Master Thai vocabulary with an adaptive learning system. It introduces new words, quizzes you with spaced repetition, and offers various practice modes including alphabet drills. Track your progress from beginner to advanced levels with detailed stats and achievements.
1.7
September 18, 2026
Obby Thai is now free to try: download free, learn the starter vocabulary, and unlock all 6,161 words with a single purchase. Bought the app before? You keep everything, forever — the full app is yours automatically.
MoreObby Thai uses a quiz-first approach with smart spaced repetition (FSRS) to introduce and reinforce vocabulary. It adapts to your performance, introducing new words at the right moment and bringing them back just before you forget them.
Progress is tracked via a knowledge bar showing known words and CEFR level (A1-C2). It also includes streaks, word goals, and 71 achievements to mark vocabulary growth.
Yes, Obby Thai works 100% offline. All words and audio clips are included within the app, so no internet connection is required after installation.
You can learn Thai from English, French, Russian, Spanish, German, or Italian. The app provides a Romanized pronunciation guide that can be shown, tapped to reveal, or switched off.
No, Obby Thai is ad-free. The developer states it is an honest app with no ads, subscriptions, or in-app purchases.
Obby Thai is a one-time purchase priced at $2.99. The developer emphasizes a 'pay once, own it forever' model with no recurring fees.
Yes, Obby Thai starts everyone at CEFR level A1 and adapts the pace to your actual performance. It covers the full CEFR range from A1 to C2, making it suitable for all levels.
The latest version of Obby Thai is 1.6, which was released on August 5, 2026. The app was last updated on the same date, indicating recent development activity.
