英語シャドーイング AI発音添削 | シャドマス

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About this app

[Cost-effective, accurate shadowing practice]

Free trial of some content! Cost-effective, serious learning with AI-based shadowing correction. This app for improving your English shadowing and listening skills starts at ¥1,750 per month.
Thoroughly train phrases that can be used in real conversation situations by combining shadowing and listening. Practice shadowing to prepare for TOEIC listening, familiarize yourself with English conversation listening, and improve your pronunciation, all in one app.

[The Benefits of Shadowing + Listening]
- Master sound connections with shadowing and solidify your listening comprehension with listening.
- Reproduce sound changes such as linking and reduction with shadowing and confirm them with listening.
- Speed ​​up the pronunciation → listening comprehension → vocabulary → conversation cycle with shadowing and listening.

[Service Features]
■ Cost-effective, serious shadowing + listening
AI automatically scores your pronunciation, highlighting weaknesses in shadowing and missed listening points. Streamline your daily shadowing and listening practice with accuracy close to that of a human.

■ Shadow and listen anytime, with just your smartphone.
Shadow quickly and instantly check your listening comprehension—whether it's on your commute to work, school, the gym, a cafe, or before bed. Master your skills with a three-step process: shadow, listen, and shadow again.

■ Extensive shadowing and listening materials, from basic to practical.
Designed for beginner to advanced levels. Practice the basics, such as syllables, stress, and weak forms, with shadowing, and master listening to news, business, and everyday conversations. Ideal for TOEIC, EIKEN, and IELTS listening practice.

[Learning Flow (Recommended Usage)]

Listening: Hide the script to get a rough grasp of the meaning.

Shadowing: Trace the pronunciation with the script displayed.

Listening: Listen again and check your comprehension.

Shadowing: Focus on shadowing weak parts.

Listening: Increase the speed to train your ear. Repeating this process will mutually improve your shadowing and listening skills.

[Feature List]
● Shadowing-Specific UI: Text is highlighted in sync with the native audio. Always know your position during shadowing and simultaneously aid in listening comprehension.
● Sound Change Markup: Displays phrases such as "want to" → "wanna" and "going to" → "gonna." Shadowing allows for replay and listening reinforces awareness.
● Speed ​​Adjustment: Practice in stages at 0.7-1.2x speed. Beginners can rest assured, and advanced shadowers can push the envelope at higher speeds.
● AI Correction: Real-time evaluation of shadowing pronunciation. It highlights weak points in vowels, consonants, and intonation, helping you clarify your goals for the next listening test.
● Score and History: Save your shadowing and listening scores. See your progress and keep practicing.
● Word and Phrase Dictionary: Save expressions you didn't understand with one tap. Use it to review your shadowing and listening.

[Recommended Use Cases]
◆ TOEIC Listening
Shadow frequently used expressions for each part and listen for practice. Practice shadowing based on the question pattern, then repeat listening at actual speed for effective results.

◆ Conversational English Immediacy
English requires rapid response. Shadowing helps you get used to speaking, and listening helps you quickly grasp the other person's intentions. Daily mini-shadowing and mini-listening sessions are effective for short-term intensive practice before a business trip or study abroad.

◆ Business English
Shadow meeting, presentation, and negotiation scripts and listen for key points. Solidify key phrases by shadowing, listening, and practicing.

◆Pronunciation Correction
Practice r/l, th, weak consonants, and intonation thoroughly through shadowing. Improve your listening skills simultaneously by looping recording, AI scoring, and re-shadowing.

[Frequently Asked Questions]
Q. I'm a beginner. Is shadowing difficult?
A. Start by listening to short audio clips at a slow speed, then shadowing with a script, then re-listening. Once you're comfortable, increase the speed and length and move on to full shadowing.

Q. I'm not good at listening.
A. First, move your mouth and create the sound structure through shadowing, then check it by listening. This makes things dramatically easier.

Q. How long do I need to continue to see results?
A. 10-15 minutes of shadowing per day plus 5-10 minutes of listening per day for two weeks. Many users have experienced improvements in their listening comprehension and shadowing fluency.

[Sample Practice Menu]
- Monday-Friday: Shadow 3 passages for 3 minutes each on your commute, then listen to the same material after returning home.
- Weekend: Intensive shadowing of long passages for 30 minutes, followed by 15 minutes of double-speed listening the next day.
- Right before the exam: Focus on shadowing weak areas, then check your listening comprehension with questions.

[Sample Content]
- Everyday Conversation: Shadow greetings, requests, proposals, and refusals → Listening.
- Travel: Shadow airports, hotels, and restaurants → Listening.
- Business: Shadow standard phrases used in meetings, emails, and presentations → Listening.
- Academic: Shadow lectures and TED-style speeches → Listening.

[Pricing Plans]
All plans include AI corrections, shadowing, and listening features.
- 1-Year Plan (Recommended): ¥1,750 (tax included) per month.
- 6-Month Plan: ¥2,250 (tax included) per month.
- Monthly Plan: ¥2,400 (tax included).
Some content is available for a free trial.

[Encourage Consistency]
・Achievement Badge: Number of consecutive days of shadowing
・Notifications: Reminders at optimal times.
・Micro-Learning: Promotes short mini-shadowing and mini-listening sessions.
・Repeated shadowing practice: Auto-repeat background playback.

[Recommended for]
・Those who want to seriously practice shadowing and listening.
・Those who want to quickly improve their TOEIC listening scores.
・Those who want to naturally improve their English conversation skills.
・Those who want to use a wide range of shadowing and listening materials.
・Those who want to learn shadowing and listening in their spare time.
・Those who want to objectively assess their shadowing pronunciation and listening ability with AI corrections.
・Those who want to get closer to native pronunciation.
・Those who want to progress from beginner to advanced with shadowing and listening practice.
・Those who want to overcome "difficulty understanding" and "lack of confidence in pronunciation" by using shadowing. Those who want to overcome their language deficiencies through shadowing and listening practice.
・Those who want to use shadowing and listening apps while commuting to school or work.
・Those looking for a "shadowing" or "listening" app.
・Those looking to solidify their foundation before studying abroad: Improve their pronunciation through shadowing and hone their listening skills for future use.
・Those facing English interviews or job hunting: Practice answering questions through shadowing and improve their listening skills to understand questions accurately.
・Businesspeople who travel frequently abroad: Improve their ability to respond quickly in meetings and business negotiations by repeatedly shadowing and listening in short bursts.
・Those looking to enjoy traveling abroad: Practice commonly used phrases through shadowing and improve their ability to understand English spoken at airports and restaurants through listening.
・EIKEN/IELT For those preparing for qualification exams like the S or TOEFL: Improve your pronunciation and sense of word order through shadowing and test your skills with mock listening practice.

For those learning English in between childcare or housework: Study efficiently with a few minutes of shadowing practice and light listening review.

For those looking to make daily study a habit: Stay motivated with scores and badges and make shadowing and listening a part of your daily routine.

For those looking to get used to native speaker speed: Listen at normal speed, then accelerate with faster playback, and finish with shadowing.

For those looking to improve their pronunciation: Use AI corrections to practice with shadowing and check for areas for improvement with listening.

For beginners: Start with slow listening and then shadow short sentences. Those who want to solidify their pronunciation through shadowing.
・Intermediate and above: Those who want to use challenging materials and aim for native-level fluency through shadowing and listening practice.
・Those who use English in remote work or online meetings: Those who want to shadow meeting materials or scripts and get used to listening to real conversations.
・Those who have an upcoming English presentation: Those who want to practice their presentation manuscript by shadowing and improve their listening skills in preparation for Q&A.
・Those who want to watch foreign dramas and movies without subtitles: Those who want to shadow the dialogue and listen to the same scene repeatedly to understand it.

[Other]
This app is a shadowing app specializing in English shadowing, and also a listening app for improving your English listening comprehension. It covers a wide range of listening practice options, including shadowing practice with English audio, shadowing conversational material, shadowing news material, continuous shadowing training like talking to yourself, English listening for confirmation, listening at high speed, and fragmented listening. If you're not good at shadowing, start with short sentence shadowing. If you're not good at listening, start with slow-motion listening. By simply practicing shadowing and listening every day, you'll absorb the rhythm and intonation of English, improve your listening comprehension, and become more fluent in shadowing.

[Terms of Use & Privacy]
Terms of Use: https://shadomas.com/terms

Privacy Policy: https://shadomas.com/privacy

[Finally]
Download now and upgrade your daily English learning with shadowing and listening. Improve your English in the quickest way possible with the classic combination of shadowing and listening.
Updated on
Mar 14, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Audio
This app may collect these data types
Personal info, Audio, and App info and performance
Data is encrypted in transit
You can request that data be deleted

What’s new

・バックグラウンド再生が途中で止まる不具合への対応

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About the developer
daichi kuwabara
eleventeam83@gmail.com
2-28-15,Nozawa Setagaya-Ku, 東京都 154-0003 Japan