미래에서 온 일기 - 매일의 세 줄

One minute a day, three lines of writing return as a letter.

"Diary from the Future" is an emotional diary app where your future self replies with a letter if you write three lines of diary every day.

The small emotions you felt today and the moments you let slip away return as letters to your future self three months, one year, and five years from now.

[ Recommended for These People ]

- Those who want to try writing a diary but always give up after three days

- Those who need a warm, private space for recording

- Those who enjoy self-reflection and taking care of their emotions

- People in their 20s and 30s who love analog letters and vintage aesthetics

- Everyone who wants to be cheered on by their future self

[ How to Use ]

1. Write today's three-line diary.

Three questions change every night. Over 400 questions arrive tailored to the day of the week, season, and special occasions.

2. Choose who to receive a reply from
You can choose from your future self (1 year from now), your future self (5 years from now), your future self (10 years from now), or your future self at the tail end.

3. A letter written by your future self arrives
The future you, having read today's entry, sends a warm letter to your present self.

[ The Special Features of Diary from the Future ]

- No registration, no login — All records are stored only on your device.

- Complete privacy — No personal information is stored on the server.

- Backup and restore — Save directly to your preferred cloud (Google Drive, Email, iCloud).

- One free letter every weekend; you can also receive one for free every day by watching an ad.

- Analog vibe — Beige stationery, postman teddy bear, handwritten font.

[ Key Features ]

- Three-line diary: 1 minute a day is enough. One-line mode is also available. - Today's Theme: Over 400 questions categorized by day of the week and anniversary

- Mood Chip: Tagging the texture of your heart that day with five colors

- Select Future Timeframe: 1 year, 5 years, 10 years, or the me at the tail end

- Mailbox: Reread your accumulating letters anytime

- Export Diary PDF: Create a book of a month's worth of diary entries

- Backup and Restore: Safely save as a JSON file

- Diary notifications, App lock (biometric authentication)

[ Privacy ]

Diary from the Future does not store user data on servers. All diary entries and letters remain exclusively on the user's device.

AI services are used solely for letter generation, and the content transmitted during this process is encrypted.

[ So that the daily you can reach the future you ]

There are days when even a single letter can bring comfort. We hope that today's three lines become the smallest and warmest record that embraces the me of tomorrow.