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Concentration Timer Downloads & RevenueConcentration Timer · App Store

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Updated 9 Nov 2026 · rankings refresh through the day

DeveloperTakafumi AMANO
CategoryBusiness
PriceFree
Released
Rating★ 4.3 (61)
Version1.2.11
Age rating4+
First seen by us 23 Oct 2026
View on the App Store ↗

Concentration Timer update history & changes

Last change · 6 events since 4 Apr 2018Full timeline ↓
📦Updated to version 1.2.11📦Updated to version 1.2.9🆕First spotted by AppInsider🆕Released on the App Store
Full timeline · 6 events
  2. 📦
    Concentration Timer updated to version 1.2.11
    - Fied bugs.
  4. 📦
    Concentration Timer updated to version 1.2.9
    - Supported iOS 27.
  5. 📦
    Concentration Timer: first update in 346 days
  7. 🆕
    Concentration Timer first spotted by AppInsider
    Japan (found via developer)
  9. 📦
    Concentration Timer version 1.2.8
    - Supported iOS 26.
  11. 🆕
    Concentration Timer 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
4.3 ★
61 ratings
Measured

Concentration Timer on the App Store

App details

App ID
1344040001
Publisher
Takafumi AMANO
On the store since
Apr 2018
8 years on the store
Minimum OS
iOS 15.0+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
2
EN JA
Size
7 MB
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