AI English Pronunciation Tool — Free-Form Practice

Practise any English phrase.
Get AI scored instantly.

Choose from 1,920 English phrases across 40 packs, arranged as 960 question-and-answer sets (CEFR A to B1). Listen to the native speaker, record yourself, and get an AI pronunciation score — one credit per attempt.
A teacher smiling as she practises English on her phone, with students sitting behind her
Say any phrase and get your score straight away
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Pay once — credits never expire · Works on any device
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How the English Voice Lab works

3 steps. Any English phrase. Instant AI score.

  1. Listen
    Hear the native English speaker
  2. Record
    Speak the phrase yourself
  3. Score
    AI grades your English pronunciation
See all the details
✓1,920 real-life English phrases across 40 packs, arranged as 960 question-and-answer sets — practise any time, in any order
✓Covers the full CEFR range — from Beginner A to Intermediate B, so you always have a phrase at your level
✓Every phrase includes an avatar lip-movement demo, Thai translation, and Thai-script phonetic guide — see exactly how each English sound should be formed
✓AI pronunciation scoring with specific corrections (Google STT/TTS) — not just a star rating, but which sound was off
✓1 credit per attempt — retry as many times as you like to improve your score
✓Credits never expire — buy once, use whenever you want
✓Online practice only — no offline Epub Learn English lesson book (for that, see the Lesson Player course)
✓Full history & progress tracking in your personal dashboard
Voice Lab vs Lesson Player. The Lesson Player is the structured course — you work through 48 phrases per pack in order, with an offline Epub Learn English lesson book. Voice Lab is where you practise freely: pick any of the 1,920 English phrases, in any order, and test yourself. Both use the same library and the same AI scoring.

See Voice Lab at work — tap a phone to play the clip

Short clips from the real screens. The on-screen explanations are in Thai.

Voice Lab or Lesson Player? See the comparison

Voice Lab or Lesson Player?

Both use the same 40-pack, 1,920-phrase English library. Pick based on how you want to learn.

FeatureLesson PlayerVoice Lab
40 packs · 1,920 English phrases✅✅
Structured order (Scene 1 → Scene 2)✅— Free-form
Offline Epub Learn English lesson book with full audio✅ One per pack— Online only
AI pronunciation scoring (Google STT/TTS)✅✅ + corrections
Avatar lip-movement demo✅✅
Thai translation + Thai-script phonetic guide✅✅
Frequently asked questions
How is Voice Lab different from the Lesson Player?
The Lesson Player is the structured course — you work through 48 phrases per pack in order, with an offline Epub Learn English lesson book included. Voice Lab is where you practise freely: pick any of the 1,920 English phrases from any of the 40 packs, in any order, and test yourself with AI scoring. Both use the same library and the same AI engine.
What level of English do I need?
You can start from absolute Beginner A all the way to Intermediate B (CEFR). The phrase library spans every level, so you can pick phrases that match where you are right now — no prior English required.
Do credits expire?
No. Credits you buy never expire. 1 credit = 1 pronunciation attempt. Buy once and use whenever you want — no monthly reset, no auto-billing.
Does Voice Lab include the offline Epub Learn English lesson book?
No. Voice Lab is online practice only. For the downloadable Epub Learn English lesson book with full audio, Thai translation, and Thai-script phonetic guide, see the Lesson Player — every pack there bundles one.
Does it work on mobile?
Yes. Voice Lab works on any device — phone, tablet, or computer. It uses your device's microphone to record your pronunciation for AI scoring.
Do I need a monthly subscription?
No. Voice Lab runs on prepaid credits — no monthly fee. You top up only when you want to practise. Ideal if you study casually, or want to try a few phrases before committing to a larger pack.

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