日記くん Android

日記くん

"Nikki-kun" is a life log management app that allows you to easily record and organize your daily events and feelings, and use the power of AI to help you understand yourself more deeply.

Overview

Features & Capabilities

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■ Easily Record Your Diary
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There are two ways to record your entries.
"Event Record" organizes and records events according to the 5W1H (When, Where, Who, What, Why, How). You can enter multiple locations and people, and freely add tags and notes.
By linking with Google Calendar, you can simplify the tedious process of creating records and prevent missed entries. (Details below)
"One-Line Record" is a one-line diary where you can quickly jot down thoughts.
In addition to keyboard input, it also supports Japanese voice input. Simply speak, and it will be converted to text in real time, making it easy to record even on busy days. You can also attach photos, and the date and time of the photo will be automatically linked to your record.

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■ AI Analyzes Your Diary
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With Diary-kun's AI chat function, you can converse with an AI that has learned from your diary. Ask questions about your records, such as "Where do you often go these days?" or "How were you feeling last month?", and the AI ​​will answer based on the contents of your diary.
You can discover behavioral patterns and emotional changes you weren't aware of through conversations with the AI.
The AI's personality can also be switched to "blunt mode." By setting custom instructions, you can adjust the tone and style of the conversation to your liking. Furthermore, it also features a "proactive suggestion" function where the AI ​​spontaneously offers advice.

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■ Comprehensive Insights and Automatic Reports
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Weekly and monthly reports are automatically generated based on your diary. Furthermore, it offers the following in-depth analytical features:
• Emotional Radar Chart — Visualizes emotions on 8 axes: joy, trust, fear, surprise, sadness, disgust, anger, and expectation.
• Psychological Tendency Analysis (MBTI) — Determines your 16 types based on a 5-axis analysis of Jungian psychology.
• Matching with Past Lifestyles — AI introduces philosophers and thinkers with similar values ​​based on your diary. Related books are also introduced.
• Value Strata — Visualizes your values ​​in 5 levels of depth, from everyday interests to fundamental values.
• Record Progression Graph — Displays the number of records by day, week, and month in a bar graph to encourage users to record.
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■ Organize and Search Records Freely
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Recorded diaries are automatically organized into the following categories. :
• People — People who appear in your diary
• Places — Places you've visited
• Work Log — Content you've experienced, such as movies, books, and anime
• To-Do List — Future plans and wish lists
You can also create your own categories with custom words to reorganize your records. Keyword search, date range, and tag filtering are also supported.
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■ Calendar Integration
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Records are displayed in a calendar format. It also supports integration with Google Calendar, automatically detecting unrecorded events and prompting you to record them. It automatically analyzes locations and people from event titles, streamlining diary entry.
Furthermore, by displaying created records in the same in-app calendar, you can centrally manage events and records.
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■ Home Screen Widget
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You can place widgets on your home screen. You can access important information without opening the app, such as a graph showing the trend of the number of records, comments from AI, upcoming records, and past records from today (1 year ago, 6 months ago, 1 month ago).

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■ Privacy and Security
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Voice input data is processed only on the device and is never sent to external servers. Sending photo location information is opt-in and is off by default. You can log in securely with your Google account or Apple ID.

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■ Summary of Main Features
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・Two types of recording methods (event record / short message record)
・Japanese voice input support
・AI chat (dialogue with an AI that has learned from diary entries)
・Blunt mode / custom instructions
・AI proactive suggestions
・Weekly and monthly automatic reports
・Emotional radar chart (8 axes)
・Psychological tendency analysis (MBTI 16 type determination)
・Matching with the lifestyles of predecessors
・Stratigraphy of values
・Calendar display / Google Calendar integration
・Automatic organization of people, places, and works logs
・Reorganization by custom categories
・Automatic creation of to-do lists
・Photo album
・Home screen widget
・Notification reminders
・Google login

User Growth & Download Statistics

App
By:
Hakushin_PC_Club
Downloads:
15
Version:
0 Last updated: 2026-07-25
Publisher country:
JP JP
Email:
ha*****@gmail.com
URLs:
Privacy policy
Full description:
See detailed description
Source:
Google Play Store
Data ingested on:
2026-08-03
Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Android app. Please use these information below to contact the Android app developer.
Developed by:
Hakushin_PC_Club
Google Play Store
https://play.google.com/store/apps/details?id=com.hakushinpcclub.mr_diary
Email:
ha*****@gmail.com

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