Comparison

VoiceTra vs Relay GO Driver

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

VoiceTra

This app translates spoken words into multiple languages, offering both voice and text input. It's designed to facilitate communication for travelers and visitors, with features like instant translation direction switching and a user-friendly interface.

Highlights
  • Speech-to-speech translation
  • Supports 33 languages
  • Text input option
  • Instant translation direction switch
  • High-precision speech recognition
  • User-friendly interface
Read full description

VoiceTra is a speech translation app that translates your speech into different languages. VoiceTra supports 33 languages and can be downloaded and used for free. With an easy-to-use interface, you can also check if the translation results are correct. VoiceTra, whether to enhance your travel experience or to welcome visitors to Japan, will definitely come in handy as your personal speech translator. ■Features: VoiceTra utilizes high-precision speech recognition, translation, and speech synthesis technologies developed by the National Institute of Information and Communications Technology (NICT). It translates your spoken words into different languages and outputs the results in a synthesized voice. The translation direction can be instantly switched, allowing 2 people that speak different languages to communicate using a single device. Text input is available for languages that do not support speech input. VoiceTra is best suited for travel-related conversations and is recommended for situations and places such as below: ・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 *VoiceTra has also been introduced as a disaster-prevention, disaster-related app. While VoiceTra can be used as a dictionary to look up words, it is recommended to input sentences as it interprets the meaning from the context to output the translation results. ■Supported languages: Japanese, English, Chinese (simplified), Chinese (traditional), Korean, Thai, French, Indonesian, Vietnamese, Spanish, Myanmar, Arabic, Italian, Ukrainian, Urdu, Dutch, Khmer, Sinhala, Tamil, Danish, German, Turkish, Nepali, Hungarian, Hindi, Filipino, Bengali, Polish, Portuguese, Brazilian Portuguese, Malay, Mongolian, Lao, and Russian ■Restrictions, etc.: Internet connection is required. It may take a while to display the translation results depending on the network connectivity. Languages available for text input are those that the OS keyboard supports. The characters may not be displayed properly if the appropriate font is not installed on your device. Please note that some of the functions or the application itself may be disabled when the server is down. Users are responsible for the communication fees incurred to use the application. Please be aware that international data roaming charges can be expensive. This application was developed for research purposes; targeting individuals to test it out when traveling, and uses servers that are also setup for research purposes. The data recorded on the server will be utilized to make improvements in speech translation technologies. You may test out the app for businesses, etc., but please consider using private services that we have licensed our technology to for continuous use. Please refer to our "Terms of Use" for further details → https://voicetra.nict.go.jp/en/attention.html

About

Relay GO Driver

Features
Read full description

Relay GO Driver 是專為司機設計的行程管理應用程式,協助司機即時接收行程資訊、查看乘客需求,並有效管理行程狀態。 司機可透過電子郵件登入帳號,使用應用程式進行行程確認與聯繫乘客。應用程式可能會使用定位資訊,以顯示與行程相關的位置資訊,僅作為服務功能使用。 Relay GO Driver 提供簡單直覺的操作介面,協助司機更有效率地完成每一趟行程。

Screenshots

VoiceTra3 screens
Relay GO Driver4 screens

Verdict

The call

The clearest difference is update cadence: Relay GO Driver at every 11 days against VoiceTra's every 4 months. Relay GO Driver also leads on iOS requirement (14.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

VoiceTra ships an update every 4 months, Relay GO Driver every 11 days. The most recent releases landed on November 10, 2026 and October 28, 2026 respectively.

Scorecard2 real differences · 8 level
VoiceTra versus Relay GO Driver: the parameters behind the verdict, then further details
ParameterVoiceTraRelay GO Driver
PriceFreeFree
Rating4.6 (204 ratings) — better—
Positive reviews78.9% of reviews—
Number of ratings204 — better—
Update frequencyEvery 4 monthsEvery 11 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.014.0 — better
Further details — not scored
Size69 MB93 MB
Age rating4+4+
DeveloperNICTSHANG I LIU

In-app purchases

None

VoiceTra

No in-app purchases

None

Relay GO Driver

No in-app purchases

Questions

Is VoiceTra free?
VoiceTra is free to download, with no in-app purchases.
Is Relay GO Driver free?
Relay GO Driver is free to download, with no in-app purchases.
Do VoiceTra or Relay GO Driver have ads?
Neither VoiceTra nor Relay GO Driver shows ads.
Which is updated more often, VoiceTra or Relay GO Driver?
VoiceTra ships an update every 4 months, and Relay GO Driver every 11 days. Most recently, VoiceTra was updated on November 10, 2026 and Relay GO Driver on October 28, 2026.

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