🚀 Join the Toppa-AI Beta
Available now for both Android and iOS testers. Choose your platform below to get started.
Android (Google Play)
1. Join our Google Group to gain testing permission.
2. Opt-in on Google Play and download the app.
iOS (Apple TestFlight)
1. Install Apple TestFlight on your iOS device.
2. Tap below to join the Toppa-AI TestFlight beta.
Explore the Intelligence Hub
Smart Material Import
Paste webpage URLs, write your own text, upload documents and photos, import a Google Map location, or choose a classic fairy tale. Toppa-AI transforms any of these sources into custom language lessons.
Automated Vocab & Grammar
AI automatically parses your material, building a custom dictionary of key terms and grammar formulas tailored to your proficiency level (A1 to C2).
Interactive Reader
Read articles directly in the app. Tap any word or phrase to see instant translations, readings (furigana), or save them to your vocabulary list.
AI Coach Chat & Feedback
Discuss your study materials with Sakura, your personal AI coach. Receive instant evaluations on grammar accuracy, spelling, and phrasing recommendations.
Sharpen Your Skills with Taboo
Can you explain a word without using the word itself or related terms? Test your expression limits in our Taboo Description Game. Sakura will guess your word while evaluating accuracy, closeness, and phrasing!