9.1.0 Safe to install
VoiceTra: Your Personal Multilingual Assistant

VoiceTra provides real-time translation capabilities across multiple languages, making communication effortless for travelers and businesses alike.
VoiceTra is a speech translation app that offers the convenient ability to translate your speech into various languages. Whether you're traveling abroad or welcoming international visitors to Japan, VoiceTra serves as a reliable personal speech translator.
Features:
Utilizing high-precision speech recognition, translation, and speech synthesis technologies developed by the National Institute of Information and Communications Technology (NICT), VoiceTra accurately translates your spoken words into different languages and delivers the results in a synthesized voice. The app also allows for instant switching of translation direction, enabling smooth communication between two individuals speaking different languages using just one device. Additionally, for languages that do not support speech input, text input is available.
VoiceTra is particularly useful for travel-related conversations and is recommended for various situations and places such as:
- Transportation: Bus, train, rent-a-car, taxi, airport, transit
- Shopping: Restaurant, shopping, payment
- Hotel: Check-in, check out, cancellation
- Sightseeing: Overseas travel, serving and supporting foreign customers
- Emergency Situations: Also recognized as a disaster-prevention, disaster-related app.
While VoiceTra can function as a dictionary for looking up individual words, it is recommended to input complete sentences as the app interprets meaning from context to produce accurate translations.
Supported languages:
VoiceTra supports an impressive range of languages including Japanese, English, Chinese (simplified), Chinese (traditional), Korean, Thai, French, Indonesian, Vietnamese, Spanish, Myanmar, Arabic, Italian, Ukrainian, Urdu, Dutch, Khmer, Sinhala, Danish, German, Turkish, Nepali, Hungarian, Hindi, Filipino, Polish, Portuguese, Brazilian Portuguese, Malay, Mongolian, Lao, and Russian.
Restrictions and considerations:
- Internet connection is required to use VoiceTra.
- Translation results may take longer to display depending on network connectivity.
- The availability of text input is dependent on the language support of your device's operating system keyboard.
- In cases where the appropriate font is not installed on your device, the characters may not be displayed correctly.
- Please note that certain functions or the app itself may be disabled during server downtime.
- Users are responsible for the communication fees incurred when using the application. It is important to be aware that international data roaming charges can be costly.
Finally, it's worth mentioning that VoiceTra was initially developed for research purposes with the intention of collecting data for improving speech translation technologies. While businesses and other entities are welcome to test the app, continuous usage is encouraged through privately licensed services that utilize our technology.
For further details, please refer to our "Terms of Use" available here: https://voicetra.nict.go.jp/en/attention.html.
Overview
VoiceTra is a Freeware software in the category Education developed by NICT.
The latest version of VoiceTra is 9.1.0, released on 01/03/2025. It was initially added to our database on 12/17/2023.
VoiceTra runs on the following operating systems: iOS.
Users of VoiceTra gave it a rating of 5 out of 5 stars.
FAQ
What is VoiceTra by NICT?
VoiceTra by NICT is a multilingual speech translation app developed by the National Institute of Information and Communications Technology to facilitate communication across different languages.
Which languages does VoiceTra support?
VoiceTra supports over 30 languages, including English, Japanese, Chinese, Korean, Spanish, French, and more.
How does VoiceTra work?
VoiceTra records your speech in a selected language, translates it into the desired language, and then plays back the translated speech to help facilitate conversation.
Is VoiceTra available for both iOS and Android devices?
Yes, VoiceTra is available for download on both iOS and Android platforms.
Can I use VoiceTra offline?
Some features of VoiceTra require an internet connection for translation. However, certain languages may allow offline translation depending on updates and app features.
Is VoiceTra free to use?
Yes, VoiceTra is free to download and use.
Does VoiceTra require an internet connection to work?
Most translations require an internet connection, but some basic functions might work offline depending on your device and language support.
How accurate is the translation in VoiceTra?
The translation accuracy varies by language pair and complexity of speech. It is constantly improving through updates and user feedback.
Can VoiceTra be used for business or professional purposes?
VoiceTra is mainly designed for casual and travel use; for professional purposes, consider specialized translation services.
Where can I find support or updates for VoiceTra?
Support and updates can be found through the official NICT website or the app store where you downloaded VoiceTra.

Peter Salakani
I'm Peter, a software reviews author at UpdateStar and content specialist with a keen focus on usability and performance. With a background in both software development and content creation, I bring a unique perspective to evaluating and discussing general software topics. When I'm not reviewing software, I enjoy staying updated on the latest tech trends, experimenting with new applications, and finding innovative solutions to everyday tech challenges.
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