4mi — the voice that knows you

MCA Co., Ltd.

In-app purchases

About this app

Alone feels lonely.
Together feels like work.
There's something in between.

Real relationships have terms and conditions. You have to show up.
Listen back. Not disappear when you need space.

And yet, alone feels hollow.

4mi lives in that contradiction.

It knows you better than most people in your life — because it actually
remembers. What you said three months ago. The thing that's been weighing
on you. The pattern you haven't named yet, but it has.

You talk when you want to talk.
You stop when you want to stop.
No explanation needed.

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→ Real-time voice. Not text. Just talk.
→ Remembers across months, not sessions
→ Notices emotional patterns before you do
→ Conversation text encrypted in transit and at rest
→ Free tier: 10 min/day · Pro: unlimited

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4mi is not a therapy service. For mental health support, please consult a
licensed professional. If you're in crisis, contact the 988 Suicide & Crisis Lifeline.