Comparison

ぐっすり~ニャ/睡眠記録 vs Sleep Game

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

Head to head
About

ぐっすり~ニャ/睡眠記録

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“Gussuri-nya” is a sleep log app. which delightfully supports your sleep improvement featuring “Leonyardo Fuminci,” a brand character for Japanese OTC sleep-aid brand Drewell. This app. has many functions as below: Track your sleep condition: the smartphone’s acceleration sensor catches your movement during sleep and creates a graph so that you can check your sleep condition Trigger for improvement: the app. also records the number of hours of daily sleep on a calendar so you can understand how your sleep condition affects how you feel the next morning Collect virtual Leonyardo Fuminci items: depending on the number of times you use this app., you can earn virtual items for Fuminci’s comfortable sleep Save the image: Comfortable sleep coordination picture of Fuminci’s This app. was developed under the supervision of Dr. Yoshihiko Koga, head professor of department of Neuropsychiatry, School of Medicine, Kyorin University. Applicable for: iPhone 6s / iPhone SE / iPhone 7 / iPhone 8 / iPhone X / iPhone XS / iPhone XR / iPhone 11/ iPhone 11 Pro Applicable for iOS9 or later versions Only available in Japanese 【Precautions for use】 -Please make sure to have it connected to power source when using. -Please have the liquid crystal display side of iPhone face down and place it close to your pillow as much as possible. -If you lock your iPhone, your sleep will not be recorded. Please do not lock your iPhone when using. -Please note that when you press the home button when recording your sleep, recording will stop. Graph will be generated only to the point when it stopped. By reactivating the application, you can record how you feel when you woke up. - Sleep recording will end when you receive a call and pick up the phone to talk, when you receive a mail and activate the mail function, or when you receive an alert and activate applications other than“Gussuri-nya”.

About

Sleep Game

This app gamifies sleep improvement by tracking your rest and rewarding you with adorable sheep adventures. It offers digital detox features, natural sleep sounds, and detailed analysis to help you build healthier sleep habits.

Highlights
  • Easy sleep tracking
  • Digital detox "Good Night Shield"
  • Natural sleep sounds
  • Social sheep collection
  • Detailed sleep analysis
  • Nap mode
Features
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A New Sensation in Gaming: Sleep is Fun with GoodSleeperz! GoodSleeperz is an innovative app designed to make improving your sleep habits enjoyable. Every time you sleep, adorable sheep embark on an adventure to the "End of the Night." Your sleep becomes the very progression of the game. ◆ Key Features 1.Easy Sleep Tracking Just press the "Sleep" button at bedtime and the "Wake Up" button when you wake up. Supports short naps with a dedicated Nap Mode. 2.Digital Detox with the "Good Night Shield" Limits smartphone use during sleep, supporting high-quality rest. Helps you fall asleep faster and stay asleep until morning. 3.Relaxing Natural Sounds for Better Sleep Drift off to soothing sounds like rain or ocean waves. Includes an automatic shut-off feature to conserve battery. 4.Social Features for Continued Enjoyment Collect new sheep by interacting with other users. Encourage each other’s sleep improvement with the "Good Sleep Button". 5.Detailed Sleep Analysis Visualize your sleep patterns with weekly reports. Personalized advice to help you improve your sleep quality. ◆ Recommended For - Those who want to regulate their sleep rhythm. - Those who want to develop healthy sleep habits while having fun. - Those who have trouble falling asleep or getting quality sleep. - Those who want to reduce late-night smartphone use. ◆ Continuously Evolving App Regular updates bring new features and characters, making your sleep life even more fulfilling. Good sleep is the foundation of a healthy and satisfying life. Join GoodSleeperz and enjoy the journey towards your ideal sleep habits. Download now and start your adventure to the "End of the Night"! -- Your Feedback Fuels Our Evolution! If you enjoy the app, please consider leaving a high rating and review. Your feedback is the driving force behind further improvements.

Screenshots

ぐっすり~ニャ/睡眠記録4 screens
Sleep Game4 screens

Verdict

The call

The clearest difference is in-app purchases: ぐっすり~ニャ/睡眠記録 at none against Sleep Game's 2. ぐっすり~ニャ/睡眠記録 also leads on ads (none vs shown) and review sentiment (100% vs 67%). On price, update cadence 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. Sleep Game sells 2 in-app purchases, starting at $2.99 per month. ぐっすり~ニャ/睡眠記録 asks for nothing beyond the download.

UpkeepUpdate frequency

ぐっすり~ニャ/睡眠記録 ships an update every 2 months, Sleep Game every 5 weeks. The most recent releases landed on October 21, 2026 and October 18, 2026 respectively.

Scorecard4 real differences · 6 level
ぐっすり~ニャ/睡眠記録 versus Sleep Game: the parameters behind the verdict, then further details
Parameterぐっすり~ニャ/睡眠記録Sleep Game
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews — better66.7% of reviews
Number of ratings1 — better—
Update frequencyEvery 2 monthsEvery 5 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPod — betteriPhone
Requires iOS9.0 — better16.0
Further details — not scored
Size35 MB123 MB
Age rating4+4+
Developerエスエス製薬株式会社Hiroaki Abe

Customer experience

ぐっすり~ニャ/睡眠記録

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Sleep Game

Written reviews21 reviews
Positive66.7%
Neutral14.3%
Negative19.0%

In-app purchases

None

ぐっすり~ニャ/睡眠記録

No in-app purchases

2 purchases

Sleep Game

Subscriptions2
  • Premium(monthly)$2.991 Month
  • Premium(Annual)7 Days trial$29.991 Year

Questions

Is ぐっすり~ニャ/睡眠記録 free?
ぐっすり~ニャ/睡眠記録 is free to download, with no in-app purchases.
Is Sleep Game free?
Sleep Game is free to download, with in-app purchases available.
Do ぐっすり~ニャ/睡眠記録 or Sleep Game have ads?
Sleep Game shows ads; ぐっすり~ニャ/睡眠記録 does not.
Which is updated more often, ぐっすり~ニャ/睡眠記録 or Sleep Game?
ぐっすり~ニャ/睡眠記録 ships an update every 2 months, and Sleep Game every 5 weeks. Most recently, ぐっすり~ニャ/睡眠記録 was updated on October 21, 2026 and Sleep Game on October 18, 2026.

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