Building Arc: An AI Messenger Powered by Firebase, Flutter, and Vertex AI Introduction: The Vision of Arc Our journey at Arc began with a singular vision: to redefine private communication in the …

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Arc is a privacy-focused messaging app built with Flutter for cross-platform development, Firebase for real-time messaging and authentication, Cloud Run for scalable microservices, and Vertex AI with Gemini models for AI-powered conversational companions. The architecture emphasizes four pillars: stability, speed, lightweight design, and high security. Key features include ephemeral messaging, mesh networking for offline resilience, and RAG-based AI characters grounded in Vertex AI Search to prevent hallucinations. The team achieves rapid iteration with 144 updates in 34 months through rigorous Flutter optimization using static analysis and dynamic profiling.

Building Arc: An AI Messenger Powered by Firebase, Flutter, and Vertex AI

How on earth can you claim privacy first with firebase and google cloud on the backend?

privacy-focused messaging app built with Flutter -&gt; fine
Firebase for real-time messaging and authentication - lost me there with privacy

The amount of things named arc lol, i dont think there is a single name more taken than arc

are we making anything nowadays and calling it privacy focused 😭🙏