haru · 하루글
Conversations become your diary. Your diary becomes the grain of you.
haru is written with Siwoo (時友), the friend of your hours. Three times a day Siwoo asks first, and the deep talk that follows becomes an entry on its own — feelings and themes read and attached. On quieter days, just journal: photos and moments stack into a thread, and Siwoo reads along, looking back over the days with you. Local-first: your diary lives on your device before anywhere else.
TIME WITH SIWOO
A talk that asks first — and stays as your diary.
This is the heart of haru: deep conversations that help you know yourself — read, analyzed, kept, and piled into your grain.
Siwoo asks first
Tap a card — morning pledge, midday rest, evening review. Siwoo opens the talk, remembering your past entries and your people.
The talk goes deeper
Answer, and the next question digs further — what lifted you, what weighed on you. You end up saying things you didn't know you felt.
It becomes your diary
Say "that's enough for now" and Siwoo recaps the talk into an entry — conversation log and a reading of your feelings and themes attached. No rewriting.
It piles into your grain
Every reading flows into the grain of your heart, weekly reports, and a weekly series where yesterday's answer decides today's question.
Morning, midday, evening
Tap the card and Siwoo asks first — a morning pledge, a midday rest, an evening review. And the evening opens with what you told Siwoo this morning.
Wrap up, recap, keep it
End the conversation whenever you're ready, and Siwoo recaps it — then the recap, with the conversation and its reading attached, becomes a diary entry.
A week on one theme
A weekly series stays on one thread for seven days — yesterday's answer decides today's question, so the week actually builds on itself.
The haru dictionary
Teach Siwoo once that "Mom," "Mother," and your own pet name for her are the same person — Siwoo remembers, and uses it in conversation too.
CAPTURE
Days flow in as a thread — photos, videos, moments.
A threaded feed
Short and often — today's moments stack into a thread, not a blank page demanding an essay.
Live Photos, alive
Attach photos and videos — Live Photos play right in the diary, extract on Android, and can even be created in-app.
Gallery, two ways
Every photo you've kept, browsable as a grid or laid over the calendar of your days.
Quick capture
One tap from your home screen to today's entry — the moment doesn't wait, so neither does the app.
Tap check-in
Where you are, who you're with, what you're doing — tap a few chips and the moment is already saved.
And Siwoo reads along.
Siwoo writes first
A few days of reading along, then letters start arriving — a daily postcard, and a long letter each month. Not on a schedule, but at a moment you didn't expect — never repeating what it has already told you.
Siwoo sees your photos
The photos you attach aren't decoration. Siwoo actually looks at them — the light, the season, the expression — and weaves that scene into the letter, like a friend who was there.
Draft help on empty days
Nothing coming? Siwoo can sketch a diary draft from your day's traces — you edit, it stays your voice.
An actual letter card from the app — Siwoo quoting the line that stayed.
MOOD GRAIN
Feelings become color as you type.
The mood thermometer reads the feeling in your sentences and tints the page — copper for warm days, moonlit indigo for low ones. No sliders, no emoji picker: your words are enough.
Mood thermometer
CalmWarmth turns copper, heaviness turns indigo — the page reads your sentence and blushes.
A stripe of how you've felt
Every entry's mood color lines up into one long stripe — weeks and months of feeling, read at a glance like a single strand.
Look back by feeling, story, or person
Filter your entries along the axis that matters right now — every low day, every entry in one story, every line that mentions someone.
REFLECT & GROW
Beyond recording — toward the life you're tending.
Heatmap · streaks · stats
Your days settle into a mood-colored grid; streaks and stats show the shape of a season at a glance.
Little ceremonies
Milestones get celebrated — a hundred entries, a long streak. Keeping a diary should feel like winning.
Habit garden
A 31-square grid for each habit, with no streak-breaking guilt trip — a missed day just leaves a square blank, and tomorrow starts fresh.
Vision map (Mandalart)
A Mandalart grid for where you're headed — the diary records your days; this maps where they're going.
Weekly report
Published every Sunday, titled in your own words, with three hypothesis-style insights — never a verdict, just a gentle guess worth checking.
The month, wrapped
At month's end, the weeks fold into one longer look back — what kept coming up, what quietly changed.
Grain of writing
17-day streak
Grain of writing — how steadily you've kept the days, in shades of a single ink.
SENTENCE CARDS
Share one line — never the whole diary.
Still, I walked today. That was all — and somehow, it put my heart at ease.
2026. 7. 12. haruOne line, made into a card.
Share the one line that stayed with you — never the whole diary.
Four layouts
Quote, Polaroid, Page, or Letter — the same line dressed differently, so the card fits the mood of what it's carrying.
Pin a line for good
Beyond sharing, pin a card to a keepsake wall inside the app — the line stays findable long after the day it was written.
BACKUP & SYNC
A decade of days deserves a safe home.
Export, free forever
Markdown ZIP export and manual backup are free on every tier, always. Your data walks out the door whenever you say so.
Free text sync
Sign in and your entries' text syncs across devices at no cost — a new phone never means a lost diary.
Your own cloud, for life (Full Edition)
The Full Edition adds one-click sync of your entire archive — photos and videos included — to your own cloud (Google Drive, Dropbox, OneDrive, or WebDAV). One purchase, no subscription, yours for life.
PRICING
Hate subscriptions? So does your diary.
Prices may vary by country (taxes and currency). Full details in the app's upgrade screen.
Free
$0
- Threaded diary · photos · mood colors
- Text sync across devices
- Export & manual backup, free forever
haru Full Edition
$14.99 — once, no subscription
- Every app feature, forever
- Your-own-cloud sync incl. photos (Drive · Dropbox · OneDrive · WebDAV)
- One payment your future self thanks you for
haru Ieum (subscription)
$2.99/mo · less on yearly
- Zero-setup managed cloud, 2GB with photos
- Siwoo's letters keep coming (managed AI)
- Mood-grain insights
And when a diary line wants to become a novel — geul, the long-form studio, shares one world with haru.