Simple_Clock vs Shift Worker Calendar & Alarm
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Simple_Clock
A minimalist analog clock designed with a classic Apple iPad aesthetic. It offers the unique ability to integrate calendar events and reminders as clock hands for enhanced time management.
- Classic Apple iPad style analog clock
- Optional calendar integration as clock needles
- Optional reminders integration as clock needles
- Minimalist design
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Classic Apple iPad style clock. Feature • Add Calendar and Reminders as clock needles (optional) Support: vibecoder.company@gmail.com
Shift Worker Calendar & Alarm
This app helps shift workers manage their schedules, set reliable alarms that bypass silent mode, and track pay and bills. It offers features like automatic pattern detection for rotations, custom shift types, and financial calculations for earnings and expenses.
- Calendar with custom shift types and emoji
- Auto-detects and fills repeating shift patterns
- System alarms that bypass silent and DND modes
- Pay calculator with overtime and tax withholding
- Bills tracker with due dates and category sorting
- Export shifts and bills to calendar or CSV
- Home screen widget with alarm countdown
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Shift Alarm is the all-in-one app for shift workers. Paint your rotation on a calendar, and the app detects your pattern and fills it forward for 2 years. Set alarms that fire like the built-in Clock app — through Silent Mode and Do Not Disturb — so you never oversleep a shift again. SHIFT CALENDAR - Paint shifts by tapping or dragging across days - Create custom shift types with names, colors, and emoji - Auto-detect repeating patterns (2-on-2-off, 4-on-4-off, any rotation) - Lock your pattern to auto-fill 2 years of shifts - Add per-day notes with visual indicators - Guided setup walks you through your first pattern SYSTEM ALARMS - Real system alarms powered by AlarmKit — not notifications - Sound through Silent Mode and Do Not Disturb - Fire even if the app is closed or your phone restarts - Multiple alarms per shift type with custom tones - One-time alarms for special dates - Live countdown to your next alarm PAY CALCULATOR - Enter your hourly rate and see weekly, monthly, and yearly earnings - Automatic overtime calculations with configurable thresholds - Federal and state tax withholding - Pre-tax and post-tax deductions (401k, insurance, etc.) - Week-by-week and month-by-month pay breakdowns - Compare actual hours worked to projected earnings BILLS TRACKER - Add bills with categories, amounts, and due dates - Search, filter by category, and sort by name, amount, or due date - Monthly summary comparing total bills to your net pay - Surplus or deficit calculation so you know where you stand - Weekly and monthly bill breakdowns EXPORT EVERYWHERE - Export shifts to Apple Calendar, Google Calendar (ICS), or CSV - Export bills to Apple Calendar or CSV with custom filters - Configurable date ranges for all exports SECURITY - Face ID / Touch ID lock for pay and bills - Financial data encrypted at rest - No tracking, no ads, no data collection WIDGET - Home screen widget with live countdown to your next alarm - Auto-advances to the next alarm without reopening the app - Small and medium sizes Built specifically for nurses, firefighters, police officers, factory workers, and anyone on a rotating schedule. Shift Alarm replaces your alarm clock, pay stub calculator, and bill tracker with one simple app. Privacy Policy: https://ryanblakemurray.github.io/shift-alarm-privacy/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is ads: Shift Worker Calendar & Alarm at none against Simple_Clock's shown. Shift Worker Calendar & Alarm also leads on review sentiment (100% vs 71%) and monetization model (free vs free with in-app purchases). Simple_Clock's advantage is iOS requirement (17.0 vs 26.1). On price, update cadence, in-app purchases 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. Simple_Clock sells 1 one-off in-app purchase and Shift Worker Calendar & Alarm sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
Simple_Clock ships an update weekly, Shift Worker Calendar & Alarm every 5 days. Both last shipped on October 24, 2026.
| Parameter | Simple_Clock | Shift Worker Calendar & Alarm |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (146 ratings) — better | — |
| Positive reviews | 70.6% of reviews | 100.0% of reviews — better |
| Number of ratings | 146 — better | — |
| Update frequency | Weekly | Every 5 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 — better | 26.1 |
| Further details — not scored | ||
| Size | 91 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Seung-Un Ham | Ryan Murray |
Customer experience
Simple_Clock
Shift Worker Calendar & Alarm
In-app purchases
Simple_Clock
- Remove Ads (Lifetime)$4.99
Shift Worker Calendar & Alarm
- Monthly Subscription1 Month trial$0.991 Month
- Yearly Subscription1 Month trial$9.991 Year
Questions
Is Simple_Clock free?
Is Shift Worker Calendar & Alarm free?
Do Simple_Clock or Shift Worker Calendar & Alarm have ads?
Which is updated more often, Simple_Clock or Shift Worker Calendar & Alarm?
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