Bedside Clock vs Calendar Alarm
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bedside Clock
Transform your device into a large, easy-to-read digital bedside clock. Features voice control to silence alarms and offers customizable hourly chimes. Supports dynamic island, lock screen, and home screen widgets for at-a-glance time checks.
- Large digital clock display
- Voice control to stop alarms
- Dynamic Island and lock screen support
- Home screen widgets with real-time seconds
- Customizable alarm settings
- Hourly time chime and reminders
Read full descriptionHide full description
Bedside alarm clock display a large digital clock on the bedside table. When the alarm goes off, you can turn it off via voice control. - Supports dynamic island, lock screen, and home screen display seconds. - Display time in standby mode in seconds. - Full-screen digital time display, allowing you to check the time anywhere in the room. - Hourly time chime, hourly reminder. - Voice control to stop alarm. When the alarm clock sounds, say "Stop" on the alarm clock interface, and the alarm clock will automatically turn off. - Convenient alarm clock settings, you can add multiple alarm clocks, set alarm clock music, repeat type, etc. - Supports time display in desktop widgets and lock screen widgets, updating seconds in real time.
Calendar Alarm
This alarm clock app is designed for individuals with irregular wake-up schedules, such as shift workers or those working from home. It simplifies setting alarms by allowing users to create and manage custom wake-up time patterns, preventing oversleeping with features like automatic calls and background startup.
- Custom wake-up time patterns
- Automatic call snooze function
- Background alarm startup
- Sound in silent mode
- Batch editing of patterns
- Link patterns to dates
Read full descriptionHide full description
Automatic call is available!! "Calendar Alarm" is a perfect alarm clock app for people who don't have the same wake-up time every day, such as shift work, night shifts, or working from home. Normal alarms can be set for each day of the week, but have you ever forgotten to set an alarm and overslept, or woken up at a time you shouldn't have? It's a hassle to change the settings every day, and setting alarms one by one on a calendar is tedious and difficult to use.This app was born out of these concerns, and is perfect for people who wake up at irregular times. Let the simple, easy-to-use interface combined with rich features help you improve your morning routine and make your daily life smoother! ■New feature Automatic call! ! Equipped with an automatic call as a snooze function! If you haven't started the app and stopped the alarm after the scheduled time, you will receive an automatic call! Please help prevent oversleeping! ■Features of Calendar Alarm By registering your own wake-up time pattern, you can easily set it! You can register a name and set a theme color for each pattern, and you can easily check the registered wake-up times for each day in a list! ■Function 1 Background startup The alarm still sounds even if the screen is turned off. No need to leave the app open when you go to bed! (If the app is closed or crashes, you will receive a push notification.) ■Function 2 Sound The sound will be heard even in silent mode! No need to switch your smartphone every time! (You can also turn off the sound.) ■Function 3 Vibration You can also set the vibration On/Off! ■Function 4 Batch change By editing linked patterns, you can change them all at once. For example, if you want to wake up 5 minutes earlier, you don't have to change the time you set for each day, you can apply it to all days by editing the registered pattern itself! ■How to use There are several patterns for wake-up times, such as early shift, late shift, night shift, and working from home, so you can easily create and register your own pattern! 1. Register as many wake-up time patterns as you need 2. Link registered patterns to alarms by date with one touch 3. Set alarms for multiple days at once on the monthly calendar If you want to use the automatic snooze function... 4. Create an account and turn on automatic calls! If you have irregular wake-up times, use this app to free yourself from the hassles of the past and have a more comfortable morning!
Screenshots
Verdict
The clearest difference is rating: Bedside Clock at 4.5 against Calendar Alarm's 3.6. Bedside Clock also leads on ratings volume (3.7K vs 9). Calendar Alarm's advantage is in-app purchases (none vs 2). 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. Bedside Clock sells 2 one-off in-app purchases. Calendar Alarm asks for nothing beyond the download.
Bedside Clock holds the better App Store score, 4.5 against 3.6. That said, the two scores are not equally well evidenced: Bedside Clock has 3.7K ratings behind it against 9, so its average is the more settled of the two.
Bedside Clock ships an update every 3 weeks, Calendar Alarm fortnightly. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.
| Parameter | Bedside Clock | Calendar Alarm |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (3.7K ratings) — better | 3.6 (9 ratings) |
| Positive reviews | 70.3% of reviews | — |
| Number of ratings | 3.7K — better | 9 |
| Update frequency | Every 3 weeks | Fortnightly — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 68 MB | 106 MB |
| Age rating | 9+ | 4+ |
| Developer | 章健 杨 | Kenta Shimomura |
Customer experience
Bedside Clock
Calendar Alarm
Bugs and requests
Bedside Clock
Reported bugs
5 issues- Alarm not working as expected
- Time/date display issues
- Landscape mode not functioning
- App crashes or fails to open
- Incompatibility with newer iOS versions
Requested features
5 requests- 12-hour clock mode
- Ability to remove seconds display
- More color/theme options
- Improved alarm customization
- Widget/home screen integration
Calendar Alarm
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Bedside Clock
- Remove Ads$0.99
- Pro Version$2.99
Calendar Alarm
No in-app purchases
Questions
Is Bedside Clock free?
Is Calendar Alarm free?
Which has better reviews, Bedside Clock or Calendar Alarm?
Do Bedside Clock or Calendar Alarm have ads?
Which is updated more often, Bedside Clock or Calendar Alarm?
Other comparisons















