Comparison

ecoute.io vs Shadow Flow

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

ecoute.io

Features
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Ecoute turns any audio content into a language lesson. Podcasts, audiobooks, interviews โ€” dive into authentic content and progress naturally, ad-free. Interactive transcript โ€” follow every word in real time and tap to see instant translation and grammar info Smart flashcards โ€” save the words you discover and review them with a spaced repetition algorithm that optimizes your memorization Adjustable speed โ€” slow down or speed up audio to match your level Distraction-free โ€” no ads, no interruptions, just you and the language Whether you're just starting out or looking to sharpen your skills, Ecoute helps you learn the way languages are meant to be learned: by listening. Download Ecoute and start learning today.

About

Shadow Flow

Features
Read full description

Learn Languages with Videos Turn videos into an interactive language learning experience. Shadowflow helps you improve listening, speaking, pronunciation, vocabulary, and shadowing using synchronized subtitles and AI-powered speech analysis. Learn naturally from authentic conversations instead of traditional textbooks. Whether you're learning English, Japanese, Chinese, Korean, Spanish, or many other languages, every video becomes your personal language lesson. Key Features Learn from Real Videos Practice with authentic videos and perfectly synchronized subtitles to learn how people actually speak. AI Pronunciation Assessment Record your speech and receive instant pronunciation feedback. For English, Shadowflow provides: * Pronunciation Score * Fluency Score * Rhythm Score * Stress Analysis * Completeness Score Understand not only what needs improvement, but also how to improve. Phoneme-Level Pronunciation Feedback (English) Go beyond basic speech recognition. See exactly which English sounds need practice with: * IPA pronunciation * Individual phoneme analysis * Articulation guidance * Pronunciation tips Focus on the sounds that matter and improve more efficiently. Interactive Subtitles Follow subtitles in your preferred language and understand every sentence more easily. Instant Word Definitions Tap any word to instantly view its meaning without interrupting your learning. Build Your Personal Vocabulary Save new words and definitions for later review, and build a vocabulary library that grows with you. Replay Any Sentence Repeat difficult sentences instantly to improve listening, pronunciation, and speaking confidence. Record and Compare Your Speech Practice sentence by sentence. Compare your pronunciation with the original audio and receive AI-powered feedback after every recording. Save Useful Sentences Bookmark useful expressions, vocabulary, and example sentences for future review. Build Your Personal Speaking Library Keep your recordings together with saved sentences to review your progress anytime. Smart Playback Controls Learn at your own pace with: * Pause * Replay * Slow playback * Jump between subtitles Track Your Progress Stay motivated with: * Learning streaks * Practice goals * Speaking history * Vocabulary growth Privacy First Your recordings stay on your device. * Audio recordings are stored locally. * No account is required for speaking practice. * Your learning data remains under your control. * Practice with confidence knowing your recordings stay private. Perfect For * Learning English and other languages * Shadowing * Listening comprehension * Speaking fluency * Vocabulary building * Everyday conversations Why Choose Shadowflow? * Learn from authentic videos * AI-powered pronunciation assessment * English phoneme-level pronunciation feedback * Interactive subtitles with instant word definitions * Save words, sentences, and recordings * Improve listening and speaking together * Shadow native speakers naturally * Supports multiple languages * Works without creating an account Start learning with videos today and turn every sentence into an opportunity to speak with confidence.

Screenshots

ecoute.io4 screens
Shadow Flow4 screens

Verdict

The call

The clearest difference is update cadence: Shadow Flow at every 9 days against ecoute.io's every 3 weeks. ecoute.io's advantage is iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ecoute.io ships an update every 3 weeks, Shadow Flow every 9 days. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

Scorecard2 real differences ยท 4 level
ecoute.io versus Shadow Flow: the parameters behind the verdict, then further details
Parameterecoute.ioShadow Flow
PriceFreeFree
Update frequencyEvery 3 weeksEvery 9 days โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 โ€” better17.6
Further details โ€” not scored
Size13 MB100 MB
Age rating4+12+
DeveloperJobs AroundHOI TAI CHENG

In-app purchases

None

ecoute.io

No in-app purchases

None

Shadow Flow

No in-app purchases

Questions

Is ecoute.io free?
ecoute.io is free to download, with no in-app purchases.
Is Shadow Flow free?
Shadow Flow is free to download, with no in-app purchases.
Do ecoute.io or Shadow Flow have ads?
Neither ecoute.io nor Shadow Flow shows ads.
Which is updated more often, ecoute.io or Shadow Flow?
ecoute.io ships an update every 3 weeks, and Shadow Flow every 9 days. Most recently, ecoute.io was updated on October 31, 2026 and Shadow Flow on November 5, 2026.

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