Comparison

Bedside Clock vs Calendar Alarm

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read 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.

About

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.

Highlights
  • Custom wake-up time patterns
  • Automatic call snooze function
  • Background alarm startup
  • Sound in silent mode
  • Batch editing of patterns
  • Link patterns to dates
Features
Read 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

Bedside Clock4 screens
Calendar Alarm4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Bedside Clock sells 2 one-off in-app purchases. Calendar Alarm asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
Bedside Clock versus Calendar Alarm: the parameters behind the verdict, then further details
ParameterBedside ClockCalendar Alarm
PriceFreeFree
Rating4.5 (3.7K ratings) — better3.6 (9 ratings)
Positive reviews70.3% of reviews—
Number of ratings3.7K — better9
Update frequencyEvery 3 weeksFortnightly — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size68 MB106 MB
Age rating9+4+
Developer章健 杨Kenta Shimomura

Customer experience

Bedside Clock

All ratings3,644 ratings
Positive89.1%
Neutral4.6%
Negative6.3%
Written reviews441 reviews
Positive70.3%
Neutral8.2%
Negative21.5%

Calendar Alarm

All ratings8 ratings
Positive75.0%
Neutral0.0%
Negative25.0%

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

2 purchases

Bedside Clock

One-time2
  • Remove Ads$0.99
  • Pro Version$2.99
None

Calendar Alarm

No in-app purchases

Questions

Is Bedside Clock free?
Bedside Clock is free to download, with in-app purchases available.
Is Calendar Alarm free?
Calendar Alarm is free to download, with no in-app purchases.
Which has better reviews, Bedside Clock or Calendar Alarm?
Bedside Clock is rated higher. Bedside Clock averages 4.5 out of 5 from 3.7K ratings, while Calendar Alarm averages 3.6 from 9 ratings.
Do Bedside Clock or Calendar Alarm have ads?
Both Bedside Clock and Calendar Alarm show ads.
Which is updated more often, Bedside Clock or Calendar Alarm?
Bedside Clock ships an update every 3 weeks, and Calendar Alarm fortnightly. Most recently, Bedside Clock was updated on October 29, 2026 and Calendar Alarm on October 24, 2026.

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