ShiftAlarm vs ShiftBell
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
ShiftAlarm
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Import an Excel/CSV roster or build a repeating work/off pattern, then keep shifts, reminders, and hours organized in one place. ShiftAlarm is a shift calendar and alarm app for rotating schedules, night work, duty shifts, and overtime. See what you work today, know when to leave, and keep your whole month organized in one place. KEY FEATURES Overtime and monthly pay (Pro) Work out overtime pay from your shifts by your region's rules: hours past 40 a week in the US, past 8 a day or 40 a week in Canada, and the local rules in Taiwan, Hong Kong and mainland China. Add base pay, bonuses and allowances item by item, see Social Security, Medicare, CPP, EI and withholding taken off, and check what was actually paid. Export the month as an image to compare with your pay stub. Free users see this month's overtime hours. Schedule assistant (Pro) Check your schedule, log overtime or change shifts in one sentence, typed or spoken. Every change waits for your confirmation and can be undone. You can also ask Siri what you work tomorrow. Alarm check See how every reminder in the next 48 hours will sound, and turn ordinary notifications into alarms with one tap. Schedule analysis Spot where your roster cuts into sleep, such as short breaks between shifts, runs of night shifts or too many days in a row, with suggestions. Today's shift and countdown See today's shift, start and end times, time until work or clock-out, and your next reminder. Shift calendar View morning, evening, night, off, and duty shifts directly on a monthly calendar. Cycle scheduling Create repeating patterns such as two days on and two days off. Preview and generate up to 365 days while choosing whether to replace or keep existing shifts. Excel and CSV import Preview and validate your existing roster before saving it. Matching shift times can be synchronized, while duplicate dates can be replaced or kept. Shift library Create, edit, and duplicate reusable shift templates for different work patterns. Overtime and work-hour statistics Record overtime or temporary duty and review regular hours, overtime, total hours, workdays, and shift distribution. Shift reminders Set wake-up, departure, and work reminders for each shift and choose a reminder sound. Home Screen widgets Check today's shift, countdown, next reminder, and weekly roster without opening the app. The This Monthβs Pay widget shows this month's overtime and expected take-home pay. Holidays and languages Choose built-in holidays for Mainland China, Hong Kong, Taiwan, the US or Canada, or turn them off; overtime pay and deductions follow the region you choose. ShiftAlarm supports Simplified Chinese, Traditional Chinese, and English. Built for healthcare, security, manufacturing, rail, aviation, emergency services, and anyone working rotating schedules. No account is required. Your schedules and reminders stay on your device, and imported roster files are not uploaded to a server.
ShiftBell
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Tell ShiftBell your rotation once. It rings on the days you work, at the time you set for that shift. On the days you don't, it stays silent. β Will it handle my pattern? β’ Not on anyone's list? Stack blocks and build the cycle your workplace runs β 2-2-3, DuPont, four on four off, whatever it is. β’ Or pick one already built: β 2 days, 2 nights, 4 off (Continental) β Day, Night, Off β 2 days, 2 evenings, 2 nights, 2 off β 24 on / 48 off β 5-2 (fixed) β’ Handed a new schedule every month? Paint it onto the calendar day by day. β’ Or take a photo of the schedule (or pick one from Photos) and ShiftBell reads your shifts off it (Pro). The photo goes through our server to OpenAI to be read, and only after you agree. Not offered in mainland China, Hong Kong or Macau. β’ Need to change one day? Tap it. β’ Already in your iPhone calendar? Import it (Pro). β’ Set the start date once and the app works out every workday after it. β’ Presets, the cycles you build and per-day edits are all free. β Will it actually wake me? Free rings once, and a check records how you got up: the Confirm button, or a Math problem. Pro is the part that won't take one ring for an answer. Pick Quick Tap, Memory, Typing, Steps, Selfie, Find the open eye or Photo of a place. It comes back every minute until you pass, and turning it off doesn't end it. That is what stops the half-asleep dismissal. On iOS 26 and later, alarms ring through Silent Mode and Focus. β Who it is for Nurses, firefighters and paramedics. Plant swing shifts, 24/48 duty, security, logistics, aviation. Anyone whose schedule is handed to them a month at a time. β Your data, your choice No account, no ads, no tracking. Your schedule, alarms and journal are kept on this iPhone. A roster photo leaves it only if you choose to have it read. Wake selfies stay encrypted on this iPhone and out of your backups. Log mood and fatigue in seconds when a shift ends. Back the whole thing up to your own iCloud β we still can't read that backup. β Pro Pro adds: β’ alarms that keep ringing until you pass the check, plus seven more wake checks β’ your iPhone calendar's events and public holidays, plus shift import β’ reading your roster from a photo, up to 20 roster photos a month β’ custom shift types Everything else is free, including: β’ the commute weather briefing, read out for both ends of your shift β’ mood and fatigue statistics, with a PDF you can share β’ day templates and widgets Yearly starts with a free week. If your schedule doesn't fit yet, write to borabada77@gmail.com. Every message reaches the people who build ShiftBell. Subscriptions renew automatically unless canceled at least 24 hours before the period ends. Manage or cancel in your App Store account settings.
Screenshots
Verdict
ShiftAlarm and ShiftBell are too close to call on the numbers: across 6 compared parameters β price, update cadence, ads and in-app purchases among them β neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. ShiftAlarm sells 1 one-off in-app purchase and ShiftBell sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly weekly. Both last shipped on November 13, 2026.
| Parameter | ShiftAlarm | ShiftBell |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | Weekly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad β better | iPhone |
| Requires iOS | 18.0 | 17.4 β better |
| Further details β not scored | ||
| Size | 37 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | ζ ε | SEONG MIN LEE |
In-app purchases
ShiftAlarm
- ShiftAlarm Pro Lifetime$2.99
ShiftBell
- ShiftBell Pro Monthly$2.991 Month
- ShiftBell Pro Yearly7 Days trial$19.991 Year








