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App Store Apps > Utilities > Dayji
Dayji icon

Dayji

1.1.3
Daichi Kato
4.13
8 reviews
Free

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Screenshots by Daichi Kato, from the the App Store listing
View on the App Store

AppBrain's verdict

Rating on App Store
4.13
8 ratings
Last updated
January 19, 2026
Size
2.18 MB

It doesn't have enough ratings yet to judge what users think.

Official page on the App Store

User feedback

Ratings and reviews on the App Store

Comments on Dayji for iOS

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Store listing

By Daichi Kato, from the App Store
Description by Daichi Kato Written by the developer, not by AppBrain. Click to read.
A simple diary app that allows you to view entries on a monthly basis. It supports synchronization with iCloud and allows you to export your diary entries in CSV format.

■ Two selectable display styles: List View and Monthly View
List View displays entries in a list format, showing only the dates on which entries were written. Monthly View displays all dates in advance. You can choose the display method that suits you best.

■ Ability to write summary memos for each month
This feature allows you to easily reflect on what you have been doing. It also helps you remember what happened in a particular month when looking back.

■ Favorites feature
You can easily access important diary entries and quickly retrieve the necessary information.

■ Photo gallery for each day's captured photos
You can easily browse photos taken on specific dates, enhancing your memory of past events. Even when writing diary entries at a later date, it will be easier to recall the events of that day. Additionally, you can add photos without manual effort, making diary writing stress-free.

■ Visual division by week for easy viewing
Similar to how calendars are divided into weeks, this app also provides visual divisions for each week.

■ Easily identify days without diary entries to prevent forgetting
The app displays the number of diary entries for each month, encouraging you to write a diary entry every day. It helps maintain the habit of writing a diary.

■ Write diary entries in plain text
You can write diary entries in plain text, freeing yourself from the hassle of formatting text.

■ Character counter to track the number of words
A character counter allows you to quickly see how much you have written, helping you keep track of your progress.

■ Supports backup in CSV format
You can back up your diary entries and easily store the data externally.

■ Compatible with Mac for editing and viewing on any device
Since it is also compatible with Mac, you can edit your diary entries on any device that suits your convenience.

■ Customizable theme colors
You can change the theme colors to your liking, selecting colors that match your preferences.

■ Adjustable font size
You can change the font size according to your preference. If the text is too small or too large to read comfortably, you can adjust it to a size that suits you.

■ Backup and synchronization across devices using iCloud
You can back up your diary entries using iCloud, eliminating the worry of data loss. It also allows sharing and editing of entries across different devices.

■ Lock the app with a password
You can lock the app with a password, ensuring the security of your diary.

Safety and technology

Found in the app by AppBrain
Price
Free
App size
2.18 MB
Content rating
Everyone

Technologies used by Dayji

Releases

Updates seen on the App Store
Version
1.1.3
Launched
June 2023

No changelog data

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Rankings

App Store top charts

App Store Rankings for Dayji

This app is not ranked

About the app and developer

About Dayji

Dayji is an utilities app developed by Daichi Kato.

User Ratings

Dayji is rated 4.13 out of 5 stars. The rating is based on 8 ratings.

App Information

Dayji is freely available from the App Store. The app size is 2.18 MB. The latest version available is 1.1.3. The last update was on January 19, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on the App Store since June 2023.

Dayji is made and published by Daichi Kato. AppBrain is an independent app data site and isn't affiliated with Daichi Kato. The app name, icon, screenshots and description belong to Daichi Kato and are shown as published on the App Store.

Developer information for Daichi Kato

Daichi Kato

Address:

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