Version history
JUKUSUI-Sleep Cycle Alarm
58
ASO score
Text
67/100
Reviews
50/100
Graphic
60/100
Other
0/100
App Rating
4.5
Votes
23.47K
App Age
11y 7m
Last Update
Nov 28, 2025
iAP
$0.99 - 0.99
Compare with Category Top Apps
|
Metrics
|
Current App
|
Category Top Average
|
Difference
|
|---|---|---|---|
|
Rating
|
4.5
|
4.68
|
-4%
|
|
Number of Ratings (Voted)
|
23.5K
|
813.9K
|
-97%
|
|
App Age
|
11y 7m
|
8y 6m
|
+36%
|
|
In-app Purchases Price
|
$20
|
$49
|
-58
%
|
|
Update Frequency
|
51d
|
26d
|
+93%
|
|
Title Length
|
25
|
26
|
-4%
|
|
Subtitle Length
|
30
|
27
|
+11%
|
|
Description Length
|
3 805
|
3 235
|
+18%
|
|
Number of Screenshots
|
699
|
1419
|
-51
%
|
|
Size
|
118MB
|
343MB
|
-65
%
|
Category Ranking in United States
7 days
Last 7 days
Last 30 days
Last 90 days
Last 180 days
Last year
| Top | Dec 04, 2025 | Dec 11, 2025 |
|---|---|---|
|
No results were found!
|
||
| Top | Dec 04, 2025 | Dec 11, 2025 |
|---|---|---|
|
No results were found!
|
||
| Top | Dec 04, 2025 | Dec 11, 2025 |
|---|---|---|
|
No results were found!
|
||
| Top | Dec 04, 2025 | Dec 11, 2025 |
|---|---|---|
|
No results were found!
|
||
Ranking Keywords in United States
| Keywords | App Rank |
|---|
Analyze this and other apps using Asolytics tools
Text ASO
Title
(
Characters:
25
of 30
)
JUKUSUI-Sleep Cycle Alarm
Subtitle
(
Characters:
30
of 30
)
Sleep Tracker,Sounds,Snore rec
Description
(
Characters:
3805
of 4000
)
- WHAT IS JUKUSUI?
JUKUSUI is a Japanese word that means “deep sleep” or “profound sleep.”
We will support to get good sleep for people all over the world through our app from Japan.
"JUKUSUI " is an alarm clock app, having functions of Sleep Cycle Alarm and snoring check.
This sleep app is the best sleep tracker in Japan.This app also has a lot of original Sleep sounds and Relax Melodies. These sleep sounds support you fall asleep and wake up.
====Major Updates====
In the version 5, our new features "Statistics (Summary)" and "Analysis" are available.
1: “Statistics”: Visualize your sleep data
The "Summary" screen has been added to Statistics screen and shows the monthly statistical data. You can compare your data with the last month and check your trends in sleep rhythm, hours of sleep and snoring, etc. You can also check how your sleep has changed when you take some action to improve your sleep.
2： "Analysis": Sleep Debt & Tips for improving your sleep
The "Analysis" Screen shows analytical results, focusing on "Sleep Debt" based on the past 30 days of your sleep and provides you with a few general tips. We hope you will use this screen as a clue to help you know if you are not getting enough sleep and to improve your sleep.
For more details of our new features, check our official website (JUKUSUI.COM) below.
Our official website: https://jukusui.com
====Features====
JUKUSUI is a multi-functional alarm clock designed to support and improve your sleep. For people who have trouble falling asleep or waking up refreshed, it has a lot of amazing functions to improve their sleep habits.
◆Lull Sounds
The healing lull sound will be played to induce peaceful sleep. This is very good for people who suffer from insomnia, who have trouble falling asleep or who need to relax more in sleeping.
◆Smart Alarm
This is available for those who always wake up feeling tired, who turn off the alarm only to fall back to sleep or who have trouble waking up in the morning due to hypotension. This monitors body movements using accelerometer in your smartphone and activates the alarm when you're in light sleep.
◆Sleep Report
If you use this app every day, you can get your own report analyzing your sleep in various aspects. This report detects your sleep cycle and provide you with the tips to sleep better.
◆Cloud Service
This is the service to keep all of your Sleep Log on the dedicated server safely.
When you change your device, you can transfer the data from your old device to the new one. This is a free service.
◆Connect JUKUSUI to Health app
You can connect JUKUSUI to iOS Health app. By turning ON the connection and log your sleep by JUKUSUI, your bedtime and wake up time are automatically updated to the Health app.
◆Others
・Wake-up task provides strong support for your awakening.
・Fade-In in the alarm sound wakes you up gently.
===="JUKUSUI Premium" Subscriptions ====
●By purchasing the subscription, all Premium features are available for free and all in-app ads are hidden.
●The subscription fee will be charged to your Apple ID.
●Use the free trial (one per Apple ID).
●The subscription fee will be charged within 24 hours before the free trial ends. To avoid charges, cancel the subscription at least 24 hours before the free trial ends.
●The monthly/annual subscription fee will be charged within 24 hours before the current subscription expires. You can cancel automatic renewal at least 24 hours before the expiration date.
●The subscription fee is non-refundable even if there is time remaining until the subscription's expiration.
●To cancel automatic renewal, go to Apple ID settings.
====Terms of Service & Privacy Policy====
Terms of Service : https://jukusui.com/en/terms
Privacy Policy : https://jukusui.com/en/privacy
====Support====
jukusui@c2inc.co.jp}
Read more
Other
Additional Information
| Rating: | |
| Voted: | 23.47K |
| App Store Link: | |
| Website: | |
| Email: | - |
| Privacy Policy: | |
| Categories: | Health & Fitness |
| Size: | 118MB |
| iAP: | 0.99 - 0.99 $ |
| App Age: | 11 years 7 months |
| Release Date: | May 01, 2014 |
| Last Update: | Nov 28, 2025 |
| Version: | 5.3.19 |
Version history
5.3.19
Nov 28, 2025
MInor fix.
5.3.18
Nov 17, 2025
Minor fix.