Pro OnTime vs Shift Work Alarm
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pro OnTime
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Ontime App, Staff Attendance App, Face Self, with Device Mobile attendance apps capture and log in data and keep employee attendance records updated in real time. The use of attendance tracking apps for employees can help you save not only time and manual labor but it will also help you save the planet. Less paperwork means less environmental harm
Shift Work Alarm
This alarm clock is designed for individuals with non-traditional work schedules. It offers customizable alarms that can automatically skip holidays and follow specific shift patterns, ensuring you wake up on workdays and rest on days off. It also includes a smart calendar and spoken reminders for various needs.
- Shift-based alarms
- Automatic holiday skipping
- Customizable rotation patterns
- Spoken reminders
- Smart calendar view
- Rings through silent mode
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Shift Alarm is built for people who don't work 9-to-5. If you run 4 on / 2 off, rotate on a three-crew pattern, or juggle morning, swing and night shifts, a regular alarm clock works against you. Shift Alarm turns your rotation into a single rule, knows your public holidays, and rings on make-up workdays so you never sleep through an early start. WHY SHIFT ALARM - Handed to the iOS system clock: alarms ring on silent, in Focus and on Standby — no settings to configure. - Rotating shifts in one rule: set the template and start date and the next 14 days are laid out for you. - Holiday-aware: work alarms stay quiet on public holidays and ring on announced make-up workdays. - Follow my schedule: mark any single day as work or off and your alarms adjust. - Every repeat rule you need: weekdays, weekends, specific date, monthly, yearly and custom intervals. - Reminders: fixed times, repeating intervals or workdays only — good for medication, water and hourly chimes. - Spoken name: the alarm can speak the label instead of playing a tone. - Skip one occurrence when you're already awake, without affecting the next. ALARM VS REMINDER Alarms use the system alarm channel and always ring — use them for anything that has to wake you. Reminders use notifications and won't force sound on silent — use them for water, stretch breaks and hourly nudges. PUBLIC HOLIDAYS US federal and UK bank holiday dates are built in, including substitute days, and refreshed automatically. Pick your region in Settings. Free to download, with the core holiday-aware alarm available at no cost. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://alarm1.pages.dev/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Pro OnTime at none against Shift Work Alarm's 2. Pro OnTime also leads on iOS requirement (15.0 vs 26.0). On price, update cadence, ads and device support 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
Both are free to download. Shift Work Alarm sells 2 in-app purchases, starting at $0.99 per month. Pro OnTime asks for nothing beyond the download.
Pro OnTime ships an update fortnightly, Shift Work Alarm every 9 days. The most recent releases landed on October 4, 2026 and October 29, 2026 respectively.
| Parameter | Pro OnTime | Shift Work Alarm |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Fortnightly | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 37 MB | 11 MB |
| Age rating | 17+ | 4+ |
| Developer | SIDEREAL TECHNOLOGIES PRIVATE LIMITED | 秋丽 陈 |
In-app purchases
Pro OnTime
No in-app purchases
Shift Work Alarm
- Shift Pro Monthly$0.991 Month
- Shift Alarm Pro7 Days trial$9.991 Year









