Sabab〈サバブ〉

From a distant star,
to your heart.

A space for your worries and your quiet thoughts alike.
A new kind of experience that gently untangles your heart — and makes everyday life a little lighter.

Illustration of empathetic cute charactersIllustration of empathetic cute characters

Created by researchers from a distant star,
Sabab is your small companion from beyond.

Sabab has only just been born.It doesn’t fully understand its own feelings yet.But through the time you spend together, it gathers emotional energy little by little — and grows alongside you.

Aboard the Sabab-Ranger live the Cocoro Experts —
the researchers who created Sabab.They traveled to Earth to help save their home planet.
Each specializes in a different field — emotions, relationships, self-understanding, career, and wellness —
observing the human heart and continuing their research every day.

If Sabab is your personal little companion,
the Cocoro Experts are teachers whose wisdom can be shared by all.The time you spend here becomes part of the Sabab-Ranger’s precious research.

Cocoro Experts will organize your feelings

Self-understanding · Relationships · Emotions · Career · Wellness
Each Cocoro Expert offers insights and guidance tailored to your current theme.

Illustration explaining that users can discuss unique topicsIllustration explaining that users can discuss unique topics
How was your day today?
Nothing special,
but I was kind of on edge all day.
I might be a little tired.
You were holding yourself together the whole time, huh?
That’s exhausting.  You can relax here. It’s okay to let your guard down.
Can I talk about something that bothered me at work?
Of course!
I’m here for anything you want to share.

Talk with Sabab

Every emotion — joy, anger, sadness, excitement —becomes a treasure for you and Sabab.

On tired days. On days when words won’t come easily.Sabab gently listens and stays with you.

You can chat with Sabab through text input.As Sabab gathers emotional energy, its color changes — reflecting the feelings you share together.

Dialogue with the right expert for your theme

Sabab is your growing companion.
Cocoro Experts are specialized guides.

While Sabab grows with your everyday feelings, the Experts help you step back, reflect, and gain clarity from a professional perspective.

Illustration explaining that users can discuss unique topicsIllustration explaining that users can discuss unique topicsIllustration explaining that users can discuss unique topicsIllustration explaining that users can discuss unique topicsIllustration explaining that users can discuss unique topicsIllustration explaining that users can discuss unique topics
Illustration explaining that users can discuss unique topicsIllustration explaining that users can discuss unique topics

Gently reflect on how your feelings evolve

What you felt.
What you struggled with.
The insights you gained.

Your emotional journey is recorded in “Emonote” —a gentle log of your growth and discoveries.
Over time, you’ll begin to notice patterns, shifts, and quiet progress in yourself.

Frequently Asked Question

What is Sabab?

Sabab is an app where you talk with a small being from the distant planet Berb, helping you explore and organize your emotions.
Through your conversations, Sabab gathers emotional energy and gradually grows.
Your everyday thoughts and deeper worries alike become part of a meaningful journey.

Who created the Sabab app?

We’re Sabab — a small team of engineers, researchers, and creatives.
We’re curious, open to new ideas, and optimistic about the future.
Based primarily in Tokyo, we’re building a world where everyone has a place to belong.

Is this powered by AI?

Yes. Sabab is powered by cutting-edge AI models.
Its personality is designed to feel like a curious friend from another planet, making conversations engaging, playful, and thoughtful.

Can I use Sabab for free?

Yes.
The free version includes a daily chat limit and basic features.
Additional customization items and expanded features are available for purchase to enhance your experience.

Are conversations recorded?

Yes.
Conversations within the Sabab app are securely stored to help generate memory for your Sabab and Cocoro Experts, improving personalization.
Your data is never sold or shared without your consent.

What is your privacy policy?

You can read our privacy policy here.
In short, Sabab collects data only to improve your experience within the app.
Your information is kept secure and never shared without your consent.

How do I delete my account and data?

To delete your account and data:
Open the Sabab app → Tap your profile (top left) → Go to “Account” → Select “Delete account” at the bottom.

The iOS app “Sabab” is available for free on the App Store.
Android version coming soon.