An AI to talk to when your mind keeps racing

Serena is an artificial intelligence built for conversation: it replies at your pace, without judging and without rushing, a chat that fits your day.

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?

Talking it out makes the weight clearer.

When there is no one to talk to

A conversation that is always open

Put what you feel into words at any hour, with nothing to schedule.

When your thoughts tangle up

Sort your ideas by talking

Writing it out helps separate what matters from the background noise.

When you want to be heard

Real listening

Serena follows the thread of the chat and answers what you actually said.

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

A dialogue that picks up where you left off.

  • Conversation memory

    Picks up where you left off

    Serena remembers the context so the chat flows without you repeating everything.

  • Always around

    Available day and night

    No matter the hour: just open WhatsApp and keep the conversation going.

  • No message limit

    Talk as much as you need

    Long talks or short ones, as many times as you like, with no clock ticking.

Talk without limits for a price that fits.

One single payment for the whole year: talk freely, no monthly fee.

Unlimited plan

Unlimited

$69 per year

Billed annually · cancel anytime

Full access to chat with Serena all year round.

  • Unlimited conversations
  • Available 24 hours a day
  • Remembers the conversation context
  • Full access for 12 months
Talk to Serena

Try it with 10 free messages before you subscribe.

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.