Echo Loop vs Morse Code Go
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Echo Loop
This app uses a science-based, eight-stage spaced repetition system to improve English listening and speaking skills. It guides users through blind listening, intensive listening, sentence repetition, and paragraph retelling, with AI feedback and vocabulary tools.
- Eight-stage spaced repetition learning
- Blind and intensive listening modes
- AI-assisted sentence repetition with feedback
- Paragraph retelling with keyword generation
- Bookmarking for sentences and vocabulary
- Vocabulary flashcard review
- Learning progress tracking
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Echo Loop is a science-based English listening and speaking training app. It helps you turn unfamiliar audio into real understanding and build fluency through repetition and retelling. The app combines a complete listening and speaking training loop with spaced repetition. It automatically schedules review tasks, reminds you to practice, and guides you step by step, so you can focus on listening and speaking instead of managing the process yourself. 【Eight-stage spaced repetition】 Each audio item follows an eight-stage learning cycle: initial learning, same-day review, reviews on Days 1, 2, 4, 7, and 14, and completion on Day 28. The app automatically schedules each review to help turn short-term memory into long-term memory. 【Complete initial learning flow】 The initial learning stage includes four steps: • Blind Listening: Listen to the full audio without the transcript, get the general meaning, and rate the difficulty. • Intensive Listening: Listen sentence by sentence. For difficult sentences, view the transcript and save unfamiliar sentences and words. • Sentence Repetition: Repeat saved sentences with transcript support. The number of repetitions is adjusted based on difficulty, and each recording receives instant AI feedback. • Paragraph Retelling: Listen paragraph by paragraph and retell what you hear in your own words with keywords generated by the app. 【Review stages】 From Day 1 to Day 28, review focuses on blind listening, sentence repetition, and paragraph retelling. Retelling segments gradually become longer, helping you build a stronger link between listening input and speaking output. 【Multiple playback options】 Choose from full audio playback, sentence-by-sentence playback, and saved sentences only. You can also adjust repeat count, pauses between sentences, and retelling length. 【Bookmarked sentences and vocabulary】 • Save difficult sentences with one tap and review them across all your audio materials. • Use a built-in local dictionary with phonetic transcriptions, definitions, pronunciations, Collins star ratings, and exam tags for bookmarked words. • Saved words are linked to their source audio and original sentences, so you can learn vocabulary in context. 【Vocabulary flashcard review】 Review words with flashcards showing the word and pronunciation on the front, and definitions plus the original example sentence on the back. It also supports auto flip, smart sorting, and progress tracking. 【AI-assisted learning】 AI can automatically generate English subtitles. During intensive listening, you can view subtitles, AI translations, and grammar explanations. Subtitles can be shown as full sentences or thought groups, helping you recognize collocations in context instead of memorizing isolated words. 【Learning progress tracking】 Track your study streak, listening input, speaking output, and vocabulary growth. You can also resume anytime from where you left off. 【Free Practice Mode】 Besides the guided learning flow, you can also use Free Practice Mode. You can adjust playback speed, choose whether to show subtitles, and save difficult sentences and words. Import the English audio you want to understand quickly, and start practicing listening and speaking in a more effective way. Subscription Information Your subscription will automatically renew unless canceled at least 24 hours before the end of the current period. You can manage or cancel your subscription anytime in your Apple ID account settings. Payment will be charged to your Apple ID account upon confirmation of purchase. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.echo-loop.top/privacy
Morse Code Go
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Ever wanted to decode secret messages or prepare for a ham radio license? Morse Code Go puts the entire international morse code system at your fingertips - with real audio you can actually hear and learn from. This is the fastest, most beautiful way to master all 36 characters. - LEARN TAB - Explore all 26 letters and 10 digits in a stunning cyberpunk neon grid. Tap any character to instantly hear its authentic morse audio signal. Each dot-dash pattern is displayed clearly so you build visual and auditory memory simultaneously. A HUD-style stats panel tracks your progress. - TRANSLATE TAB - Type any message and watch it transform into morse code in real time. Hit play to hear the full sequence as authentic audio signals. Text-to-speech pronunciation reinforces what you learn. Perfect for practice or sending fun encoded messages to friends. - AUTHENTIC AUDIO ENGINE - Every signal is generated at 700 Hz with precise dot-dash timing - the same frequency used by real telegraph operators. No generic beeps - this is the real thing. - WHY YOU WILL LOVE IT - - 100% offline - works anywhere, anytime, no internet needed - Zero data collected - your privacy is absolute - No ads, no subscriptions, no accounts - One-hand optimized portrait interface - Dark cyberpunk theme with neon glow that makes learning addictive Whether you are studying for an amateur radio exam, building survival skills, or simply fascinated by this 180-year-old communication system - download now and start sending your first message in minutes.
Screenshots
Verdict
The clearest difference is update cadence: Echo Loop at every 5 days against Morse Code Go's every 4 weeks. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Echo Loop ships an update every 5 days, Morse Code Go every 4 weeks. The most recent releases landed on September 23, 2026 and June 25, 2026 respectively.
| Parameter | Echo Loop | Morse Code Go |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (6 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 5 days — better | Every 4 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 164 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Hangzhou Fengchen Hangqi Management Consulting Co., Ltd | 晓 郭 |
In-app purchases
Echo Loop
No in-app purchases
Morse Code Go
No in-app purchases





