Comparison

수면지킴이(Sleep Keeper) vs MOJO KING

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

Head to head
About

수면지킴이(Sleep Keeper)

Features
Read full description

폐쇄성 수면 무호흡증 개선을 위해 상기도 근기능운동 프로그램을 적용한 모바일 앱입니다. 상기도 근기능운동은 느슨해진 목안의 근육을 단련시켜 근육을 튼튼하게 만듦으로써 수면 시 뭔지는 기도를 잡아주는 역할을 하며 , 이는 코골이와 무호흡이 발생하는 것을 막아줍니다. 직접 자신의 모습을 보며 상기도 근기능운동을 따라할 수 있는 12주 운동 프로그램으로 구성되어 있으며, 자유게시판을 통해 수면 무호흡과 상기도 근기능운동 관련 정보들을 확인할 수 있으며, 최신소식에는 최근 질병 또는 치료와 관련된 이슈 및 정보를 알 수 있습니다.

About

MOJO KING

Features
Read full description

Track your hormones with Apple Watch This app helps you track your hormone-related condition using Apple Watch heart-rate and HRV data. See how your levels shift before and after workouts, work, meals, rest, or daily routines, and understand how your overall rhythm changes over time. Explore your daily, weekly, and monthly trends, and get a clearer sense of which habits work best for you. What you can do - Track your hormone condition Estimate and follow your hormone-related levels and daily condition from Apple Watch heart data. - See your condition at a glance View changes and trends through simple, easy-to-read charts. - Hormone reports Get reports that summarize your hormone trends and highlight how they change over time. - Compare before & after activities See how workouts, meals, rest, and other activities affect your levels and condition. - Fitness & workouts Get workout suggestions matched to your current condition, and log your training sessions. - Supplement suggestions Receive general supplement suggestions based on your trends, for your reference. - Automatic tracking with Apple Watch Your data is recorded automatically, so you can focus on living your day. - Track changes over time Compare today with yesterday, last week, or last month. Important notice This app is not a medical device and is not intended for medical use. All results are estimates provided for reference only. For any medical concerns, please consult a healthcare professional. Subscription Information This app offers an auto-renewable subscription. - Premium (Monthly): US$29.99 per month - Premium (Yearly): US$179.99 per year Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. You can manage or cancel your subscription in your Apple ID account settings. Requirements & Privacy - Apple Watch required - Uses HealthKit data with your permission - Your data is handled securely and privately Privacy Policy: https://ideas75577.tistory.com/1 Terms of Use: https://ideas75577.tistory.com/2/ Understand your hormone rhythm. Build better habits, one day at a time.

Screenshots

수면지킴이(Sleep Keeper)3 screens
MOJO KING4 screens

Verdict

The call

The clearest difference is in-app purchases: 수면지킴이(Sleep Keeper) at none against MOJO KING's 5. 수면지킴이(Sleep Keeper) also leads on iOS requirement (11.0 vs 15.0). MOJO KING's advantage is device support (4 vs 2). On price, update cadence and ads 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. MOJO KING sells 5 in-app purchases, starting at $4.99 per month. 수면지킴이(Sleep Keeper) asks for nothing beyond the download.

UpkeepUpdate frequency

수면지킴이(Sleep Keeper) ships an update fortnightly, MOJO KING every 8 days. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 3 level
수면지킴이(Sleep Keeper) versus MOJO KING: the parameters behind the verdict, then further details
Parameter수면지킴이(Sleep Keeper)MOJO KING
PriceFreeFree
Update frequencyFortnightlyEvery 8 days — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS11.0 — better15.0
Further details — not scored
Size142 MB86 MB
Age rating4+12+
DeveloperSwing2App Co. Ltd.6Letters

In-app purchases

None

수면지킴이(Sleep Keeper)

No in-app purchases

5 purchases

MOJO KING

Subscriptions4
  • MOJO KING Pro (Monthly)$4.991 Month
  • MOJO KING Premium (Monthly)$9.991 Month
  • MOJO KING Pro (Yearly)$39.991 Year
Show 1 more
  • MOJO KING Premium (Monthly)$69.991 Year
One-time1
  • MOJO KING Premium (Lifetime)$149.00

Questions

Is 수면지킴이(Sleep Keeper) free?
수면지킴이(Sleep Keeper) is free to download, with no in-app purchases.
Is MOJO KING free?
MOJO KING is free to download, with in-app purchases available.
Do 수면지킴이(Sleep Keeper) or MOJO KING have ads?
Neither 수면지킴이(Sleep Keeper) nor MOJO KING shows ads.
Which is updated more often, 수면지킴이(Sleep Keeper) or MOJO KING?
수면지킴이(Sleep Keeper) ships an update fortnightly, and MOJO KING every 8 days. Most recently, 수면지킴이(Sleep Keeper) was updated on November 7, 2026 and MOJO KING on October 30, 2026.

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