Real-time AI Translation

Love speaks
every language.

Connect with people from around the world through text, voice, and video — with automatic translation in every conversation.

50,000+ couples connecting across languages

9:41
🇧🇷
Lucas
Online

Saudade de você 💜

Translated: I miss you so much

Miss you every day ❤️

Traduzido: Sinto sua falta todo dia

Logo estarei aí 🌍

Translated: I'll be there soon

9:41
LIVE · 08:23
AI Translating
Yuki, a Japanese user on a Heartline video call
🇯🇵 Yuki
Lucas, a Brazilian user on a Heartline video call
🇧🇷 Lucas

Yuki: "今日は本当に楽しかった"

→ "Today was really fun" ✦

Features

Every way to connect, perfectly translated.

Three modes of communication. One seamless language barrier.

Text

Read in your own language

Send messages in your native language. Your partner reads them instantly translated into theirs — and vice versa.

오늘 많이 보고 싶었어

I missed you so much today

Me too ❤️

저도요 ❤️

Supports 100+ languages

Voice Call

Hear each other clearly

Talk naturally. AI listens, translates, and plays back the other person's voice in real time — no lag, no awkward pauses.

🇧🇷
Speaking Portuguese...
"I really like you" →
Real-time voice translation

Video Call

See every expression

Face to face across any distance. Live subtitles appear on screen so nothing gets lost in translation.

Live
🇩🇪

"Das macht mich so glücklich"

"That makes me so happy"

Live subtitle overlay
How it works

Simple as a conversation.

01

Match

Discover people from around the world. Filter by language, interests, and what you're looking for.

02

Connect

Start a conversation — text, voice, or video. Heartline handles the rest automatically.

03

Understand

AI translates every word in real time. No language is a barrier. Just two people, truly talking.

🇨🇳 Chinese🇯🇵 Japanese🇰🇷 Korean🇫🇷 French🇩🇪 German🇧🇷 Portuguese🇸🇦 Arabic🇮🇳 Hindi🇮🇹 Italian🇷🇺 Russian🇹🇭 Thai🇮🇩 Indonesian + 90 more
Love Stories

Real people, real connections.

Language was never the barrier. Just the excuse.

"We met in a language exchange group. Now we've been together for two years — and Heartline is still part of our daily life."

🇨🇳

Mei & Lucas

Mandarin & Portuguese

🇧🇷

"I never thought I'd fall for someone who doesn't speak my language. Heartline made us possible."

🇯🇵

Yuki & Amir

Japanese & Arabic

🇸🇦

"The voice translation is so natural, sometimes I forget we're speaking different languages entirely."

🇮🇹

Sofia & Jihoon

Italian & Korean

🇰🇷
50K+ Active couples
100+ Languages supported
4.9 App Store rating

FAQ

Questions, answered.

What languages does Heartline support?

Heartline supports over 100 languages for text translation, with real-time voice and video translation available for the most widely spoken languages including English, Spanish, French, German, Japanese, Korean, Portuguese, Chinese, Italian, and more.

Is Heartline free to use?

Yes — Heartline is free to download and use. Core features including text messaging with translation are available at no cost. Premium features for enhanced voice and video calls are available via subscription.

How does real-time voice translation work?

When you make a voice call on Heartline, our AI listens to what you say, transcribes it, translates it into your partner's language, and plays it back — all in real time with minimal delay. You speak naturally; they hear you in their language.

Is my conversation data private?

Yes. Your messages are end-to-end encrypted. Voice and video content is processed transiently for translation and is never stored on our servers after your call ends. We do not use private conversations to train AI models or for advertising.

Can I use Heartline for friendship, not just dating?

Absolutely. Heartline is for anyone who wants to connect with people across language barriers — whether that's romantic relationships, friendships, language exchange partners, or international pen pals.

Heartline

Ready to find
your person?

Download Heartline and start connecting with people from across the world — no language required.

Free to download · Available on iOS and Android