# CalendarBook

> Calendar app displaying event names, syncing with device calendar and iCloud. (iPhone/iPad app by SHIBUYA Masanori.)

- Source: https://appshunter.io/ios/app/calendarbook/id919892359 (this page in markdown: same URL + `.md`)
- Developer: [SHIBUYA Masanori](https://appshunter.io/developer/339986228)
- Category: Productivity, Utilities
- Price: Free
- Rating: 4.12/5 from 3,409 App Store ratings · 20 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 11 MB
- Languages: American English, Japanese
- Released: 2014-12-17
- Data updated: 2026-09-04
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/calendarbook/id919892359/reviews.md

## What is 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.

## Key features

- Displays event names, not dots
- Syncs with device calendar
- iCloud synchronization
- Cross-device compatibility (Mac, iPhone, iPad)
- Monthly event overview

## Recent user reviews (10 of 20)

All indexed reviews: https://appshunter.io/ios/app/calendarbook/id919892359/reviews.md

### 3/5 — スケジュール管理

*2026-07-02*

先々の予定が分かりやすく  計画実行に役立って居ます  無くてはならないデス。

### 1/5 — コマーシャル不要

*2026-01-20*

コマーシャルはないでしょう

### 5/5 — 使いやすい

*2026-01-07*

分かりやすい。使いやすい。最近、Googleマップに行けなくなったのは残念だけど。

### 3/5 — Google マップが開かなくなった

*2025-12-19*

とても使いやすいのですが、iOS18.5で予定に入力した住所から、直接Googleマップが開かなくなりました。
改善お願いしたいです。

### 5/5 — 使いやすい！

*2025-11-21*

直感的に迷うことなくスケジュール入力ができて良い！
Googleスケジュールより使いやすかった！

### 1/5 — 残念

*2025-10-30*

書き込んだ予定が全部消えた

### 3/5 — 通知してくれない

*2025-03-30*

使いやすいのですが通知設定している予定がよく通知されません。スケジュールには入れているし通知有りになっているのに何度も予定を失念して困っています。
あと、通知時間をもっと細かく決められるようにして欲しいです。
前日の○時とかで設定できたらもっと使いやすくなります。

### 4/5 — あれ？！

*2025-01-07*

ウィジェットが無い！

### 1/5 — 少し気になる

*2024-12-16*

土曜日、日曜、祝日は色分けしてあるとみやすい

### 1/5 — 使いにくい

*2024-06-24*

ダメだと思う

## Frequently asked questions about CalendarBook

### Does CalendarBook have ads?

Yes, CalendarBook contains advertisements. As a free application, ads are displayed to support its development and maintenance.

### How does CalendarBook sync with my existing calendar?

CalendarBook syncs directly with your device's native "Calendar" app. This means any events you add or modify in either application will be reflected in the other.

### Can I use CalendarBook on my Mac, iPhone, and iPad?

Yes, CalendarBook supports synchronization across Mac, iPhone, and iPad via iCloud. This ensures your calendar data is consistent across all your Apple devices.

### What is the age rating for CalendarBook?

CalendarBook has an age rating of 4+. This indicates it is suitable for users of all ages, with no mature content.

### How often is CalendarBook updated?

The latest version, 1.18.1, was released on January 4, 2026. While the last update date is in the future, indicating potential for future updates, the app has been available since December 17, 2014.

### What devices does CalendarBook support?

CalendarBook is compatible with iPhone, iPad, and iPod touch devices. It is designed for the iOS ecosystem.

### What do users like about CalendarBook?

Users appreciate that CalendarBook displays event names directly on the monthly view instead of generic dots, providing a clearer and more informative overview of their schedule. Its seamless syncing capabilities are also a significant benefit.

### Is CalendarBook free to download?

Yes, CalendarBook is free to download and use. It is supported by advertisements.

## Version history (last 5 releases)

### 1.18.1 — 2026-01-04

- iOSのアップデートに伴う互換性の改善を行いました

### 1.18 — 2024-12-24

-  2025−2030年の六曜データを追加しました

### 1.17 — 2024-11-02

- iOS 18に対応
- 終日イベントを表示する部分の配置がずれる問題を修正しました

### 1.16 — 2022-02-19

- iOS 15に対応しました。
- iOS 13以降が必要です。

### 1.15 — 2021-05-05

- Added support for App Tracking Transparency.

## More apps by SHIBUYA Masanori

- [ExpenseBook](https://appshunter.io/ios/app/expensebook/id339986225)
- [CalendarBook Pro](https://appshunter.io/ios/app/calendarbook-pro/id715765163)
- [CalculationBook](https://appshunter.io/ios/app/calculationbook/id874401572)
- [CalculationBook Pro](https://appshunter.io/ios/app/calculationbook-pro/id875152413)

All apps by SHIBUYA Masanori: https://appshunter.io/developer/339986228

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-04.*