Comparison

Sleep application vs HealthFace

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

Head to head
About

Sleep application

This app uses binaural beat technology and flicker noise to help users fall asleep faster and improve concentration and memory. It offers various sound settings to find what works best for individual needs.

Highlights
  • Binaural beat technology
  • Flicker Noise sound
  • Sleep induction
  • Improved concentration
  • Enhanced memory
  • Customizable sound settings
Features
Read full description

--- The Strongest Sleep Induction App --- You can sleep quickly just by listening when you go to bed. We ranked No. 1 in Japan (iPhone and iPad). ●Thank you very much! #1 Top paid app for the iPhone in Japan #1 Top paid app for the iPad in Japan #9 App Store BEST OF 2012 in Japan #3 in 2013 #4 in 2014 #3 in 2015 #13 in 2016 #8 in 2017 ===================================== Reviews from users *The following contents are translations of reviews posted by Japanese users. ===================================== ■ This is the one! Version 3.5 Sept. 15, 2012 My level of concentration has increased! I have better memory too! Now I can sleep well at night! ■ Great!! In studying or at work, I always use this app. I am hooked on it! ■ I can't live without this app! No need to count sheep with this app! I'm out like a light. ■ My insomnia is gone!!! I guess everyone has different results but this app has sure worked to cure my insomnia! ■ Someone with insomnia I had a slight case of insomnia but now all that is gone after listening to this app. ■Explanation of this App 1. When a person hears two different frequencies in their ears, the difference of those frequencies will appear in the brain as one frequency. In this app that principle is used and your brain will be in a state as when you are sleeping. 2. The sound of "Flicker Noise" is known to help balance the autonomic nervous system as it enters the hypothalamus of the brain, which helps relieve pressure on the sympathetic nervous system. Through a combination of the two above methods you will be lead directly and indirectly into a deep sleep. ※ The sound of "Flicker Noise" is the sound parameters of the background environmental sound. How to Use 1. Start the app. 2. Choose your favorite background music. Also, for more effective sounds through the change in settings. Results (sleep / relaxation/ concentration, memory) - The effects of concentrating The mode is for increasing brain activity and raising your level of concentration before doing sports. - The effects of memory This mode will take you a deeper level than the relaxation mode. This mode is recommended for studying or raising your level of memory. ※ The sound which can help each person is slightly different so we suggest that you try different settings to find the sound that best works for you. ※There is no guarantee that the effect will work on everyone. ○This application uses a binaural beat technology, which has been scientifically proven effective. However this method uses only 3db, so based on how sensitive the user is, there may be a gap in benefits received. Even if you did not get results your first time, keep using it every day. You should slowly see better results. ○How to use this application effectively ・Close your eyes, relax and assume a position laying down. ・This application needs to use many low and high frequencies so use high quality headphones not cheap 100 yen ones. ・If your ears start to hurt, please turn down the volume until until the music is barely audible. ○ Our company has an app "3D Eyesight Recovery" to help restore eyesight using stereogram. Stereogram uses the eyesocket muscles resulting in effectively stretching your eyes and it is said that when used before sleeping this app helps you to sleep more soundly. Why not try this wonderful app? ※ You need a special way to see Stereogram, so a little practice is required. The instructions for this are in the app. ※Binaural Beat is a technology which controls the brain waves. For anyone with one of the following problems below, please consult your Physician. ・ For Those with Epilepsy ・ For Those with Heart Problems (especially those with pacemakers) Do not us this app when driving or doing other dangerous work.

About

HealthFace

Easily record and display your health data from the Health app on your iPhone and Apple Watch. Customize data types, create custom equations, and visualize progress towards goals with watch face complications.

Highlights
  • Record data via iPhone or Apple Watch app
  • Display Health data in widgets
  • Show Health data on Apple Watch clock face
  • Customize data types for quick input
  • Supports all Health app data types
  • Create custom equations with mixed units
  • Display goals and progress towards them
Features
Read full description

Put any Health stat on your Apple Watch face, Home Screen and Lock Screen, and log new readings in a couple of taps. HealthFace turns your Health app data into watch complications and widgets, so the numbers you care about are always a glance away: steps, weight, blood glucose, blood pressure, water, caffeine, sleep and more than 100 other data types. ON YOUR WATCH FACE * Show any Health data on your Apple Watch face with complications * Display multiple data types on the same watch face * Show your progress towards a goal (e.g. 10,000 steps) * Tap a complication to record a new reading from your wrist * Preview your complications live on your iPhone before saving them to your watch ON YOUR IPHONE AND IPAD * Widgets for your Home Screen and Lock Screen * Record data from the iPhone, iPad or Apple Watch app in a couple of taps * Choose the data types you log most, so they're always close at hand * Create custom equations with mixed units, like a daily protein target from your body weight * Hundreds of high-quality icons to choose from * A native iPad layout designed for the bigger screen FOR EXAMPLE * Record your weight after stepping on the scales in the morning * Log your blood glucose or insulin if you're diabetic * Record your blood pressure * Track your caffeine, water or sugar, or any other dietary category YOUR HEALTH DATA STAYS YOURS HealthFace needs access to your Health data to work, but that data stays on your devices and is never sent anywhere. Read our privacy policy at https://healthface.app/privacy.html. Questions, suggestions or feedback? Email support@healthface.app.

Screenshots

Sleep application3 screens
HealthFace4 screens

Verdict

The call

The clearest difference is review sentiment: Sleep application at 100% against HealthFace's 48%. Sleep application also leads on rating (5.0 vs 4.5) and price ($0.99 vs $1.99). HealthFace's advantage is update cadence (every 8 days vs every 2 months) and ratings volume (549 vs 4). On ads, in-app purchases 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

Sleep application costs $0.99 and HealthFace $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Sleep application holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: HealthFace has 549 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 100% of Sleep application's written reviews are positive against 48% of HealthFace's.

UpkeepUpdate frequency

Sleep application ships an update every 2 months, HealthFace every 8 days. Both last shipped on October 26, 2026.

Scorecard8 real differences · 3 level
Sleep application versus HealthFace: the parameters behind the verdict, then further details
ParameterSleep applicationHealthFace
Price$0.99 — better$1.99
Rating5.0 (4 ratings) — better4.5 (549 ratings)
Positive reviews100.0% of reviews — better48.3% of reviews
Number of ratings4549 — better
Update frequencyEvery 2 monthsEvery 8 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
Best chart rank—#42 — better
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS12.0 — better17.6
Further details — not scored
Size61 MB59 MB
Age rating4+4+
Developerkoikoi.bizCrunchy Bagel

Customer experience

Sleep application

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews34 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

HealthFace

All ratings549 ratings
Positive86.9%
Neutral3.6%
Negative9.5%
Written reviews267 reviews
Positive48.3%
Neutral11.6%
Negative40.1%

Bugs and requests

Sleep application

Not enough reviews yet to summarise bugs or requests.

HealthFace

Reported bugs

3 issues
  • Complications not displaying data
  • App crashing on certain actions
  • Syncing issues between iPhone and Apple Watch

Requested features

4 requests
  • Add support for more health data types
  • Improve complication update frequency
  • Allow customization of complication sizes and layouts
  • Integrate with Siri watch face

In-app purchases

None

Sleep application

No in-app purchases

None

HealthFace

No in-app purchases

Questions

Is Sleep application free?
Sleep application costs $0.99, with no in-app purchases.
Is HealthFace free?
HealthFace costs $1.99, with no in-app purchases.
Which has better reviews, Sleep application or HealthFace?
Sleep application is rated higher. Sleep application averages 5.0 out of 5 from 4 ratings, while HealthFace averages 4.5 from 549 ratings.
Do Sleep application or HealthFace have ads?
Neither Sleep application nor HealthFace shows ads.
Which is updated more often, Sleep application or HealthFace?
Sleep application ships an update every 2 months, and HealthFace every 8 days. Most recently, Sleep application was updated on October 26, 2026 and HealthFace on October 26, 2026.

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