Version history
Sleep Theory - Sleep Sounds
42
ASO score
Text
54/100
Reviews
0/100
Graphic
60/100
Other
0/100
App Rating
4.2
Votes
1.18K
App Age
8y 11m
Last Update
Jul 20, 2021
iAP
$2.49 - 32.99
Compare with Category Top Apps
|
Metrics
|
Current App
|
Category Top Average
|
Difference
|
|---|---|---|---|
|
Rating
|
0
|
4.68
|
|
|
Number of Ratings (Voted)
|
0
|
821.2K
|
|
|
App Age
|
8y 11m
|
8y 9m
|
+2%
|
|
In-app Purchases Price
|
$18
|
$52
|
-66
%
|
|
Update Frequency
|
1608d
|
26d
|
+6 196%
|
|
Title Length
|
27
|
26
|
+4%
|
|
Subtitle Length
|
30
|
27
|
+11%
|
|
Description Length
|
2 794
|
3 282
|
-15%
|
|
Number of Screenshots
|
936
|
1420
|
-34
%
|
|
Size
|
0MB
|
350MB
|
|
Category Ranking in United States
7 days
Last 7 days
Last 30 days
Last 90 days
Last 180 days
Last year
| Top | Dec 06, 2025 | Dec 13, 2025 |
|---|---|---|
|
No results were found!
|
||
| Top | Dec 06, 2025 | Dec 13, 2025 |
|---|---|---|
|
No results were found!
|
||
| Top | Dec 06, 2025 | Dec 13, 2025 |
|---|---|---|
|
No results were found!
|
||
| Top | Dec 06, 2025 | Dec 13, 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:
27
of 30
)
Sleep Theory - Sleep Sounds
Subtitle
(
Characters:
30
of 30
)
Stories, White Noise & Tracker
Description
(
Characters:
2794
of 4000
)
Sleep better, relax & fall asleep fast with Sleep Theory, a healthy sleep app. Track sleep using your phone from bedtime to morning and start your day feeling energized with an intelligent alarm clock and sleep tracker. Listen to soothing sleep sounds, relax melodies & white noise to help you fall asleep fast, relieve insomnia and sleep better!
Key Features:
All Kinds Of Sleep Sounds
√White Noise - fan noise, rain sounds and all nature sounds or soundscapes…
√Relax Melodies - piano, classical music, post rock…
√Different Sleep Stories at bedtime to fall asleep fast every day.
√Guided meditation to calm anxiety and into deep sleep.
Sleep Tracker & Sleep Recorder
√Track Your Sleep Cycles - An average sleep is a combination of 90-minute sleep cycles which include the doze stage, light sleep, deep sleep and rapid eye movement(rem stage).
√Get Your Sleep Score - Generate sleep report every day to record your sleep schedule, sleep notes, wake up mood, sleep quality, deep and light sleep, etc. Analyze sleep state and quality throughout the night, manage sleep based on daily score.
√Smart Alarm Clock - Automatically wakes you up while you're in your light sleep phase.
√Long-Term Sleep Analysis &sleep tracker trends
√Develop A Healthy Sleep Schedule - Sleep Theory generates your exclusive sleep schedule after analyzing your sleep time and waking up time.
√Smart Reminder For Bedtime - Remind you to sleep on time. Avoid the difficulty of going to bed or forgetting the sleep time due to overwork, entertainment and other activities.
More Features:
√Beautiful widgets
Show your sleep data every day
Facebook: SleepTheory
Email: support@noxsleeptheory.com
————————————————————
Subscription Notice:
-Premium Rights: Sleep music, Bedtime exercises, alarm songs and so on;
-Subscription Period: 1 month (continuous monthly premium), 1 year (continuous yearly premium);
-Price: According to the price displayed in the Ap. For example, $2.99 per month for continuous monthly premium and $32.99 per year for continuous yearly premium;
-Payment: After the user confirms the purchase and payment, it will be credited to the iTunes account；
-Cancel Renewal：If you need to cancel the renewal, please manually turn off the auto-renewable function in the iTunes/Apple ID settings, 24 hours before the current subscription period expires；
-Renew：The Apple iTunes account will be deducted within 24 hours before the expiration. After the deduction is successful, the subscription period will be extended by one cycle.";
-Terms of use：https://sleep.freemymemory.com/userAgreement/en
-Privacy Policy：http:/sleep.freemymemory.com/privacyAgreement/en
——————————————————————————
Tips:
This app supports the Apple Health app. After authorization, you can sync your sleep data to the Health app.}
Read more
Other
Additional Information
😢
Deleted from App Store
| Rating: | |
| Voted: | 1.18K |
| App Store Link: | |
| Website: | - |
| Email: | - |
| Privacy Policy: | - |
| Categories: | Health & Fitness, Lifestyle |
| Size: | - |
| iAP: | 2.49 - 32.99 $ |
| App Age: | 8 years 11 months |
| Release Date: | Jan 11, 2017 |
| Last Update: | Jul 20, 2021 |
| Version: | 3.15.0 |
Version history
3.15.0
Jul 20, 2021
Fix known issues and improve experience.
3.14.0
Apr 30, 2021
1. A multi-tone version has been added to some sleep stories and guides.
2. New Sounds：Singing Bowl - Stress Reliever，Bottle Cap Noise，Water Drop Sound，Press Ball，Nepali Singing Bowl，Scissors and Wooden Comb，Pomegranate Peeling，Healing
3. Fix known problems and improve experience.
