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zZZ Downloads & RevenuezZZ - Sleep Tracker · App Store

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Updated 7 Nov 2026 · rankings refresh through the day

Developer子龙 郭
CategoryHealth & Fitness
PriceFree
Released
Rating★ 5.0 (8)
Version1.1.4
Age rating12+
First seen by us 24 Oct 2026
View on the App Store ↗

zZZ - Sleep Tracker update history & changes

Last change · 4 events since 4 Mar 2024Full timeline ↓
🆕First spotted by AppInsider🆕Its developer released another app: ZestCam - Live in film zest
Full timeline · 3 events in the last 12 months
  2. 🆕
    zZZ - Sleep Tracker first spotted by AppInsider
    China (found via developer)
  4. 🆕
    zZZ - Sleep Tracker: its developer released another app: ZestCam - Live in film zest
  6. 🆕
    zZZ - Sleep Tracker released on the App Store

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

Rating
5.0 ★
8 ratings
Measured

zZZ - Sleep Tracker on the App Store

App details

App ID
6476821635
Publisher
子龙 郭
On the store since
Mar 2024
2 years on the store
Minimum OS
iOS 17.0+
iPhone XS and later
Devices
iPhone · iPad · Watch
Universal purchase
Content rating
12+
1 content note below
Languages
3
EN ZH ZH
Size
43 MB
Also listed in
Utilities
Content notesInfrequent/Mild Medical/Treatment Information