Comparison

喵睡眠 vs KnowSelf

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

Head to head
About

喵睡眠

This app offers a variety of natural sounds like rain and thunderstorms to help you relax, improve focus, and sleep better. It provides a peaceful auditory experience to soothe your mind after a busy day.

Highlights
  • Natural white noise sounds
  • Rain and thunderstorm audio
  • Improved focus for work/study
  • Relaxation and stress relief
  • Sleep aid
  • Calming ambient sounds
Features
Read full description

喵睡眠,一款帮助睡眠,提高专注力,减轻负担放松心灵的助眠应用。 初闻蝉鸣,夜听蛙叫, 犹如儿时夏夜池塘。 提高工作、自习效率,享受悠闲的时光 世界公认最佳放松雷雨声 树林自然雨声睡眠音乐 下雪的天气,舒服的房间,温暖的火焰,安心学习和睡眠 来这里,让大自然的声音抚慰你忙碌疲惫的你吧。 1、大自然的白噪音是首选,完全没有危害及副作用。 2、人为制造的白噪音不得每日使用,会产生一定依赖性。 3、在使用人为制造的白噪音时,尽量使声源离自己、离婴幼儿距离远一些,并且调小音量 如果想要改善一下睡眠的质量或是调解、舒缓心情的话,请聆听一段白噪音,感受一份不一样的宁静。

About

KnowSelf

Discover your unique strengths and enhance self-awareness with a professional psychological assessment tool. This app utilizes a refined question bank based on established psychological theories to help you understand your personality type.

Highlights
  • Professional psychological assessment
  • Refined 6-option question bank
  • Enhance self-awareness
  • Discover unique strengths
  • Based on MBTI theory
  • Career and love match insights
Features
Read full description

Get to know your personality and make sense of your everyday moods. KnowSelf brings together personality and well-being assessments, a sticker mood journal, and simple ways to unwind. Discover different sides of yourself and take time to notice how you feel. Discover more about yourself Explore MBTI, the Big Five, career interests, relationships, and more. Learn about your preferences, how you think, and how you relate to others, with clear reports that help you understand your results. Use emotional well-being assessments to check in with how you've been feeling lately. Your self-portrait, ready to share Bring your personality, interests, and thinking styles together in a personal profile card. Save it, share it with friends, and discover what you have in common and what makes you different. Capture your mood with stickers Choose a sticker that fits how you feel, add a few words, or keep a photo of the moment. From joy and calm to feeling hurt or worn out, make room for the subtler shades of your emotions. Revisit moments on your calendar and explore weekly, monthly, and yearly mood patterns. Find the words and take a breather Not sure how you feel? Use the Emotion finder to discover words that feel right. Slow down with a one-minute breathing exercise, or settle into white noise and scenic soundscapes when you want to focus, rest, or unwind. A little inspiration, every day Discover thoughtful quotes paired with beautiful works of art. Save or share a card that speaks to you, keep your favorites, and revisit past cards. Choose whether to show daily inspiration on your home screen. Assessments are for self-reflection and information. They do not replace a professional medical diagnosis. KnowSelf Pro Choose an annual auto-renewable subscription or a one-time lifetime purchase to unlock Pro features and remove ads. Payment is charged to your Apple Account at confirmation. Annual subscriptions renew automatically unless canceled at least 24 hours before the current period ends. Manage or cancel your subscription in your App Store account settings. Eligible purchases from earlier versions can be restored in the app. Privacy Policy: https://psychang.com/knowself/privacy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

喵睡眠4 screens
KnowSelf4 screens

Verdict

The call

The clearest difference is review sentiment: 喵睡眠 at 100% against KnowSelf's 58%. 喵睡眠 also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price, update cadence, in-app purchases and monetization model 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. 喵睡眠 sells 1 one-off in-app purchase and KnowSelf sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

喵睡眠 ships an update every 3 weeks, KnowSelf monthly. The most recent releases landed on October 8, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
喵睡眠 versus KnowSelf: the parameters behind the verdict, then further details
Parameter喵睡眠KnowSelf
PriceFreeFree
Rating—4.9 (37 ratings) — better
Positive reviews100.0% of reviews — better57.9% of reviews
Number of ratings—37 — better
Update frequencyEvery 3 weeks — betterMonthly
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.0 — better15.0
Further details — not scored
Size44 MB87 MB
Age rating4+12+
Developer智平 刘Baofeng County Jixu Education Information Consulting Co., Ltd.

Customer experience

喵睡眠

Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

KnowSelf

All ratings37 ratings
Positive97.3%
Neutral2.7%
Negative0.0%
Written reviews19 reviews
Positive57.9%
Neutral5.3%
Negative36.8%

In-app purchases

1 purchases

喵睡眠

One-time1
  • Lifetime VIP$0.99
1 purchases

KnowSelf

One-time1
  • MBTI Report Pro Version$1.99

Questions

Is 喵睡眠 free?
喵睡眠 is free to download, with in-app purchases available.
Is KnowSelf free?
KnowSelf is free to download, with in-app purchases available.
Do 喵睡眠 or KnowSelf have ads?
KnowSelf shows ads; 喵睡眠 does not.
Which is updated more often, 喵睡眠 or KnowSelf?
喵睡眠 ships an update every 3 weeks, and KnowSelf monthly. Most recently, 喵睡眠 was updated on October 8, 2026 and KnowSelf on October 30, 2026.

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