24 vs Shift Calendar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
24
This utility app provides a clear, one-screen overview of your entire week, displaying 24-hour notes for each day. It highlights the current day and time with a red frame for easy reference. Easily navigate through your schedule to manage your time effectively.
- 24-hour daily view
- 7-day weekly view
- One-line note entries
- Current day and time highlight
- Easy page switching
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A simple timetable free app that displays one-line notes for 24 hours a day, 7 days a week on one screen. Today's day of the week and current time are in a red frame. Today's date. Switch by specifying the page.
Shift Calendar
Easily manage your work schedule with this app designed for shift workers. Customize your shifts, generate schedules automatically, and add important notes to your calendar.
- Customizable shift work
- Automatic cycle scheduling
- Calendar notes
- Clear shift display
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Shift Calendar is designed for people who do shift works. It's easy to manage your job and work time - you can customize your shift work - Cycle scheduling, automatic generation of shift work for each day - Calendar notes, write important notes for each day - Shift works display in calendar clearly
Screenshots
Verdict
The clearest difference is review sentiment: 24 at 76% against Shift Calendar's 51%. 24 also leads on rating (4.4 vs 4.2) and monetization model (ad-supported vs free with in-app purchases). Shift Calendar's advantage is update cadence (every 3 months vs every 8 months) and iOS requirement (11.0 vs 15). On price, ratings volume, ads and in-app purchases 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. 24 sells 1 one-off in-app purchase and Shift Calendar sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
24 holds the better App Store score, 4.4 against 4.2. Both are backed by a comparable volume of ratings — 62 and 144 respectively. Written reviews point the same way: 76% of 24's written reviews are positive against 51% of Shift Calendar's.
24 ships an update every 8 months, Shift Calendar every 3 months. The most recent releases landed on October 5, 2026 and October 17, 2026 respectively.
| Parameter | 24 | Shift Calendar |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (62 ratings) — better | 4.2 (144 ratings) |
| Positive reviews | 76.5% of reviews — better | 51.5% of reviews |
| Number of ratings | 62 | 144 — better |
| Update frequency | Every 8 months | Every 3 months — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15 | 11.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 27 MB |
| Age rating | 17+ | 4+ |
| Developer | SHIGETO TAKAGI | 章健 杨 |
Customer experience
24
Shift Calendar
In-app purchases
24
- Remove Ads$1.99
Shift Calendar
- Calendar Notes$0.99
- Remove Ads$0.99
- Pro Version$0.99
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- Add User$0.99
