★ Free · iOS & Android · CEFR A1 → C2
"Be your own critic. Shadow, listen, improve."
Echo Fluency builds real speaking confidence through hands-free shadowing, training your rhythm, pitch, and muscle memory. Flashcards, a full CEFR grammar guide, and vocab games tie everything into one daily program.
Best for learners with basic English already (A1+). Already learning Japanese? Try the Japanese track →
Most apps drill a single skill and leave the rest to you. Fluency Tool builds four in parallel, and each one sharpens the others.
Listen to a native sentence, repeat it, hear yourself, get graded. The full hands-free loop. Sentences you struggle with re-queue automatically.
Anki's algorithm. Rate cards Again, Hard, Medium, Easy, and the system schedules each word for the perfect moment.
Every grammar pattern from A1 through C2 with native audio on every example. Tap to take an interactive quiz. Status tracks Learning, Reviewing, Mastered.
Speed Tap, matching, and Fever Pitch, all built from your own decks. The same words, reinforced through different mechanics.
Shadowing is what professional language learners do: listen to native audio and immediately repeat it. Echo Fluency is a hands-free pronunciation trainer that automates the whole cycle.
I would like to order a coffee, please.
/aɪ wʊd laɪk tuː ˈɔːrdər ə ˈkɒfi pliːz/
Used when: ordering at a café or counter.
A CEFR-graded sentence appears. High-quality cloud TTS plays the native audio. You listen.
The microphone opens automatically after playback. Just repeat. No tapping.
You hear yourself immediately. The gap between you and the native model becomes obvious, and that's where the improvement happens.
Speech-to-text grades your pronunciation. ✅ Correct → next sentence. ❌ Incorrect → re-queued until you nail it.
Master a sentence five times and the review interval multiplies by 4×, unlocking the next mastery tier. Time goes to what needs work, not what you already own.
Near-native fluency · nuanced expression & idiom
Fluent, spontaneous · complex topics
Independent · detailed discussion
Everyday conversation & routine matters
Simple, direct exchanges on familiar topics
Six CEFR levels total, from absolute beginner to near-native mastery. Your Roadmap tracks real progress across all of them.
SM-2 spaced repetition, the same algorithm powering Anki, surfaces each card at the perfect moment. Zero time on words you already know.
Resets to Learning. Short interval. Ease drops.
Interval shrinks. Stays in Learning. Ease drops.
Standard SM-2. Interval × ease factor.
Interval extends further. Ease rises. Heads weekly.
No guesswork. No decision fatigue. The Dashboard tells you where you stand and what needs attention right now.
Sentences completed vs. your daily target. Progress bar turns green when you hit your goal. Cards-due count always visible.
Bar chart of daily completions over the past 7 or 30 days, with your goal line. Visualize consistency at a glance.
Horizontal bar chart of remaining new sentences across all CEFR levels. Your current position highlighted.
Configurable daily notifications keep your streak alive. Set once and forget.
CEFR level, sentence length, TTS voice, sentence speed, recording mode, dark mode, all adjustable per session.
Firebase-backed backup for decks and SRS progress. Restore on any device in one tap. Anonymous auth, no account needed.
Set your level to A1 or A2. The beginner course covers foundational vocab and everyday phrases.
All content is organised by CEFR level. Drill the patterns and vocabulary that actually come up in speaking assessments.
Echo Fluency was built for exactly this. You already have the vocabulary. Your mouth just needs to catch up with your eyes.
Practice the rhythm and pronunciation of professional, everyday English, five minutes at a time.
The A1 beginner course includes a survival track: essential phrases for travellers who need practical English fast.
Echo Fluency at native speed, complex grammar, idiomatic expression. The Roadmap shows which levels still need work.
Echo Fluency trains speaking from the inside out: muscle memory, natural rhythm, real pronunciation. Core app is free. Download takes 30 seconds.
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Real screens. Clean, distraction-free, built for focused daily sessions.
Fluency Tool's overall rating across every track. English-track reviews are just getting started — check back soon.
Everything you need to know before you download.
Fluency Tool's Japanese track uses the exact same Echo Fluency engine, graded across JLPT N5 through N1.
Download Fluency Tool. Do your daily Echo Fluency sessions, clear your flashcards, build real speaking confidence.
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