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RTranslator
Open-source and offline simultaneous translator for Android
Connect to someone who has the app, connect Bluetooth headphones, put the phone in your pocket and you can have a conversation as if the other person spoke your language. You can also use it like any other translation app, offline and with total privacy.
Top comment

A few years ago, right after high school, I decided to try to make a simultaneous translation app for Android as a side project, it took longer than expected (about 2 years) and I had to make a lot of compromises (I had to use Google's API and therefore make users use a developer key because at the time there were no free solutions for speech recognition and translation that had good quality). At the end of university, I decided to pick it up again and finally, using OpenAi's Whisper for speech recognition and Meta's NLLB for translation (with both running locally on the phone), I managed to make it free and totally open-source (as it was meant to be from the beginning). The app is still in beta, so I would love your feedback. For now, the app is not in the Play Store, to install it download the apk on the GitHub releases and open it: https://github.com/niedev/RTrans...
About RTranslator on Product Hunt
“Open-source and offline simultaneous translator for Android”
RTranslator launched on Product Hunt on September 22nd, 2024 and earned 169 upvotes and 26 comments, placing #7 on the daily leaderboard. Connect to someone who has the app, connect Bluetooth headphones, put the phone in your pocket and you can have a conversation as if the other person spoke your language. You can also use it like any other translation app, offline and with total privacy.
On the analytics side, RTranslator competes within Android, Privacy and Travel — topics that collectively have 110.3k followers on Product Hunt. The dashboard above tracks how RTranslator performed against the three products that launched closest to it on the same day.
Who hunted RTranslator?
RTranslator was hunted by Luca Martino. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of RTranslator including community comment highlights and product details, visit the product overview.
