An AI companion for the lonely hours

Serena is around to listen, welcome you and stay by your side when loneliness sets in.

Serena

Listening, without judging

Today was a hard day. I can’t stop thinking about what went wrong.

Thank you for sharing this with me. Hard days are part of it, and you don’t have to go through them alone.

Would you like to tell me more about what happened, or would you rather we breathe together first?

Company for the hard hours.

When the house goes quiet

Company at any hour

Someone to share a few words with when that empty feeling hits.

When no one seems to have time

Unhurried space

Here the conversation is yours: no interrupting, no changing the subject.

When your chest feels tight

Welcome without judgment

Open up without fear of being a bother or of being judged for how you feel.

Dr. Marco Abud
“Serena uses artificial intelligence grounded in science-based practices to welcome and guide in a gentle, practical way, helping you organize your thoughts and move forward, in your own time.”
Dr. Marco Abud Psychiatrist · creator of the Saúde da Mente channel · Serena supporter

Always there, your way.

  • Day to day

    A less lonely routine

    Small conversations that help you get through the day with more ease.

  • Late nights included

    There when the night feels heavy

    In the hours when company is hardest to find, Serena stays close.

  • No pressure

    In whatever time you have

    Talk a lot or a little. The presence does not depend on how much you say.

A companion all year costs less than it seems.

A single payment for the whole year, presence whenever you need it.

Unlimited plan

Unlimited

$69 per year

Billed annually · cancel anytime

Full access to your companion for 12 months.

  • Unlimited conversations
  • Around 24 hours a day
  • Support through lonely moments
  • Full access for 12 months
Talk to Serena

Start with 10 free messages to see how it feels.

Serena avatar

Serena is a well-being companion powered by artificial intelligence grounded in science-based practices. Integrated with WhatsApp, she is around 24 hours a day, 7 days a week, with warm, personalized support to help you get through hard days with more clarity and ease, in your own time.

Frequently asked questions.

Does Serena replace therapy or psychiatric care?

No. Serena is an emotional well-being companion, not a clinical service. It complements but does not replace a psychologist, psychiatrist or professional treatment. In a crisis, seek immediate professional help.

Find a Helpline — international crisis lines

How much does Serena cost?

Serena costs $69 per year, billed annually as a single payment with no hidden monthly fees. Conversations are unlimited for the full 12 months, and you can cancel anytime.

How does Serena work on WhatsApp?

Serena lives inside WhatsApp: there's no app to download and no complex signup. You talk by text or voice, anytime, like any other contact. It's available 24 hours a day.

Are my conversations with Serena private?

Yes. Conversations are confidential and protected by encryption. Serena never sells your data, never uses it for ads, and never trains AI models on your conversations.

Can I try Serena before subscribing?

Yes. You start with 10 free messages to see how it feels before subscribing. After that, the annual plan gives unlimited conversations for 12 months.