About this app
Rainy is your immersive AI tutor — not just for solving problems, but for chatting, practicing, and growing with you every day. AI COMPANION CHAT Choose a gentle or feisty personality and chat with Rainy anytime — ask questions, get encouragement, and just talk about your day. PHOTO HOMEWORK HELP Stuck on a problem? Snap a photo and get an instant, step-by-step explanation. Still confused? Just ask a follow-up question and Rainy will walk you through it. SPEAKING PRACTICE Practice real conversations — ordering at a restaurant, shopping, asking for directions, introducing yourself. Rainy speaks, then it's your turn automatically. Get instant pronunciation feedback and track your progress over time. DAILY QUESTS Review vocabulary, practice one conversation, solve a few problems — complete your daily quest to build a study streak and a real learning habit. STATS & SHARING See your study time, problems solved, and vocabulary learned at a glance, and turn your progress into a shareable card. Supports learning in Chinese, English, Japanese, and Korean — whether you're prepping for an exam, building conversation skills, or just trying to study a little every day, Rainy is right there with you.
Latest release
What’s New
Fix some software bugs
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 21, 2026 · 2:42 PM Free
Screenshots
