Hacker News post
RainbowSay26 Oct 2026
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RainbowSay is a Mac app for learning or teaching a language from the shows, movies, videos and podcasts you already love — sentence by sentence, with AI translation, vocabulary, grammar, speaking practice and live subtitles. Free to start.
Source-based assessment · automated evidence rules
The retained text does not establish product availability or customer use.
Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.