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 · Vietnamese, Thai, Indonesian & more

Translate the way you live
Type or speak, hear natural translations, and understand why each phrase fits the moment.
Voice & text input
Hold the mic for speech-to-text or type directly. Hear results with text-to-speech and follow pronunciation guides in your native script.
Why this phrase?
Short notes explain formality and word choice. Tricky expressions break down word-by-word so you learn, not just copy.
Relationship-aware
Every conversation has social context. Sayso adapts pronouns, formality, and tone to the person you're speaking to.
Your conversations, on device
History and flashcards stay on your phone. Translation requests go to AI services only when configured.
Relationship-aware translation
Every conversation has social context. Sayso adapts 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)
Ready to speak like a local?
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