Comparison

SleepHack vs Lullabye

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

Head to head
About

SleepHack

This app uses adaptive binaural frequencies and an intelligent sleep engine to optimize your sleep cycles for deeper rest and improved performance. It offers performance-first sleep tracking and a smart alarm to wake you at the optimal moment.

Highlights
  • Adaptive binaural frequencies
  • Intelligent sleep engine
  • Performance-first sleep tracking
  • Smart alarm
  • Deep sleep enhancement modes
Features
Read full description

ADAPTIVE WHITE NOISE ENGINEERED FOR DEEPER SLEEP Sleep isn’t relaxation. Sleep is performance. SleepHack is built for people who want deeper sleep, sharper focus, and higher output — not just background noise. This isn’t another white noise app. This is adaptive sleep optimization. WHY SLEEPHACK? • Adaptive binaural frequencies that shift with your sleep • Engineered sound designed to push deeper rest • Performance-first sleep tracking • Built for high achievers, founders, athletes, and optimizers If you treat your body like hardware, your sleep needs better software. HOW IT WORKS • Intelligent Sleep Engine responds to your movement patterns • Adaptive audio evolves through the night • Designed to support Deep, Core, and REM cycles • Smart alarm that wakes you at the right moment You don’t just play sound. You run a sleep protocol. WHO IT’S FOR • People who wake up tired even after 8 hours • High performers who want a competitive edge • Anyone serious about recovery and mental clarity • Those who want more than “rain sounds” If you care about output, you should care about sleep architecture. FEATURES • Adaptive Binaural Audio • Deep Sleep Enhancement Modes • Smart Alarm • Minimal, performance-driven interface • Ongoing upgrades and sleep protocol refinements STOP GUESSING. START OPTIMIZING. Your sleep is either helping you win or holding you back. Hack it. If you choose to connect your sleep data from HealthKit, SleepHack can use that additional data to improve prediction accuracy as it learns your patterns. Your data is only used with explicit in-app consent, and you remain in control of what is shared. Terms of Service: https://sleephack.app/terms

About

Lullabye

Features
Read full description

Drift off to sleep with Lullabye — a beautifully simple ambient sound mixer. Mix and match calming sounds to create your perfect sleep environment. Layer rain, ocean waves, wind, fire, and more. Set a sleep timer and let Lullabye fade you into rest. Features: • Mix multiple ambient sounds simultaneously • Adjust individual volume levels • Sleep timer with gentle fade-out • Save your favorite sound mixes • Works in the background • No ads, no tracking, no accounts Lullabye is designed to do one thing perfectly — help you sleep better.

Screenshots

SleepHack4 screens
Lullabye4 screens

Verdict

The call

The clearest difference is in-app purchases: Lullabye at none against SleepHack's 8. Lullabye also leads on ads (none vs shown). SleepHack's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price 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. SleepHack sells 8 in-app purchases, starting at $4.99 per 7 days. Lullabye asks for nothing beyond the download.

Scorecard4 real differences · 6 level
SleepHack versus Lullabye: the parameters behind the verdict, then further details
ParameterSleepHackLullabye
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 6 days—
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better17.0
Further details — not scored
Size112 MB74 MB
Age rating12+4+
DeveloperSMB Studio LLCCloudApp IT, LLC

In-app purchases

8 purchases

SleepHack

Subscriptions7
  • Pro Weekly$4.997 Days
  • Pro Weekly$6.997 Days
  • Pro Monthly$9.991 Month
Show 4 more
  • Pro Annual$19.991 Year
  • Pro Annual3 Days trial$29.991 Year
  • Pro Annual3 Days trial$39.991 Year
  • Pro Annual$39.991 Year
One-time1
  • Lifetime AccessFree
None

Lullabye

No in-app purchases

Questions

Is SleepHack free?
SleepHack is free to download, with in-app purchases available.
Is Lullabye free?
Lullabye is free to download, with no in-app purchases.
Do SleepHack or Lullabye have ads?
SleepHack shows ads; Lullabye does not.

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