Act Study vs Obo | One By One

For technical intern trainees who want to work in Japan, we have made it possible to study Japanese on mobile! You can access the app from your phone anytime, anywhere, and study Japanese with videos, tests, etc.

Master Japanese with ObO - Your Personal Language Learning Companion ObO makes learning Japanese simple, effective, and enjoyable. Whether you're preparing for JLPT, planning a trip to Japan, or just starting your language journey, ObO adapts to your learning style. KEY FEATURES: • Smart Spaced Repetition (FSRS v5) - Learn efficiently with scientifically-proven algorithms - Cards appear exactly when you need to review them - Track your progress with detailed analytics • AI-Powered Smart Add - Generate flashcards instantly with AI - Enter words or describe topics in your own language - Save time creating study materials • Perfect for Beginners - Step-by-step Hiragana & Katakana guide - Interactive kana practice with immediate feedback - Beginner-friendly onboarding walks you through everything • Flexible Study Options - Ready-made template decks (JLPT N5-N3) - Import your Anki decks - Create custom decks for any topic - Grammar, vocabulary, kanji - all in one place • Beautiful & Intuitive - Clean, distraction-free interface - Dark mode support - Smooth animations - Designed for daily study habits • Premium Features - AI Smart Add with generous free quota - Premium decks curated by experts - Priority support - Unlock unlimited potential LEARNING PATHS: For JLPT Students: Complete decks from N5 to N1 with thousands of essential words and grammar points. For Travelers: Quick study packs with practical phrases for dining, transportation, shopping, and emergencies. For Anime/Manga Fans: Learn the Japanese you hear in your favorite shows and read manga in the original language. For Serious Learners: Advanced customization, grammar analysis, and comprehensive study tracking. WHY OBO? • Offline-first: Study anywhere, anytime • No ads interrupting your learning • Privacy-focused: Your data stays yours • Regular updates with new features • Responsive support team Start your Japanese learning journey with ObO today. Whether you're studying 10 minutes a day or several hours, ObO helps you make consistent progress toward fluency. Download now and get started for free!