There are two possible causes:

– The device is set to Silent Mode.
– The device is set to Focus Mode.

To turn off Silent Mode, use the button on the side of the device.

As for the second, Focus Mode, check out the FAQ just below: “Can I use this app in Focus Mode?“

Yes, this app can be used in Focus Mode.

Follow the steps below to “add this app” or “enable Time Sensitive Notifications” in the Focus.

(1) Open “Settings” from the home screen.
(2) Select “Focus”.
(3) Select the target Focus.
(4) Tap “Apps”.
(5) Add this app. (or enable “Time Sensitive Notifications”.)

If there is no problem with the alarm settings of this app, the “Ringtone and Alerts” volume of the device may be set to the minimum.

Follow the steps below to check the volume and change it if necessary.

(1) Open “Settings” from the home screen.
(2) Select “Sounds & Haptics”.
(3) Check the volume of “Ringtone and Alerts”.

The sound is a feature called “Sleep Music” and is designed to help users fall asleep smoothly.

If you don’t need Sleep Music, check out the FAQ just below: “How do I disable Sleep Music?“

If you don’t need Sleep Music, disable it by following the steps below.

(1) Tap the “Set Alarm” button.
(2) Tap the “ZZZ + Musical Note” button to display the Sleep Music settings.
(3) Select “(No Sound)”.

The alarm will sound within 24 hours of the time you set it.

Therefore, if the alarm time is earlier than the current time, the alarm time is set to Tomorrow.

It may be easier to understand if you think of it as working just like an analog alarm clock.

Only music that has been downloaded to the device appears in the library.

Download the music you want to use by following the steps below.

(1) Start “Music(the default music app)”.
(2) Select “Download” from the menu on the right side of the music.

Please note that music from Apple Music may not be used due to copyright issues.

You can set the alarm by following the steps below.

(1) Start the app.
(2) Tap the “Clock” button and set the alarm time.
(3) Tap the “Set Alarm” button.

You can cancel the alarm by following the steps below.

(1) Start the app.
(2) Slide the “Cancel Alarm” button to the right.

For the first 30 seconds of the alarm, you cannot stop it by tapping the “Pause” button on the lock screen.

Stop the alarm by one of the following two procedures.

Procedure 1
(1) Unlock the screen and start the app.
(2) Tap the “Stop Alarm” button.

Procedure 2
(1) Wait for 30 seconds or more from the start of the alarm.
(2) Tap the “Pause” button on the lock screen.

Another app may be making the alarm.

Have you ever set an alarm using the standard clock app?
In many cases so far, it was the standard clock app that made the alarm.

Another app may be making the sound.

Have you ever set an alarm using the standard clock app?
In many cases so far, it was the standard clock app that made the sound.

When the alarm time comes, the “Stop Alarm” button and the “Snooze” button appear on the app.

By tapping the “Snooze” button, you can use the snooze function.

If you have selected “Unspecified” as the snooze time in the alarm settings, you can select the snooze time when you tap the “Snooze” button.

This app uses “Time Sensitive Notifications” to sound alarms.

The notifications remain on the lock screen, but disappear after one hour.

If you want them to go away immediately, swipe the notifications to the left.

We are continuously working on this problem so that it will be improved in future updates.

For the time being, we recommend using this app while the device is charging.

No, there is no paid version without ads.

However, the banner ads at the bottom of the screen disappear when you set the alarm.
This means that ads won’t disturb your sleep.