EchoDeck
For solo creators & small media teams

Turn native audio into flashcards & shadowing practice

Paste a transcript or drop in subtitles, and EchoDeck builds study-ready flashcards and timed shadowing loops — then score your pronunciation, auto-write card backs with AI, and share or discover decks in the marketplace.

Try a sample deck → Start free See how it works

No signup to try · No credit card required · Free plan included

#1 · ⏱ 0:00–0:04 · fill in the blank
▶ Shadow loopReveal
今日は天気がいいです。 — The weather is nice today.
#2 · ⏱ 0:09–0:13 · 🎤 pronunciation 92%
▶ Shadow loop🎤 Shadow & score✨ AI fill
It might rain this weekend. — auto-filled by AI

Everything you need to study from audio

From raw recording to a polished, repeatable study deck — in minutes.

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Ingest any transcript

Timestamps, SRT/VTT subtitles, or plain text. Each line becomes a flashcard with a real audio shadowing loop.

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Shadowing & spaced repetition

Loop each segment at adjustable speed, then review with an SM-2 scheduler that surfaces exactly what's due.

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Pronunciation feedback

Record yourself shadowing a card and get a word-by-word score — with a suggested review grade. The feedback shadowing always needed, right in the browser.

AI card backs

One click fills a card's back with a natural translation plus a short grammar note and example — or auto-fill an entire deck at once.

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Cloze & auto-blanks

One click turns sentences into fill-in-the-blank cards for active recall — editable any time.

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Study dashboard

Track retention, streaks, daily activity, and a 7-day due forecast so momentum never slips.

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Deck marketplace

Publish decks to a public, searchable catalog — or install community-made decks into your own workspace in one click.

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Share with your audience

Publish any deck to a clean public link — your followers study and export without seeing your schedule.

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Team workspaces

Invite teammates with admin / editor / viewer roles and collaborate on the same decks.

Simple, honest pricing

Start free. Upgrade when you're ready — cancel anytime.