The world's first Inner World Model

Untangle what's living in your head.

We carry so many thoughts inside us, letting them tighten into knots. As you speak, Seity listens, unwinds what's been looping in your mind, and reflects the deeper patterns shaping your inner world.

A private witness for the patterns underneath your days.

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A short introduction from Seity

Seity doesn't know everything.
But it knows you.

About Seity

You deserve
to be heard.

For 200,000 years, humans processed life out loud. We spoke to elders, to friends around fires, to witnesses who remembered our patterns and watched us grow across seasons. Growing was never meant to happen in isolation.

Modern life broke that loop. We got notes apps that became digital graveyards. Cloud AI that agrees with everything but forgets us the moment we close the tab. We lost the witness.

Seity is here to restore it.

A witness that listens

A private place
for what is real.

Seity is an Inner World Model you speak to out loud. No blank pages. No pressure to sound articulate. Just you, speaking what is real, and a witness that listens, remembers, and reflects without steering.

Your inner world

Seity is the world's first Inner World Model: a private space where your emotions and thoughts are processed, organized, and understood.

Private by physics

Your thoughts never leave your device. No cloud. No servers. No exceptions.

Fast as thought

On-device processing means Seity responds the moment you pause, not when a data center catches up.

Memory that matters

Seity remembers your patterns, your themes, the things you've said before. It connects dots across time.

Emotionally present

It notices when you're stressed, when you're hopeful, when something's shifted. Not through surveillance—through listening.

Your seity belongs to you

Private
by physics.

The word “seity” comes from the Latin seitas, meaning “self” or “oneself”—the essence of individual identity and self-awareness. We chose this name because Seity is fundamentally about exploring who you are.

Your privacy is sacred. Every conversation stays on your device. We don't upload your thoughts to the cloud, we don't share your data, and we never use your personal reflections to train AI models.

Your seity belongs to you alone.

PRIVATE BY PHYSICS

Nothing leaves
this device.

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Make room for
what's within.

Seity is currently in closed alpha, in English, for iPhone 15 or newer.

Untangle what's living in your head.

You deserveto be heard.