Comparison

SleepSpace vs Perfectly Snug Controller

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

Head to head
About

SleepSpace

This app helps you fall asleep faster, sleep more deeply, and wake up refreshed with adaptive sounds, smart alarms, and personalized sleep tracking. It functions as a complete sleep system, integrating with your phone, wearables, or smart bedroom devices to strengthen natural sleep rhythms.

Highlights
  • Adaptive sounds for falling asleep
  • Smart alarm for refreshed waking
  • Personalized sleep tracking
  • Integration with wearables and smart devices
  • AI-powered sleep assistant
  • Privacy-first design
Features
Read full description

Sleep tracking tells you what happened. SleepSpace helps you change what happens tonight. Fall asleep with adaptive sound, support deeper sleep through the night, wake during a lighter sleep phase, and understand your recovery with personalized sleep insights. Designed by sleep scientist Dr. Dan Gartenberg, SleepSpace brings together your phone, wearables, and guided sleep programs into one complete sleep system. Built on peer-reviewed research and more than $4M in NIH-funded sleep science. Featured by TED, NPR, CNN, The NYTimes, TIME, Reuters, Human Upgrade, Ben Greenfield Life, Sleep Review, & more. FALL ASLEEP FASTER Wind down with relaxing sounds, guided breathing, meditations, and gentle biofeedback. SleepSpace helps your body transition into sleep with calming bedtime routines. SLEEP DEEPER Use adaptive sound masking and overnight sleep support to reduce disruptions and promote a more stable night. Track sleep stages, snoring, awakenings, recovery, and sleep quality with clear insights. Choose sounds for your goals, including meditations, white noise, nature sounds, dream support, and sound patterns designed to support deeper, more restorative sleep. WAKE UP REFRESHED Wake during a lighter sleep phase with a smart alarm designed to reduce morning brain fog. Use smart sound or Apple Watch vibration to wake gently without disturbing your partner. Start the day with a clearer view of your recovery, alertness, and next best steps. TRACK SLEEP YOUR WAY SleepSpace works with: • Your phone on the nightstand or mattress • Apple Watch sleep tracking informed by peer-reviewed research • Popular wearables such as Oura and WHOOP • SleepSpace Charger and connected sleep devices • A clinically inspired sleep diary based on the consensus sleep diary Your data is unified into one clear sleep, recovery, and alertness view. PERSONALIZED SLEEP PROGRAMS Build a nightly Sleep Journey with sounds, wake windows, and routines tailored to your goals. Follow structured sleep programs inspired by evidence-based behavioral sleep techniques, including cognitive behavioral therapy for insomnia. DAILY ALERTNESS AND GUIDANCE See how your sleep affects daytime energy, focus, and recovery. Get simple daily tasks to support better sleep habits over time. AI-POWERED SLEEP SUPPORT Dr. Snooze™ is your built-in AI sleep assistant, offering tips based on your sleep patterns. When you need extra support, you can also connect with a human coach. PRIVACY-FIRST DESIGN SleepSpace works offline and in airplane mode. Sound is analyzed as decibel levels and is not recorded unless you explicitly enable recording. Your sleep data stays private and secure. SleepSpace is built on HIPAA-compliant backend infrastructure with safeguards for health data, including encryption, access controls, audit logging, and secure data handling practices. IMPORTANT INFORMATION SleepSpace is designed for general wellness and sleep support. It is not intended to diagnose, treat, cure, or prevent any disease or medical condition. Consult a qualified healthcare professional for medical concerns. SleepSpace syncs with Apple Health to measure sleep and sleep-related health data. Support messages are voluntarily shared through Intercom. SUBSCRIPTION PRICING & TERMS SleepSpace includes a 7-day free trial. After the free trial, a subscription is required to continue using premium features. Payment will be charged to your Apple ID account at confirmation of purchase. Your subscription automatically renews unless canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours before the end of the current period. You can manage or cancel your subscription in your App Store account settings. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription, where applicable. Terms: https://sleepspace.com/sleepspace-terms-of-use/ Privacy: https://sleepspace.com/privacy-policies/

About

Perfectly Snug Controller

Control your Smart Topper to regulate bed temperature for personalized comfort. Set ideal temperatures, schedules, and heating preferences for a better night's sleep. Requires a Smart Topper device to function.

Highlights
  • Setup and connect Smart Topper to WiFi
  • Control ideal sleep temperature
  • Set automatic scheduling
  • Independent control for each bed side
  • Start and stop topper operation
  • Foot heating and quiet mode settings
Read full description

Use this app to set up and control your Perfectly Snug Smart Topper. This app requires a Smart Topper to function. Are you not sleeping well? Are you usually too hot when you sleep? Are you too cold? Do you fight over blankets, thermostats with your spouse? The Smart Topper goes on top of your existing mattress and actively regulates the temperature of your bed. You can set your desired temperature for each side of the bed and the Smart Topper monitors your bed’s temperature and adjusts cooling or heating to keep you and your spouse comfortable all night. No more tossing around looking for a cold spot or balling up to stay warm in the middle of the night. To learn more about the Smart Topper visit our website: www.perfectlysnug.com. This App transforms your phone into a powerful remote control for your Smart Topper and is required to get the most out of your topper. Features include: - Setup and connect your Smart Topper to your home WiFi - Setup and control your ideal temperature for a restful and comfortable sleep - Set your preferences for automatic scheduling, foot heating and quiet mode - Start and stop topper operation - Set independent control parameters for each side of the bed. The Perfectly Snug Smart Topper exists to help you sleep better. Rest well!

Screenshots

SleepSpace4 screens
Perfectly Snug Controller4 screens

Verdict

The call

The clearest difference is rating: SleepSpace at 4.2 against Perfectly Snug Controller's 1.6. SleepSpace also leads on review sentiment (57% vs 21%) and update cadence (weekly vs every 3 months). Perfectly Snug Controller's advantage is in-app purchases (none vs 14) and iOS requirement (12.0 vs 18.0). On price, ads 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

Both are free to download. SleepSpace sells 13 in-app purchases, starting at $6.99 per month. Perfectly Snug Controller asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

SleepSpace holds the better App Store score, 4.2 against 1.6. That said, the two scores are not equally well evidenced: SleepSpace has 859 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 57% of SleepSpace's written reviews are positive against 21% of Perfectly Snug Controller's.

UpkeepUpdate frequency

SleepSpace ships an update weekly, Perfectly Snug Controller every 3 months. The most recent releases landed on October 18, 2026 and October 4, 2026 respectively.

Scorecard7 real differences · 3 level
SleepSpace versus Perfectly Snug Controller: the parameters behind the verdict, then further details
ParameterSleepSpacePerfectly Snug Controller
PriceFreeFree
Rating4.2 (859 ratings) — better1.6 (14 ratings)
Positive reviews56.6% of reviews — better21.4% of reviews
Number of ratings859 — better14
Update frequencyWeekly — betterEvery 3 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS18.012.0 — better
Further details — not scored
Size168 MB37 MB
Age rating4+4+
DeveloperProactive Life IncPerfectly Snug Incorporated

Customer experience

SleepSpace

All ratings859 ratings
Positive78.8%
Neutral7.1%
Negative14.1%
Written reviews212 reviews
Positive56.6%
Neutral8.0%
Negative35.4%

Perfectly Snug Controller

All ratings14 ratings
Positive14.3%
Neutral0.0%
Negative85.7%
Written reviews14 reviews
Positive21.4%
Neutral0.0%
Negative78.6%

Bugs and requests

SleepSpace

Reported bugs

4 issues
  • Frequent crashes
  • Unreliable sleep data
  • Connectivity issues with Apple Watch
  • Notifications not working as expected

Requested features

5 requests
  • Fade in/out for sounds
  • Offline mode support
  • More customization options
  • Better integration with other wearables
  • Improved sleep analysis and reporting

Perfectly Snug Controller

Not enough reviews yet to summarise bugs or requests.

In-app purchases

13 purchases

SleepSpace

Subscriptions10
  • Premium Monthly Subscription1 Month trial$6.991 Month
  • Legacy Dave Asprey Monthly1 Month trial$6.991 Month
  • Premium Monthly Subscription1 Year trial$12.991 Month
Show 7 more
  • Premium Monthly Subscription1 Month trial$12.991 Month
  • Premium Monthly Subscription7 Days trial$12.991 Month
  • Premium Yearly Subscription1 Year trial2 variants$39.991 Year
  • Legacy Dave Asprey Yearly1 Month trial$49.991 Year
  • Premium Yearly Subscription7 Days trial$79.001 Year
  • Premium Yearly Subscription1 Month trial$79.001 Year
  • Premium Yearly Subscription1 Year trial$79.001 Year
One-time3
  • Sage Rader Inceptions$19.99
  • Lifetime SleepSpace Premium$199.99
  • Dave Asprey Lifetime$199.99
None

Perfectly Snug Controller

No in-app purchases

Questions

Is SleepSpace free?
SleepSpace is free to download, with in-app purchases available.
Is Perfectly Snug Controller free?
Perfectly Snug Controller is free to download, with no in-app purchases.
Which has better reviews, SleepSpace or Perfectly Snug Controller?
SleepSpace is rated higher. SleepSpace averages 4.2 out of 5 from 859 ratings, while Perfectly Snug Controller averages 1.6 from 14 ratings.
Do SleepSpace or Perfectly Snug Controller have ads?
Neither SleepSpace nor Perfectly Snug Controller shows ads.
Which is updated more often, SleepSpace or Perfectly Snug Controller?
SleepSpace ships an update weekly, and Perfectly Snug Controller every 3 months. Most recently, SleepSpace was updated on October 18, 2026 and Perfectly Snug Controller on October 4, 2026.

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