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Sleep Meister - 睡眠サイクルアラームLite

Sleep Meister Lite is #54 in Health & Fitness Free in Japan and charting in 1 of 30 countries we track.

Updated 9 Nov 2026 · rankings refresh through the day

DeveloperNaoya Araki
CategoryHealth & Fitness
PriceFree
Released
Rating★ 4.5 (222k)
Version1.25.7
Age rating4+
First seen by us 25 Sep 2026
Installs (est.)10M+ worldwide

Sleep Meister Lite update history & changes

Last change · 10 events since 19 Feb 2013Full timeline ↓
Full timeline · 10 events
  1. 📦
    Sleep Meister Lite updated to version 1.25.7
    不具合の修正を行いました
  2. 📦
    Sleep Meister Lite updated to version 1.25.4
    軽微な修正を行いました
  3. ✏️
    Sleep Meister Lite: description updated
    · JP
  4. 📦
    Sleep Meister Lite: first update in 193 days
  5. 📦
    Sleep Meister Lite updated to version 1.25.3
    Optimized for iOS 27.
    Bug fixes and improvements.
  6. 🆕
    Sleep Meister Lite first spotted by AppInsider
    #56 in Top Free · Health & Fitness · Japan
  7. 📦
    Sleep Meister Lite version 1.24.4
    Minor fixes and improvements.
  8. 🆕
    Sleep Meister Lite released on the App Store

Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.

Monthly users
all platforms
Rating
4.5 ★
222k ratings
Measured
Best rank now
#54
Health & Fitness Free
Measured
Exact figures, their ranges and how sure we are, free with an account.Sign up freeSign in

Sleep Meister Lite on the App Store

App details

App ID
599456380
Publisher
Naoya Araki
On the store since
Feb 2013
13 years on the store
Minimum OS
iOS 26.0+
iPhone 11 and later
Devices
iPhone · iPad
Content rating
4+
Languages
2
EN JA
Size
20 MB
Also listed in
Lifestyle