Speak your language.
They'll read theirs.

VivaVoice is a messaging app with AI translation that understands more than words — it gets tone, gender, and formality right, so your messages sound like you in every language.

Download on the App StoreGet it on Google Play

Available on iOS, Android & Web

Chat list screen
Michael's phone showing English conversation
Salvador's phone showing Spanish conversation
Beyond Word-for-Word

Translation that understands nuance

Most translators treat every message the same. But languages aren't like that — the way you talk to your best friend isn't the way you talk to your boss or your grandmother.

  • Formality — tú or usted, du or Sie, casual or keigo. VivaVoice picks the right register for each conversation.
  • Gender-aware grammar— many languages change words based on who's speaking. Your translations always agree with you.
  • Natural tone— slang stays casual, jokes stay funny, and warmth doesn't get lost in translation.
Can you send me the photos?
You · English
¿Me puedes enviar las fotos?
They see · Spanishtú — for friends & family

Grammar that knows who's speaking

I’m so tired today 😅
Estoy muy cansada hoy 😅

Spanish adjectives change with the speaker's gender — VivaVoice gets it right automatically.

Core Features

Everything you need to stay close

A full-featured messenger underneath — with AI translation woven into every conversation

Real-Time AI Translation

Type in your language; they read in theirs — instantly. Translation that respects tone, gender, and formality.

Instant Messaging

Real-time delivery, read receipts, typing indicators, reactions, and media sharing. Everything you expect from a modern messenger.

Voice & Text-to-Speech

Hear any message spoken aloud in natural voices. A powerful everyday feature — and a lifeline for AAC users who speak through their device.

AI Companions

Chat with bots that have real personality — tutors, entertainers, study buddies — or build your own with its own voice and knowledge.

End-to-End Encryption

Chats where everyone shares a language are end-to-end encrypted — only your devices hold the keys. Every conversation is encrypted in transit and at rest.

Cross-Platform

iOS, Android, and Web. Start a conversation on your phone and pick it up on your computer without missing a message.

AI Chatbots

Bots with personality

Every VivaVoice bot has its own character and its own knowledge — chat with ours, or create your own in minutes

🎓

Language Tutor

Practice any language with personalized lessons and patient, judgment-free conversation

🔮

Elara the Tarot Reader

A mystical entertainer for readings, guidance, and a little fun

✈️

Travel Guide

Tips, recommendations, and local insights for any destination — in any language

📚

Study Buddy

A patient study partner for homework help and learning new topics

Create Your Own

Your bot, your rules

Give a bot a name, a personality, and a knowledgebase — and it becomes whoever you need: a friend who remembers your inside jokes, a coach, a character from a story you love.

  • Design its personality and speaking style
  • Teach it what it should know
  • Chat with it in any language, on any device
🤖
Your Custom Bot
Personality + knowledgebase
Quiz me on my French vocab from last week
Allons-y! 🇫🇷 First one: how do you say "the library"?

Running a business? See how bots power customer support →

How It Works

Simple & intuitive

Get started in seconds and communicate across languages effortlessly

1

Start a Conversation

Find friends by username, or say hi to one of the chatbots. No setup, no language settings to fight with.

2

Chat in Your Language

Type naturally. AI translates in real time — with the right tone and formality for whoever you're talking to.

3

Hear It Out Loud

Tap any message to hear it spoken with natural text-to-speech — great for pronunciation, essential for AAC users.

Ready to chat without barriers?

Download VivaVoice and start talking to anyone, in any language.

Download on the App StoreGet it on Google Play
Or open the Web App

Want new features first? Join the beta.

Get in Touch

Have questions or feedback? We'd love to hear from you.