.open(), target="_blank" sources Sends both KeyDown and KeyUp events Pinch to Zoom on fullscreen pages (where meta tags not properly set)
Shift Calendar
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The shift calendar for people on a rotation. Pick your pattern once and ShiftCheck fills in every shift, from last month to a year ahead. Built for hospital nurses on 3×12s first, then fire and EMS crews on 24/48s, 48/96s and Kelly schedules, and plant and warehouse crews on DuPont, Pitman and 2-2-3. No account. No ads. Works offline. YOUR ROTATION, MONTHS AHEAD • 12 presets named the way crews say them: 2-2-3 (Panama), Pitman, DuPont, 4 on 4 off, 48/96, 24/48, Kelly, 14 on 14 off, 3×12, Continental, 5-5-4, and 4 on 3 off (4×10s) • Or build your own repeat • Picked up an extra shift? The pattern never overwrites a day you changed by hand, and a rotation day you erase stays erased • Unlimited shift types, each with its own color EVERY DAY, AS IT REALLY WENT • Mark a shift as a pickup, charge, or cancelled, and add a note • Stayed late or left early? Record your actual hours and the estimate counts the real minutes • Vacation and sick days on the calendar AT A GLANCE • Home Screen and Lock Screen widgets: your next shift and your week • Apple Watch app with complications for your next shift • A reminder 12 or 2 hours before each shift, off until you turn it on • On shift, a Live Activity shows your earnings on the Lock Screen • Works on iPhone and iPad ON ALL YOUR DEVICES iCloud sync keeps your iPhone and iPad in step through your own iCloud. There is no ShiftCheck account. Sync is on by default for new installs when you're signed in to iCloud; turn it off any time in Settings. SHIFTCHECK PRO: THE PAYCHECK, AND YOUR PARTNER'S CALENDAR The calendar is free, including a basic pay estimate for the month. Pro is a one-time unlock that adds: • Partner calendar sharing: your shifts go into a "ShiftCheck" calendar in Apple Calendar that you share with your partner, family, or coworkers. It updates when your schedule changes, and they don't need the app • This paycheck, for your pay period: weekly, every 2 weeks, twice a month, or monthly • Overtime the way your employer counts it: weekly, daily, or the 8/80 hospital rule, with limits you set, and off-day pickups paid as overtime if that's your rule • Night, weekend, and holiday premiums, split correctly across midnight • Paid time off in the forecast, a take-home estimate, and your next payday • More than one job, each with its own overtime rules and paycheck • A different rate on any single shift • Paycheck reports with CSV export One-time unlock. No subscription. No ads. PRIVATE BY DESIGN Your schedule stays on your devices and in your own iCloud. No account, no ads, and nothing is sold. ShiftCheck sends anonymous usage counts (which screens and features get used, with a random ID that isn't tied to you) so we can see what to fix and improve. It never sends your schedule, pay, names, or notes, and you can turn it off in Settings › Privacy. Free calculators and schedule guides: stackcurious.com/shiftcalendar
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | FKeys + Tab | Shift Calendar |
|---|---|---|
| Price | $11.99 | Free — better |
| Rating | 4.0 (24 ratings) — better | — |
| Positive reviews | 46.2% of reviews | — |
| Number of ratings | 24 — better | — |
| Update frequency | Every 5 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad, Apple Watch — better |
| Requires iOS | 16.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 41 MB | 6 MB |
| Age rating | 17+ | 4+ |
| Developer | Kelowna Software Ltd | Dave Oakley |
In-app purchases
FKeys + Tab
No in-app purchases
Shift Calendar
- ShiftCheck Pro — Lifetime$14.99
Questions
Is FKeys + Tab free?
Is Shift Calendar free?
Do FKeys + Tab or Shift Calendar have ads?
Which is updated more often, FKeys + Tab or Shift Calendar?
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