Comparison

Spatial Sleep vs ILYEO

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

Head to head
About

Spatial Sleep

This science-backed app uses acoustic resonance harmonies, paired with a wearable headband, to help users fall asleep faster, stay asleep longer, and wake up refreshed. It offers drug-free, non-invasive sleep support and includes post-sleep breathwork and brain teaser games.

Highlights
  • Acoustic resonance harmonies for sleep
  • Wearable headband integration
  • Clinically proven sleep improvement
  • Drug-free and non-invasive
  • Personalized harmonies via machine learning
  • Post-sleep breathwork exercises
  • Brain teaser games for alertness
Features
Read full description

Sleep better, wake sharper — naturally. Discover Spatial Sleep: the science-backed app clinically proven to help you fall asleep faster, stay asleep longer, and wake up feeling refreshed. Pair with our innovative wearable headband to play gentle acoustic resonance harmonies that gently guide your brain into deep, restorative sleep. Created by a dream team of Stanford University Medical School physicians and technology industry leaders, Spatial Sleep is safe to use, drug-free, and non-invasive. Our innovation utilizes machine learning technology to compose acoustic resonance harmonies tailored to your unique physiology. In clinical studies, participants who used the band nightly over 4 weeks saw the strongest results with insomnia severity dropping by up to 50%. After a great night’s sleep with Spatial, start your day right with breathwork exercises designed exclusively for us by Yoga and Ayurveda experts, or play a brain teaser game to boost alertness and focus. No meds. No side effects. Just better nights and brighter mornings. Download Spatial Sleep and experience sleep — reimagined. Please consult your doctor before making any medical decisions. Any feedback? Contact us at hello@spatialsleep.com Additional information including the privacy policy, biometric notice and terms of use can be found at https://spatialsleep.com

About

ILYEO

This app guides users through red-light therapy sessions using a connected device. It offers personalized treatment plans, placement instructions, and pain tracking to help manage muscle and joint discomfort.

Highlights
  • Personalized treatment protocols
  • Guided placement instructions
  • Session calendar and reminders
  • Pain tracking and progress logging
  • Bluetooth device connectivity
Features
Read full description

Meet the ILYEO body app, your companion for getting the most out of your ILYEO bodyPrecision Red-Light Therapy device. ILYEO body is an FDA-registered Class II, 510(k)-exempt medical device indicated for the temporary relief of minor muscle and joint pain, arthritis pain and stiffness, and muscle spasms,and for the temporary increase of local blood circulation. The ILYEO body app connects to your device over Bluetooth to guide every session, so you always know exactly where to place the pad, how long to treat, and how your relief is building over time. WHAT YOU CAN DO IN THE APP Personalized Treatment Protocols Set up guided protocols tailored to where you carry pain,whether it is your neck, shoulder, elbow, wrist and hand, lower back, hip, knee, ankle and foot,upper and mid back, or abdomen. Guided Placement Instructions Step-by-step, in-app instructions help you position the flexible silicone pad correctly against the treatment area for a consistent, effective session every time. Session Calendar and Reminders Keep your routine on track with a built-in session calendar and gentle reminders, so relief stays consistent rather than occasional. Pain Tracking Log how you are feeling before and after sessions to see your own patterns and progress over time, right alongside your treatment history. ABOUT YOUR ILYEO BODY DEVICE ILYEO body pairs precision red light with thermal energy and gentle vibration in a single 10-minute session: 1.Precision Red Light: 662 nm ± 5 nm wavelength, delivered through 12 high-poweredLEDs directly to the treatment area, supporting cellular energy production. 2.Thermal Energy: soothing heat up to 43°C that complements the light therapy experience. 3.Gentle Vibration: adds comfort throughout each session. Independently lab-tested output delivers up to 28 J/cm² of red-light energy in one 10-minute session, with average irradiance up to 47 mW/cm². ILYEO body is third-party tested to IEC medical electrical and photobiological safety standards, so what you get is real, measured, clinic-grade output, not a diluted broad-panel approach. The device itself is cordless, rechargeable, and hands-free, with a medical-grade silicone pad that is free of latex, phthalates, and BPA, and an adjustable 57 cm strap so it stays in place while you go about your day, at your desk, in the car, or making dinner. Download the free ILYEO body app to unlock guided sessions, track your relief, and get more from your device with every use. This app is designed for use with the ILYEO body device, sold separately, and intended for use by adults 18 years of age and older.

Screenshots

Spatial Sleep4 screens
ILYEO4 screens

Verdict

The call

The clearest difference is review sentiment: ILYEO at 100% against Spatial Sleep's 0%. ILYEO also leads on update cadence (every 3 days vs every 3 months) and rating (5.0 vs 4.6). Spatial Sleep's advantage is ratings volume (11 vs 1). On price, ads, in-app purchases and monetization model 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

ILYEO holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Spatial Sleep has 11 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Spatial Sleep's written reviews are positive against 100% of ILYEO's.

UpkeepUpdate frequency

Spatial Sleep ships an update every 3 months, ILYEO every 3 days. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

Scorecard5 real differences · 5 level
Spatial Sleep versus ILYEO: the parameters behind the verdict, then further details
ParameterSpatial SleepILYEO
PriceFreeFree
Rating4.6 (11 ratings)5.0 (1 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings11 — better1
Update frequencyEvery 3 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.6 — better
Further details — not scored
Size131 MB50 MB
Age rating4+17+
DeveloperSound Health Systems, Inc.Joylux Inc.

Customer experience

Spatial Sleep

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

ILYEO

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Spatial Sleep

No in-app purchases

None

ILYEO

No in-app purchases

Questions

Is Spatial Sleep free?
Spatial Sleep is free to download, with no in-app purchases.
Is ILYEO free?
ILYEO is free to download, with no in-app purchases.
Which has better reviews, Spatial Sleep or ILYEO?
ILYEO is rated higher. Spatial Sleep averages 4.6 out of 5 from 11 ratings, while ILYEO averages 5.0 from 1 ratings.
Do Spatial Sleep or ILYEO have ads?
Neither Spatial Sleep nor ILYEO shows ads.
Which is updated more often, Spatial Sleep or ILYEO?
Spatial Sleep ships an update every 3 months, and ILYEO every 3 days. Most recently, Spatial Sleep was updated on October 2, 2026 and ILYEO on October 3, 2026.

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