Sleep Science HQ: alarm clock
Sleep Science HQ: alarm clock is made and published by Phase4 Mobile. AppBrain is an independent app data site and isn't affiliated with Phase4 Mobile. The app name, icon, screenshots and description belong to Phase4 Mobile and are shown as published on the App Store.
AppBrain's verdict
Established- Rating on App Store
- 4.50
- 96 ratings
- Last updated
- January 29, 2026
- Size
- 102.1 MB
It doesn't have enough ratings yet to judge what users think. Its best ranking is #25 in Top Paid, Medical in Belgium.
User feedback
Ratings and reviews on the App StoreComments on Sleep Science HQ: alarm clock for iOS
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Store listing
By Phase4 Mobile, from the App StoreDescription by Phase4 Mobile Written by the developer, not by AppBrain. Click to read.
Tired of being jarred awake? Wake up to over 750 high-quality natural sounds from around the world. Create your own perfect wake-up sequences of 6 different natural sounds. You could begin with soothing rain, progress to ocean waves and morning bird calls, and, if those don't work, be roused by Japanese drums and rolling church bells.
With over 750 sounds and fully programmable play times, you have virtually endless possibilities to customize your wake-up experience. You’ll start your day well-rested and full of energy.
Want to get 7, 8 or more hours of sleep every night? Sleep Science tracks your sleep each night and helps you achieve your personal sleep goal.
Want to understand your sleep over time? Sleep Science provides meaningful graphs over weeks, months and years so you can see how your sleep improves.
Want to learn what affects your sleep? Sleep Science lets you record notes about changes in bed-time routine, exercise, stress, and more. You can even put notes on your sleep graphs.
Not sure what wakes you up? Sleep Science records the loudest sound during the night so you can find out.
Do you forget your dreams? Sleep Science lets you record dreams during the night or when you wake up. You can review them weeks, months or years later.
From the creators of popular Rain Sounds HQ, White Noise HQ and Sleep Sounds HQ sleep sound apps, we’ve packed all this capability into a simple and beautiful app that works!
Sleep Science HQ features:
• Over 750 high-quality, natural wake-up sounds recorded on location around the world.
• Customizable wake-up sequences of up to 6 different sounds, with play time, strobe and vibration options.
• Graphs that show your sleep and wake activity during the night.
• Log and graphs of your actual sleep time vs your personal sleep goal.
• Daily notes for recording dreams and changes to daily and bedtime routines.
• Sleep graphs over weeks/months/years that show sleep statistics, trends and notes.
• Gentle wake up during light sleep, 0-30min before your alarm time.
• Captures the loudest sound during the night.
• 22 sound categories, including: Rain, Ocean, Rivers & Streams, Crickets, Wind Chimes, Lakes, Wind, Water Fountains, Fire, Birds, Animals, Cars, Trains & Planes, Public Places, Household, Bells, Industrial, Soundscapes, Drums and more...
• Modern easy-to-use interface, optimized for nighttime and wake up.
Download Sleep Science HQ now.
Safety and technology
Found in the app by AppBrain- Price
- $4.99
- App size
- 102.1 MB
- Content rating
- Everyone
Technologies used by Sleep Science HQ: alarm clock
Releases
Updates seen on the App Store- Version
- 3.5
- Launched
- May 2015
No changelog data
Alternatives
Similar apps and more from Phase4 MobileAlternatives to Sleep Science HQ: alarm clock
More from Phase4 Mobile
Rankings
App Store top charts- Highest rank
- #25
- Chart
- Top Paid
- Medical
- Country
- Belgium
App Store Rankings for Sleep Science HQ: alarm clock
Top rankings
| Rank | Country | Category | List |
|---|---|---|---|
| 46 | Japan | Medical | Top Paid |
| 25 | Belgium | Medical | Top Paid |
| 54 | France | Medical | Top Paid |
| 27 | Russia | Medical | Top Paid |
| 32 | Netherlands | Medical | Top Paid |
| 48 | Sweden | Medical | Top Paid |
| 52 | Italy | Medical | Top Paid |
| 53 | Spain | Medical | Top Paid |
| 75 | Switzerland | Medical | Top Paid |
| 83 | Brazil | Medical | Top Paid |
Ranking history in Japan
About the app and developer
About Sleep Science HQ: alarm clock
Sleep Science HQ: alarm clock is a medical app developed by Phase4 Mobile.
User Ratings
Sleep Science HQ: alarm clock is rated 4.50 out of 5 stars. The rating is based on 96 ratings.
App Information
Sleep Science HQ: alarm clock costs $4.99. The app size is 102.05 MB. The latest version available is 3.5. The last update was on January 29, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since May 2015.
Developer information for Phase4 Mobile
Address:
Frequently asked questions about Sleep Science HQ: alarm clock
Is Sleep Science HQ: alarm clock free?
No. Sleep Science HQ: alarm clock costs $4.99 on the App Store.
Is Sleep Science HQ: alarm clock still available?
Yes. Sleep Science HQ: alarm clock is on the App Store, and the last update we saw was on January 29, 2026.
How large is Sleep Science HQ: alarm clock?
Sleep Science HQ: alarm clock is 102.05 MB.
Is Sleep Science HQ: alarm clock suitable for children?
App Store rates the content of Sleep Science HQ: alarm clock as suitable for everyone.
How do people rate Sleep Science HQ: alarm clock?
Sleep Science HQ: alarm clock scores 4.50 out of 5 stars, from 96 ratings on the App Store.
Who made Sleep Science HQ: alarm clock?
Sleep Science HQ: alarm clock was developed by Phase4 Mobile. It is listed in the medical category on the App Store.
What are the best alternatives to Sleep Science HQ: alarm clock?
People looking at Sleep Science HQ: alarm clock also look at these medical apps: Sleep Time+ Cycle Alarm Clock, Ambient Noise: for Sleep/Study, SANE Well, Sound Noise - Calm Machine, Sound Oasis Nature Sounds Pro.