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SyncDialect
Real-time voice translation that never leaves your phone
SyncDialect is a real-time voice translator built to work entirely on your Android device after setup. Unlike cloud-based translators, conversations don't need to be sent to a remote server. It uses Google's Gemma and LiteRT for on-device AI, with WebRTC voice detection and streaming text-to-speech for natural conversations. Built for travel, privacy and unreliable connectivity, SyncDialect turns speech into translated voice without needing an internet connection.
Hey Product Hunt! 👋
I built SyncDialect because most real-time voice translators depend on the cloud. That creates three problems I wanted to tackle: connectivity, latency and privacy.
SyncDialect takes a different approach: the core translation pipeline runs directly on your Android device.
It combines Google's Gemma + LiteRT for on-device AI, WebRTC voice activity detection, and streaming text-to-speech to create a natural voice-to-voice translation experience. Once the required model is downloaded, the core translation workflow doesn't need an internet connection and conversations don't need to be sent to a translation server.
The goal is simple: you should be able to talk to someone in another language whether you're travelling without mobile data, somewhere with unreliable connectivity, or simply don't want a private conversation processed in the cloud.
I've been especially focused on reducing the delay between someone finishing a sentence and hearing the translation. The current implementation is designed around a low-latency pipeline rather than treating voice translation as a series of separate manual steps.
SyncDialect is still evolving, and I'd really value feedback from the Product Hunt community.
I'd particularly love to hear:
• Which language pairs would you use most?
• Where would offline voice translation be useful to you?
• What would make you choose an offline translator over Google Translate or other cloud-based alternatives?
Thanks for checking out SyncDialect! 🚀
About SyncDialect on Product Hunt
“Real-time voice translation that never leaves your phone”
SyncDialect was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #159 on the daily leaderboard. SyncDialect is a real-time voice translator built to work entirely on your Android device after setup. Unlike cloud-based translators, conversations don't need to be sent to a remote server. It uses Google's Gemma and LiteRT for on-device AI, with WebRTC voice detection and streaming text-to-speech for natural conversations. Built for travel, privacy and unreliable connectivity, SyncDialect turns speech into translated voice without needing an internet connection.
On the analytics side, SyncDialect competes within Android, Travel, Artificial Intelligence and GitHub — topics that collectively have 618.8k followers on Product Hunt. The dashboard above tracks how SyncDialect performed against the three products that launched closest to it on the same day.
Who hunted SyncDialect?
SyncDialect was hunted by Vishal Verma. 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 SyncDialect including community comment highlights and product details, visit the product overview.
Vishal Verma