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What is VocatAI? A calm AI translator for real conversations
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VocatAI is a cross-platform translation assistant. You choose languages, enter or dictate text, and receive translations from a large language model routed through OpenRouter. The experience is tuned for Android: mic-first layouts, conversation-style threads, and light and dark themes that stay readable.
What you get in the app
- Translate tab for back-and-forth exchanges with clear source and target labels.
- History so you can revisit recent lines without digging through system clipboards.
- Camera and settings surfaces aligned with the same visual language as the rest of the shell.
- Localization across many UI locales so the chrome matches how you read your phone.
Under the hood (at a glance)
The mobile client is Flutter; the backend is Express and TypeScript with PostgreSQL for users, sessions, usage metering, and stored translations. That split keeps the phone UI responsive while the server enforces quotas and talks to the model provider.
Naming note
You may see “Linguist” in code for the shell UI—same product as VocatAI on store listings and the site.