ProfPao English
Learn English for Thai speakers, from basic grammar to advanced vocabulary. Study anywhere, anytime — even with no internet connection. Featuring Salapao, your friendly mascot study buddy.
Who ProfPao English is for
Whether you're just starting out or aiming for professional fluency, there's a learning path for you.
Complete beginners
Build the grammar foundations you need and learn everyday vocabulary, with step-by-step exercises that never feel overwhelming.
Learners who can already get by
Level up to more complex sentence structures, practice speaking in real-life situations, and expand into specialized vocabulary.
Learners chasing fluency
Dive into advanced vocabulary and idioms, and fine-tune pronunciation and usage until it feels natural.
Why ProfPao English
Everything you need to learn English, in one app
📚 Learning content
Complete grammar lessons
Nouns, verbs, verb forms, sentence structure, tenses, collocations, reading comprehension, and business English — with instant practice exercises.
20,000+ word dictionary
Look up words with translations, example sentences, and audio pronunciation. Filter by part of speech or CEFR level.
New! Full Japanese language support
The menu and every screen now work in Japanese, with Japanese translations for every dictionary word and every example sentence in the grammar lessons.
✍️ Practice and testing
Smart vocabulary review
Remember words more effectively with a Spaced Repetition system — review with flip cards or 4-choice quizzes, whichever you prefer.
Build your own custom decks
Group specialized vocabulary you want to focus on into a Custom Deck and review it separately from the main word list.
Speaking practice with pronunciation check
Practice real sentences and get your pronunciation checked with speech-to-text technology.
CEFR level test
Assess your current English level and get recommendations on which lesson to start from.
🏆 Motivation to keep going
Motivation to keep learning
Earn XP, keep your streak alive, unlock badges, and take on daily challenges.
Home screen widget
See your streak and word of the day in real time, without opening the app.
🔒 Privacy and convenience
100% offline
All content lives on your device — no internet connection needed while you study.
No personal data collected
No account system, no login. Your progress is stored only on your own device.
Back up and export your data
Export your progress as JSON/CSV or send it to Anki — never lose your progress when switching devices.
Get started in 4 easy steps
No guessing where to begin — the app builds your learning path automatically.
Take the level test
Assess your current CEFR level in just a few minutes, at no cost.
Get your personalized path
The app recommends lessons and vocabulary matched to your level and goals.
Study and practice daily
Work through grammar lessons, review vocabulary with Spaced Repetition, and practice speaking with pronunciation checks.
Track your progress
Earn XP, keep your streak alive, and watch your growth through in-app stats.
Every level, covered — the CEFR standard
The international framework used to measure language proficiency worldwide, from complete beginner to native-like fluency.
Understands and uses simple everyday phrases.
Communicates directly on familiar, routine topics.
Handles most situations while traveling or at work.
Converses with native speakers fairly naturally.
Uses English fluently in academic and professional settings.
Uses English with nuance close to a native speaker.
Real app screenshots
Every image is a real screen from the app available today — not a design mockup.
Start learning instantly
No sign-up needed — open the app and pick up right where you left off.
Grammar explained simply
Every lesson has plain-language explanations, example sentences with audio, tips, and common mistakes to avoid.
Practice right after each lesson
A variety of exercise formats, with a hint button whenever you get stuck.
Built-in dictionary
Look up 20,000+ words with example sentences, audio, and CEFR-level filters.
New! Full Japanese language support
The menu, settings, and every screen now work in Japanese — not just a partial interface translation.
Japanese translations for every word and sentence
All 20,000+ dictionary words and every grammar lesson are fully translated into Japanese — not a partial translation.
Track your progress in detail
See your streak, accumulated XP, and words mastered, broken down by CEFR level.
Easy-on-the-eyes dark mode
Study comfortably in low light or right before bed.
Frequently asked questions
Is ProfPao English free?
Yes, 100% free to learn. The app shows some ads to support development, but they never appear during exercises or vocabulary review.
Do I need to sign up or log in?
No. The app has no account system — all your progress is stored only on your own device.
Does it really work without internet?
Yes. All content — lessons, dictionary, and the vocabulary review system — is stored on your device from install, so you don't need a connection while studying.
Is my learning data safe?
Yes — nothing ever leaves your device. See the full Privacy Policy for details.
What devices are supported?
Currently available on Android via Google Play.
Can children use it?
Yes — the app always configures ad display to be age-appropriate under Google Play Families and COPPA policy.
Ready to start learning English?
Download it free today — no sign-up, start learning right away.
Get it on Google Play