Comparison

Cognitive Shuffle vs Sleep Tracker

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

Head to head
About

Cognitive Shuffle

Features
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Can't fall asleep? Your mind won't stop racing? Drift uses the science-backed Cognitive Shuffle method to help you fall asleep faster โ€” no meditation, no breathing exercises, just words. How it works: Simply tap Start, close your eyes, and listen. Drift whispers random, unconnected words to your mind โ€” breaking the cycle of anxious thoughts and guiding your brain into sleep. Based on research by cognitive scientist Dr. Luc Beaudoin, the Cognitive Shuffle technique mimics the natural thought patterns of sleep onset, helping your brain transition from wakefulness to rest. โ—† Zero setup โ€” open and sleep โ—† 8 languages โ€” English, Spanish, Portuguese, German, Russian, Chinese, Arabic, Turkish โ—† Alphabet mode โ€” engage your mind gently โ—† Adjustable word speed โ€” 4 to 15 seconds โ—† Auto sleep timer โ€” 15, 30, or 60 minutes โ—† Fades out automatically when timer ends

About

Sleep Tracker

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Sleep Tracker - SLOX helps you monitor and improve your sleep habits with ease! FEATURES: โ€ข Start Sleep Timer โ€” One-tap sleep tracking with a beautiful moon animation โ€ข Add Records โ€” Manually log your bedtime, wake time, and sleep quality โ€ข Sleep History โ€” View all your past sleep records at a glance โ€ข Weekly & Monthly Statistics โ€” Track your average, best, and worst sleep hours โ€ข Sleep Quality Rating โ€” Rate your sleep quality with emoji-based feedback โ€ข Sleep Duration Calculator โ€” Automatically calculates total sleep hours โ€ข Dark Theme โ€” Easy on your eyes at bedtime โ€ข 15 Languages Supported โ€” English, Korean, Japanese, Chinese, Spanish, French, German, Portuguese, Italian, Russian, Arabic, Hindi, Thai, Vietnamese, Indonesian Build better sleep habits and wake up refreshed every day! Made by SLOX

Screenshots

Cognitive Shuffle3 screens

Verdict

The call

The clearest difference is price: Sleep Tracker at Free against Cognitive Shuffle's $1.99. Sleep Tracker also leads on iOS requirement (13.0 vs 15.0). Cognitive Shuffle's advantage is device support. On in-app purchases there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Sleep Tracker is free to download; Cognitive Shuffle costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard3 real differences ยท 3 level
Cognitive Shuffle versus Sleep Tracker: the parameters behind the verdict, then further details
ParameterCognitive ShuffleSleep Tracker
Price$1.99Free โ€” better
Update frequencyEvery 8 daysโ€”
AdsNoโ€”
In-app purchasesNoNo
DevicesiPhone, iPad, iPod โ€” betterโ€”
Requires iOS15.013.0 โ€” better
Further details โ€” not scored
Size8 MB23 MB
Age rating4+4+
DeveloperHuseyin Levent YasarSEOKWON YANG

In-app purchases

None

Cognitive Shuffle

No in-app purchases

None

Sleep Tracker

No in-app purchases

Questions

Is Cognitive Shuffle free?
Cognitive Shuffle costs $1.99, with no in-app purchases.
Is Sleep Tracker free?
Sleep Tracker is free to download, with no in-app purchases.

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