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Ttobak Ttobak is an AI pronunciation correction app developed for toddlers, children, and adolescents who have difficulty with language development.

Utilizing cutting-edge speech recognition and AI voice analysis technologies, it helps you compare your pronunciation with standard pronunciation and correct it accurately.

Developed with the support of various organizations, it is a social contribution app provided completely free of charge.

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📚 Key Features

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🗣 Speaking Basics

Listen to vowel sounds, look at the pronunciation tips, and repeat after them.

It guides you on mouth shape and tongue position to build a foundation for accurate pronunciation.

🔢 Number Expressions

Practice reading and pronouncing numbers (zero/one/two/hundred/thousand, etc.) step-by-step.

It naturally helps you develop the habit of pronouncing numbers correctly.

💬 Sentence Expression

You listen to and repeat essential sentences by category (verbs, tenses, word order, negatives, and questions) to correct your pronunciation.

The content is structured around sentences frequently used in real life.

🎤 Pronunciation Correction

Listen to standard pronunciation, record yourself, and compare it using waveforms.

You can visually check the difference between your pronunciation and the standard pronunciation.

⚡ Fast Analysis

Immediately after recording, the AI ​​quickly analyzes your overall accuracy and provides a score.

🔬 Precise Analysis

It meticulously analyzes the accuracy of each individual phoneme (consonant and vowel).

It suggests phonemes that need improvement along with specific correction methods.

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✨ Features of Ttobakttobak

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✔ Completely Free — You can use all features for free without ads. ✔ AI Voice Analysis — Precisely evaluates pronunciation using cutting-edge speech recognition technology.

✔ Step-by-Step Learning — Systematically structured from basic pronunciation to sentence expression.

✔ Visual Feedback — Intuitively grasp the characteristics of your pronunciation by comparing pronunciation waveforms.

✔ Personalized Improvement Suggestions — AI identifies areas for improvement and guides you on how to practice.

✔ Child-Friendly Design — Cute characters and bright colors enhance learning interest.

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👶 Recommended for:

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- Children with inaccurate pronunciation or slow language development

- Children and adolescents lacking confidence in speaking

- Parents who want to help their children develop accurate pronunciation habits

- Teachers and therapists who need speech therapy aids

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📌 Notice

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This app does not replace medical or therapeutic services; please use it as an aid for pronunciation learning.

Privacy Policy: https://daonsolutions.co.kr/privacy/ttobakttobak_privacy_policy.html

Inquiries: privacy@daonsolutions.co.kr