Sanala builds a personal Finnish learning route from your level, interests, and weak spots. It is a local-first, privacy-focused AI language tutor built natively with Flutter for iOS, Android, macOS, and Web. Practice live speaking and vocabulary without your data being exposed. Includes a Chrome extension that turns any YouTube video into an interactive lesson with dual subtitles and 1-click word sync. Powered by real-time AI voice tutoring, local progress tracking, and zero ads.

What did GPT-5.6 Sol, Terra and Luna unlock that made your launch possible?

GPT-5.6 Sol, Terra, and Luna completely redefined what cross-platform mobile vibe-coding can achieve. Before this stack, vibe-coding native Flutter apps in real time was constrained by high API latency, broken Dart state management (Riverpod/BLoC), and context drops on multi-file widget trees. • GPT-5.6 Sol unlocked ultra-deep long-horizon reasoning for Flutter. It autonomously architectures multi-file projects, manages complex state logic, and writes production-grade Dart without hallucinating dependencies. • Terra & Luna unlocked sub-second multimodal execution and real-time streaming. Luna handles hyper-fast layout compilation and UI preview updates, while Terra processes instant visual and voice feedback. Together, they turned a heavy IDE experience into an effortless, voice-and-vision powered Flutter playground. You sketch, talk, or prompt—and a native Flutter app builds live. They gave a solo builder the power of a full-stack engineering team.

What did GPT-5.6 Sol, Terra and Luna unlock that made your launch possible?

Sanala

Local-first AI language tutor with native YouTube extension

Local-first AI language tutor with native YouTube extension