Ether Echo
Learn a language by ear, then talk to a voice tutor
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Most language apps teach you to tap. Ether Echo teaches you to hear and speak. You listen to whole sentences spoken by a voice, and each one introduces exactly one new word. Reviews are scheduled with FSRS, the algorithm recent Anki versions use, so a word comes back right before you would forget it. Once you know about thirty words, a real-time voice tutor talks with you using only words you already know. Seven languages: English, French, Spanish, German, Japanese, Mandarin, Russian.
PH · launched Sep 19, 2026 · 1 upvote (top 69%) · 0 views
Niche: language learning apps · 511 launches, 56 in the last 7 days ▼ -3% · Explore this niche →
Category and tags
- Education
- Agent / copilot
- B2C
- AI-native
- Commercial product
- Android
- iOS
- Education
- Languages
Visit website ↗ Source listing ↗
More like this: all 511 launches in language learning apps →
Could you build this?
Partial While the FSRS spaced repetition and UI can be generated easily, building an interactive real-time voice tutor that constrains its vocabulary dynamically to a user's exact knowledge state requires complex conversational latency handling and audio pipelines.
What it would actually take: Architecture requires a real-time voice pipeline (WebRTC/WebSockets) connected to STT (like Whisper), an LLM with strict vocabulary and grammar constraint prompts, and TTS (ElevenLabs or Azure). The difficult engineering involves sub-500ms voice round-trip latency, audio interruption handling (barge-in), and dynamic vocabulary tracking across multiple languages linked to an FSRS scheduling database.
Competitors
Other products that read as similar to this one : 1023 launches clear the similarity bar, closest 8 shown.
Attention rank: #856 of 1024 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 317 days after the earliest competitor.
- Talkite · ph · 2026-10-31 · 3 upvotes · similarity 0.58
- TellApart · ph · 2026-11-07 · 2 upvotes · similarity 0.58
- Listen · ph · 2026-10-25 · 1 upvotes · similarity 0.56
- SayHowTo · ph · 2026-10-20 · 2 upvotes · similarity 0.55
- EchoPod · ph · 2026-10-05 · 1 upvotes · similarity 0.55
- Spoken English Pro · ph · 2026-11-02 · 2 upvotes · similarity 0.55
- VocabHang · ph · 2026-11-10 · 1 upvotes · similarity 0.54
- StealthVox · ph · 2026-10-26 · 2 upvotes · similarity 0.54
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