Comparison

Spatial Sleep vs moonbird breathing coach

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%. 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

moonbird breathing coach

This app guides your breathing using a connected device to help you relax, focus, and sleep better. It offers personalized rhythms based on your body's response and provides insights into your health metrics. Experience a multi-sensory approach to stress reduction and improved well-being.

Highlights
  • Personalized breathing rhythm discovery
  • Tactile device guidance
  • Immersive audio experiences
  • Real-time biofeedback
  • Health insights and trend tracking
  • Wearable device integration
Features
Read full description

Breathe better. Sleep deeper. Stress less. Moonbird is your personal breathing coach. Open the app, follow the guidance, and let your breath settle your body and mind. Everything you need to build a real breathing practice is in the app, whether or not you have the moonbird device. This app is not a medical device and does not diagnose, treat, or prevent any condition. Why most breathing exercises don't stick Most apps give everyone the same pace. But your ideal breathing rhythm is your own, and it shifts with your stress, your sleep, and the time of day. Breathe at the wrong rate and it feels like nothing happened, so people give up. The real fix is finding the right pace, and that's what moonbird does for you. Personalized to you Moonbird shapes each session around your goal, whether that's calm, focus, or sleep. Aura, your AI breathing coach, interacts with you and adapts in real time, with spoken guidance and ambient soundscapes matched to your mood, so each session helps you fully switch off. What you get in the app A full library of breathing exercises with spoken guidance. Static and custom exercises you can shape yourself. Aura, your AI breathing coach, with personalized coaching around your preferences and goals on premium. Wearable connections for Oura and Apple Health. See how your breathing lines up with your sleep, stress, and recovery data over time. Do more with the moonbird device Have the moonbird device, or thinking about it? Hold it in your hand and it sets your breathing rhythm through gentle movement. Breathe in as it expands, out as it contracts. Close your eyes and follow along, no screen needed. The device also measures your body's response, adding real-time biofeedback (heart rate, HRV, coherence) and, on premium, personalized pace discovery that finds your optimal breathing rate from your physiology. Built on real practice Tens of thousands of people breathe with moonbird, together completing more than 2.1 million sessions. What's included The essentials are free: the breathing library, exercise customization, wearable connections, and trend insights. Moonbird premium unlocks Aura, your AI breathing coach, and personalized coaching for relaxation, focus, and sleep. With the moonbird device, premium also unlocks biometric pace discovery and advanced session insights. Start with a 7-day free premium trial. No credit card required. Moonbird. Breathing that knows you. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Spatial Sleep4 screens
moonbird breathing coach4 screens

Verdict

The call

The clearest difference is rating: Spatial Sleep at 4.6 against moonbird breathing coach's 2.2. Spatial Sleep also leads on in-app purchases (none vs 2). moonbird breathing coach's advantage is update cadence (weekly vs every 5 months) and iOS requirement (15.1 vs 17.6). On price, review sentiment, ratings volume and ads 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. moonbird breathing coach sells 2 in-app purchases, starting at $9.99 per month. Spatial Sleep asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Spatial Sleep holds the better App Store score, 4.6 against 2.2. Both are backed by a comparable volume of ratings — 11 and 5 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

UpkeepUpdate frequency

Spatial Sleep ships an update every 5 months, moonbird breathing coach weekly. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

Scorecard5 real differences · 5 level
Spatial Sleep versus moonbird breathing coach: the parameters behind the verdict, then further details
ParameterSpatial Sleepmoonbird breathing coach
PriceFreeFree
Rating4.6 (11 ratings) — better2.2 (5 ratings)
Positive reviews0.0% of reviews0.0% of reviews
Number of ratings11 — better5
Update frequencyEvery 5 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.615.1 — better
Further details — not scored
Size181 MB116 MB
Age rating4+4+
DeveloperSound Health Systems, Inc.Moonbird

Customer experience

Spatial Sleep

All ratings11 ratings
Positive90.9%
Neutral0.0%
Negative9.1%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

moonbird breathing coach

All ratings4 ratings
Positive25.0%
Neutral0.0%
Negative75.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Spatial Sleep

No in-app purchases

2 purchases

moonbird breathing coach

Subscriptions2
  • Monthly7 Days trial$9.991 Month
  • Yearly7 Days trial$49.991 Year

Questions

Is Spatial Sleep free?
Spatial Sleep is free to download, with no in-app purchases.
Is moonbird breathing coach free?
moonbird breathing coach is free to download, with in-app purchases available.
Which has better reviews, Spatial Sleep or moonbird breathing coach?
Spatial Sleep is rated higher. Spatial Sleep averages 4.6 out of 5 from 11 ratings, while moonbird breathing coach averages 2.2 from 5 ratings.
Do Spatial Sleep or moonbird breathing coach have ads?
Neither Spatial Sleep nor moonbird breathing coach shows ads.
Which is updated more often, Spatial Sleep or moonbird breathing coach?
Spatial Sleep ships an update every 5 months, and moonbird breathing coach weekly. Most recently, Spatial Sleep was updated on November 7, 2026 and moonbird breathing coach on November 5, 2026.

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