Comparison

D vs Sleepillow

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

Head to head
About

D

Features
Read full description

動態記錄您每天的情緒 您是否會受到情緒波動的困擾呢?D-MOMO是一個記錄您每天當下情緒狀態的智能應用程式,在接下來的一周內,我們會提示您回答關於您情緒和感受的問題,每天4次。告訴我們您的當下狀態,更好地管理情緒吧! 瞭解您的睡眠情況 D-MOMO不只可以記錄您每天的情緒狀態,還能幫助您更好地瞭解您的睡眠情況,篩查可能存在的失眠問題,及時給與專業的建議與貼士! 獲取個性化報告 一周的記錄完成後,您將獲得一份總結了您情緒和睡眠狀態的個性化報告。如有需要,您可以將報告給您的醫生看看,獲取專業的醫學建議和指導。要記住,你不是一個人哦!

About

Sleepillow

Features
Read full description

In order to promote sleep quality and mental health of the teenagers, Levelmind@JC cooperates with Hong Kong Playground Association to promote Sleepillow. Through this newly developed app, you can learn more about the sleep hygiene; use various means to reduce stress; record your sleeping time, and listen to emotion-calming audio. Sleepillow features: - Mindfulnesspractice audio - White noice player - Self-custermise playlist for sleeping - Sleepillow can be used in conjunction with Apple Health to synchronize and record your sleep in the sleep diary We will connect with HealthKit's sleep data. If you choose 'Allow,' we will use your sleep data in the app to display your sleep patterns. If you choose 'Don't Allow,' you won't be able to use this feature within the app.

Screenshots

D4 screens
Sleepillow4 screens

Verdict

The call

The clearest difference is update cadence: Sleepillow at every 8 months against D's every 27 months. Sleepillow also leads on iOS requirement (11.0 vs 14.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

D ships an update every 27 months, Sleepillow every 8 months. Both last shipped on November 7, 2026.

Scorecard2 real differences · 4 level
D versus Sleepillow: the parameters behind the verdict, then further details
ParameterDSleepillow
PriceFreeFree
Update frequencyEvery 27 monthsEvery 8 months — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS14.011.0 — better
Further details — not scored
Size14 MB135 MB
Age rating4+4+
DeveloperYun Kwok WingHong Kong Playground Association

In-app purchases

None

D

No in-app purchases

None

Sleepillow

No in-app purchases

Questions

Is D free?
D is free to download, with no in-app purchases.
Is Sleepillow free?
Sleepillow is free to download, with no in-app purchases.
Do D or Sleepillow have ads?
Neither D nor Sleepillow shows ads.
Which is updated more often, D or Sleepillow?
D ships an update every 27 months, and Sleepillow every 8 months. Most recently, D was updated on November 7, 2026 and Sleepillow on November 7, 2026.

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