For travelers & expats in Southeast Asia

Say what you mean—in the right tone

Context-aware translation for Vietnam, Thailand, and Indonesia. Not textbook phrases—the right words for who you're talking to.

iOS · Coming to the App Store

Translate the way you live

Type or speak, hear natural translations, and understand why each phrase fits the moment.

Hold the mic for speech-to-text or type directly. Hear results with text-to-speech and follow pronunciation guides in your native script.

Short notes explain formality and word choice. Tricky expressions break down word-by-word so you learn, not just copy.

History and flashcards stay on your phone. Translation requests go to AI services only when configured.

Every conversation has social context. Sayso adapts pronouns, formality, and tone to the person you're speaking to.

Stranger

Polite, safe defaults

Service

Shops, restaurants, hotels

Friend

Casual and warm

Partner

Intimate, natural phrasing

Bargaining

Market-friendly tone (Indonesia)

Senpai

Respectful register (Japan target)

Pick your pair and start translating with context.

Translate from

Korean, English, Japanese, Chinese, and 14+ more source languages

Into

Vietnamese, Thai, Indonesian — plus Japanese and English for practice abroad

Save useful phrases as flashcards. Review them in Learn mode until they stick—built from your real conversations, not generic word lists.

Download Sayso and say what you mean—in the right tone, every time.