사랑은
모든 언어로 말한다.

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.

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.

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.

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.

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.