Koyomi - Diary with Future

Koyomi is a simple and beautiful diary app that lets you record past, present, and future in a single timeline.

■ Key Features

【Diary Recording】
・Record daily events with text and photos
・Attach up to 10 photos per entry
・Create diary entries for past, today, and future
・Auto-save keeps your writing safe

【Calendar View】
・View diary records at a glance in monthly display
・Days with entries marked with dots
・Future diary entries marked with pins
・Tap dates to view diary entries

【Timeline View】
・Display all diary entries in reverse chronological order
・Filter by tags and goals
・Smooth scrolling for comfortable browsing
・Diary cards show photos and text at a glance

【Tag Feature】
・Classify diary entries with tags
・Customize tags with colors
・Auto-organize by usage frequency
・Filter and search by tags

【Goal Management】
・Set goals you want to achieve
・Link diary entries to track progress
・Set deadlines with reminders
・Manage as completed or incomplete

【Security】
・Lock app with 4-digit PIN code
・Protect your privacy with confidence

【Full-Text Search】
・Search across all diary entries
・Filter by tags and goals
・Specify date ranges

【iCloud Backup】
・Automatically sync to iCloud
・Share across multiple devices
・Transfer data when changing devices

【Reminder Notifications】
・Daily diary reminders
・Notifications for future diary dates
・Set notification time freely

【Themes】
・Light Mode / Dark Mode
・12 color themes
・Customize accent colors

■ Perfect For

・Recording daily events
・Writing down future goals and dreams
・Preserving memories with photos
・Looking for a simple, easy-to-use diary app
・Valuing privacy
・Sharing diary across multiple devices

■ What Makes Koyomi Special

◆ Simple and Beautiful Design
Intuitive operation that anyone can use easily. A design that eliminates unnecessary features and lets you focus on writing your diary.

◆ Record Past, Present, and Future
Manage past memories, today's events, and future goals and plans all in one app.

◆ Privacy Protection
Protect your privacy with a 4-digit PIN code to lock the app.

◆ iCloud Sync
Automatically backup to iCloud. When you change iPhones, your data transfers immediately.

◆ No Ads
No annoying advertisements. Write your diary comfortably.

■ How to Use

1. Select a date from Calendar or Timeline
2. Enter text and attach photos
3. Classify with tags and goals
4. Auto-save completes the process

That's all it takes to keep daily records.

■ Support

If you have questions or requests, please feel free to contact us from the support URL in the settings screen.

Record your life with Koyomi.