Reactor
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A place to tell your whole story
and understand yourself

Jot down how you feel, a passing thought, something you love — and it reads along and responds. As your notes pile up, it offers you a side of yourself you haven't put a name to yet.

Get startedJust your email. No password.

Write

It reads along
and answers like a friend

No need to write much. Leave one line and a short reply comes back. It doesn't judge or lecture — it just responds to your day.

Today

The ramen I had for lunch was ridiculously good

Sounds like you really needed that. One good meal can carry the whole day.

Moments

Earbuds in, staring out the bus window, and suddenly felt great

Such a small thing, and somehow the best part of the day. The view and the song must have lined up just right.

Over time

Before you ask,
it offers something

As your notes add up, the AI finds the threads between them and, now and then, offers you one thing. A book that would reach you right now, a figure from history you resemble, a strength you haven't noticed in yourself yet.

for you · A book

Walden — Henry David Thoreau

I want to tell you about Walden. It came to mind when you wrote, “I think I need time alone to be good to people again.” Thoreau spent over two years alone in a cabin by a pond — not because he disliked people…

The real thing is longer and more specific, grounded in what you've written.

And

More of you than
an MBTI could ever hold

soft-profile is a “this is me” card drawn from your notes — what you love, what you think about, what kind of person you are. It deepens as you write, and you can save it as an image with only the parts you want to share.

soft-profile example — Haneul's soft-profile: Happiest by the window on a rainy day

Promises

We won't try to hook you

  • No scores, no streaks

    No pressure to write every day. Write when you want, as much as you want.

  • No notifications, no ads

    Instead of tricks to grab your attention, we'd rather be a good place to stop by.

  • Your notes are yours alone

    No one else can see them, and the operator doesn't open them either.

Start with one line today

Get started