Two-way translation app for travel conversations in Vietnamese
Soniox App translates speech in real time, word by word, across 60+ languages and is built for travelers who work across language barriers. Conversations flow naturally with no waiting. Works with Vietnamese and 60+ other languages.
mobileDownload on the App Store and Google Play
computerDownload for macOS and Windows
Speak your language, be understood in theirs in Vietnamese
Language barriers slow down conversations and create misunderstandings. Soniox App removes them. Get seamless Vietnamese transcriptions today.
Read translations live
Vietnamese translations appear on screen in real time so both sides of the conversation can follow along.
Travel, work, daily life
From traveling in Vietnamese-speaking countries to joining international meetings, Translator handles any situation where languages differ.
No interpreter needed
Soniox App works like a live voice interpreter, translating Vietnamese speech in real time between any supported languages.
Connect with anyone
Have meaningful conversations with Vietnamese speakers regardless of the language barrier. No preparation needed.
Translation that keeps up with conversation in Vietnamese
Soniox App translates as people speak, not after they finish. Handles Vietnamese across varieties like Northern Vietnamese (Hanoi) and Central Vietnamese (Hue).
Automatic language detection
Switch between Vietnamese and other languages naturally mid-sentence without changing any settings.
60+ languages
Translate Vietnamese and 60+ other languages with natural conversation flow.
Two-way conversations
Speak Vietnamese while others speak their language. Soniox App translates both directions so everyone understands.
Zero delay
Translation happens as Vietnamese words are spoken — not sentence by sentence — so conversations feel natural.
Vietnamese at a glance
Key facts about Vietnamese.
native name
speakers worldwide
country where spoken
Vietnamese transcription accuracy
Soniox App is powered by next-gen speech AI model developed inhouse by Soniox. The table below shows how Soniox AI performs on Vietnamese transcription compared to 8 other providers.
| Provider | WER (Vietnamese) | Accuracy |
|---|---|---|
| Soniox#1 | 5.4% | 94.6% |
| Speechmatics | 8.9% | 91.1% |
| AWS | 11.2% | 88.8% |
| Azure | 11.2% | 88.8% |
| AssemblyAI | 12.1% | 87.9% |
| Deepgram | 14.2% | 85.8% |
| 15.4% | 84.6% | |
| OpenAI | 21.4% | 78.6% |
| ElevenLabs | 22.6% | 77.4% |
Word error rate (WER) measures how many words a speech-to-text engine gets wrong. Lower is better.
Soniox outperforms Speechmatics, AWS, Azure, AssemblyAI, Deepgram, Google, OpenAI, and ElevenLabs on Vietnamese transcription accuracy.
Soniox App works with Vietnamese and 60+ more languages
Soniox App transcribes and translates in Vietnamese and over 60 other languages with professional-grade accuracy.
Soniox App: The all-in-one AI speech toolkit
Smart Scribe, Translator, and Voice Typing cover three ways people work with speech.
One app. Everything you do with voice in Vietnamese.
Get started free
Transcribe conversations in real time with Soniox.
mobileDownload on the App Store
computerDownload for macOS and Windows
Learn everything Soniox can do
Need more details? The Soniox Help Center provides complete documentation for the app, including guides, videos, screenshots, and feature walkthroughs.
Learn how to use Smart Scribe, Translator, Voice Typing, and more.
Explore the Help Center
Built for any use case
From clinical documentation to creative workflows, Soniox App is built for the situations where accurate transcription and translation matter most.
Meeting transcription
Capture every decision and action item from meetings automatically.
Lecture transcription
Record complete lecture transcripts for study and accessibility.
Medical dictation
Document clinical encounters hands-free with professional accuracy.
Hearing accessibility
Real-time captions for deaf and hard-of-hearing users in any setting.
Travel translator
Communicate across language barriers with real-time spoken translation.
Voice notes
Capture ideas and thoughts hands-free and turn them into searchable text.
Private by default
Soniox never stores your recordings and never uses your audio to train models. Everything is processed securely in real-time, then gone.
Vietnamese language trivia
Xin chào - that's how you say hello in Vietnamese.
History and background
- history
Vietnamese was historically written in Chinese characters (Chữ Hán) and a modified form called Chữ Nôm.
- history
The modern Latin-based script (Quốc ngữ) was developed by Portuguese missionaries in the 17th century.
- history
Vietnamese adopted the Latin alphabet as its official script in the early 20th century.
Distinctive features
- lightbulb
Vietnamese has six tones in the northern dialect, making it one of the most tonal languages in Southeast Asia.
- lightbulb
Vietnamese uses the Latin alphabet with an extensive system of diacritical marks to indicate tone and vowel quality.
- lightbulb
Vietnamese is an analytic language with no inflection — grammar is conveyed through word order and particles.