CalendarBook Downloads & RevenueCalendarBook · App Store
Not in any tracked top chart right now.
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
Full timeline · 3 events
- 🆕CalendarBook first spotted by AppInsiderJapan (found via developer)
- 📦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
- 🆕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
Utilities
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.1 ★
3.4k ratings
Measured
Ratings
3.4k
Measured
About CalendarBook
CalendarBook is a useful calendar app syncing with "Calendar".
Just start CalendarBook, It shows you all event of a month. Event's name instead of gray dots.
Features
・CalendarBook sync with "Calendar". If you use Calendar, you can use it's data in CalendarBook.
・CalendarBook can be sync with Mac, iPhone or iPad by iCloud.
Just start CalendarBook, It shows you all event of a month. Event's name instead of gray dots.
Features
・CalendarBook sync with "Calendar". If you use Calendar, you can use it's data in CalendarBook.
・CalendarBook can be sync with Mac, iPhone or iPad by iCloud.
Latest updates
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