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CalendarBook Downloads & RevenueCalendarBook · App Store

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Updated 7 Nov 2026 · rankings refresh through the day

DeveloperSHIBUYA Masanori
CategoryProductivity
PriceFree
Released
Rating★ 4.1 (3.4k)
Version1.18.1
Age rating4+
First seen by us 23 Oct 2026

CalendarBook update history & changes

Last change · 3 events since 17 Dec 2014Full timeline ↓
Full timeline · 3 events
  1. 🆕
    CalendarBook first spotted by AppInsider
    Japan (found via developer)
  2. 📦
    CalendarBook version 1.18.1
    - iOSのアップデートに伴う互換性の改善を行いました
  3. 🆕
    CalendarBook 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
4.1 ★
3.4k ratings
Measured

CalendarBook on the App Store

App details

App ID
919892359
Publisher
MASANORI SHIBUYA
On the store since
Dec 2014
11 years on the store
Minimum OS
iOS 13.0+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
2
EN JA
Size
12 MB
Also listed in
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