RainbowSay

RainbowSay is a Mac application for learning or teaching languages using videos, podcasts, and shows sentence by sentence with AI.

RainbowSay is a Mac application designed to help users learn or teach a language using audio from TV shows, movies, vlogs, and podcasts. The app listens to audio playback, pauses automatically at the end of each sentence, and provides AI-driven translations, vocabulary lists with readings, and grammar notes. Users can practice speaking with voice analysis and gentle corrections, or use floating live subtitles in multiple languages over any video or call. It supports numerous languages for listening, speaking, and subtitles, operating on any app that plays sound on macOS. The software features a free starter tier alongside Pro and Max monthly or yearly subscription plans.

RainbowSay at a glance

Best for: Student
Runs on: macOS
Pricing: Free plan; Pro $29/month or $24.17/month billed yearly; Max $100/month or $83.33/month billed yearly
Released: October 2026
Category: AI research tool
Website: rainbowsay.ai

Key features

AI translation and vocabulary generation
Sentence-by-sentence audio pausing
Speaking practice with voice analysis
Live floating subtitles in multiple languages
Interactive chat for grammar and idiom questions
Saved session history with audio playback
Customizable subtitle colors and window placement

Use it for

Learning a foreign language from TV shows and movies
Practicing conversational speaking with AI feedback
Studying podcast audio sentence by sentence
Displaying live translated subtitles over video playback

Alternatives to RainbowSay

Learnharness — It plans lessons from your current understanding to your goal using AI agents.
Lessong — Automates vocal removal, lyric timing, translation, and beat-aligned mixes.
Subturtle — Practice saved phrases out loud with an AI voice coach and smart review flashcards.
4ToSpeak — Practice real speaking skills through a guided four-step sentence loop.
Skywork.ai — It automatically turns simple inputs into diverse multimodal content.
CANARY — Tracks the source, path, and context of captured screen content.
Studyai — It runs locally in your browser with no account needed and no third-party requests.

All RainbowSay alternatives