How Sanas built a real-time video translation app in 3 months using Expo

Sanas, a Speech AI company, has developed an innovative instant language translation video calling app using Expo, which allows real-time multilingual conversations by integrating advanced large language model translation research with modern mobile tooling. The app, designed to work seamlessly on both iOS and Android, addresses the significant challenges of real-time, low-latency voice translation by ensuring minimal delay, maintaining voice fidelity, and preserving the speaker's natural tone across more than 25 languages. Expo's unified developer experience, native API access, and rapid iteration cycle enabled Sanas's small team to focus on solving complex translation problems without the overhead of manual configuration. This approach facilitated the app's rapid development from prototype to production within three months, achieving an average translation latency of under two seconds. As Sanas continues to enhance the expressiveness and humanlike quality of real-time translation, Expo remains a crucial component of their strategy, allowing them to quickly deploy updates and leverage research breakthroughs to improve user experiences.

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