haru · 하루글
The more you write, the clearer you get.haru — the day you meet the self inside you
A scribble, a long page, or just a photo — Siwoo (時友) reads it and writes back.
The rain stopped. Opened the window and the smell of wet earth rushed in.
Still, I walked today. That was all — and somehow, it put my heart at ease.
WRITING, ON YOUR OWN
A journal for people who actually write.
One line or ten pages — the best place to put a day in order.
- Open and write — nothing to set up
- Beautiful lines, quotes, and memories — stacking up
- Threaded feed — a line or a long page
- Photos, video, Live PhotosLive Photo upload in the app
- Android, iPhone, and the webphone, tablet, desktop
- Unlimited storage — local, and the cloud of your choiceowned outright, not subscribed
7:40 AM
Woke before dawn and fell back asleep. Long dream, nothing left of it.
9:12 PM
Went out after dinner without thinking and walked a while. The sunset was good on the way back.
Siwoo's reading
A tiring day, and still you moved — and your heart settled after. That seems to be what turned it.
On a desktop or tablet it opens in three columns — calendar and categories on the left, your diary in the middle, Siwoo on the right. On a phone it folds into one.
MEET SIWOO
A friend of your hours, quietly at your side.
It never rewrites your words — it writes beside them.
- Siwoo's reading — even on what you wrote alone
- Daily journaling — answer one question, get an entry
- Letters that fill an exchange diary — and casual chats
- Ieum — the plan that connects you to Siwooand your memories in geul, too
DAILY JOURNALING
- 01Siwoo asks first
- 02You write
- 03It becomes the entry
- 04It piles into your grain
Morning, midday, evening — answer the question, and what you wrote becomes that day's entry, word for word.
Still, I walked today
The day sat heavy, though nothing had actually gone wrong. After dinner you went out without thinking and walked for a while, then stood with the sunset on the way back. Taking yourself outside is what turned the day.
Insight
When you're worn out you seem to choose movement over rest — that may be how you recover.
What you did
- ✓I went outside even on a tired day.
- ✓I didn't let today just slip past.
To carry forward
On heavy days, walk first — decide after.
Every entry gets this — not just the weekly. The weekly and monthly reports are this, widened.
Siwoo writes first — a postcard for the day, a letter for the month.
Evening. How was today?
eh. kind of drained
A tiring one, then. Was there anything that stayed with you?
went for a walk after dinner
You did. You told me before that walking settles you a little — was it like that today too?
yeah it was. the sunset was nice
A walk with a sunset. Want to leave it there for today?
yeah, heading to bed
Okay. You did well today.
Draft for today
Still, I walked today
Nothing was really wrong today. I was just tired, all the way through. After dinner I went out without thinking about it and walked for a while, and the sunset was good on the way back. That was all — and somehow, it put my heart at ease.
Answer however you like — and the chat becomes today's entry.
I washed the windows
Washed the windows this morning. No particular reason. With the glass clean, the outside looked closer. Watered the plant too. That’s all I did today.
You wrote, “that’s all I did today.” Calling a day you washed the windows and watered the plant “all” — that seems a little unfair to it.
Keep a letter and it attaches to that day’s entry — as a reply, never rewriting what you wrote.
Come meet Siwoo — who may know you better than you do.
MOOD · GRAIN · DAILY LINE · CARDS · REVIEW · GEUL
A diary that looks inward becomes artistic inspiration — and then, literature.
Feeling becomes color, steadiness becomes grain, and one line goes out as a card. Habits keep their own 31-square garden.
Mood thermometer
CalmWarmth turns copper, heaviness turns indigo — the page reads your sentence and blushes.
Grain of writing
17-day streak
Writing streak — how steadily you've shown up, in shades of a single ink.
Musicians don't retire; they stop when there's no more music in them.
The Intern (2015)
— Ben Whittaker
Tap anywhere to move on
A line finds you each day — keep writing and the range starts to surprise you.
Ink indigo
One line, made into a card.
Share the one line that stayed with you — never the whole diary.
REVIEW DIARY
What you read and watched is part of your day, too.
Books, films, plays — write them the way you write a diary, and they leave as a square card with the cover, your stars, and one line. Made for people whose reviews deserve to be seen.
The Weight of a Quiet Room
“A book that stays quiet, and is louder for it.
Seven skins, light or dark, framed or full — the layout never changes, only the dress.
- Scan the barcodePoint the camera at an ISBN — no typing.
- The details fill themselvesTitle, author, publisher, year, cover. Search by title works too.
- Out as a square cardSized for Instagram and Threads, with your rating and one line.
AND ONWARD, TO GEUL
Where inspiration becomes a manuscript: geul.
haru and geul share one account and one world. Carry an entry over and keep writing in geul — the long-form studio, with chapters, plotting, and publishing.
- Today's entry
- Carry it over
- Keep writing, in chapters
- Publish
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 writing feature, forever
- Your-own-cloud sync incl. photos (Google Drive · Dropbox · OneDrive · WebDAV)
- Siwoo (AI) is a separate subscription
haru Ieum (subscription)
$3.99/mo · less on yearly
- Launch price $2.99/mo — start within 3 months
- Siwoo — readings, letters, journaling, weekly reports
- 10GB cloud with photos — just sign in
You can start writing right now, on the web.
haru works in your browser today — no install, no waiting. Add it to your home screen and it behaves like an app.
The iPhone and Android apps are on the way. Want us to tell you the day they land?






