Your personal AI teacher for Physics, Chemistry & Maths doubts
Free AI character chat and roleplay with no sign-up
Stage
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Founded
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Based in
IN
SG
Pricing model
Freemium
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Pricing
Starter ₹199, Pro ₹499, Annual ₹2999
Free: Hojicha unlimited, 3 Matcha replies a day in most countries, free and unlimited direct messages with any character, short ads. Teasa Basic: $9.90 per month, no ads, 1,000 Matcha replies a week. Teasa Pass: $14.99 per month at beta price (or $4.99 per week), Matcha and Earl Grey unlimited, web
Key features
Photo or text doubt upload
AI step-by-step whiteboard video
Physics Chemistry Maths diagrams
Follow-up question asking on each step
Quick self-assessment checks
Mistake Doctor for marking student solutions
Interactive lab with 30+ simulations
Doubt Diary organized by topic
Chapter-wise practice questions
Multi-language support including Hinglish and Hindi
Play interactive stories with multiple AI characters in a cast
Direct message any AI character one-on-one
Relationship milestones track connection progress with characters
Creator-written quests earn up to 50 gold per story
Four chat styles: Hojicha, Matcha, Earl Grey and Oolong
Character voices with 2-4 hours monthly on paid plans
Create your own AI characters and stories in Creator Studio
Import Character.AI chats and characters
Web lookup for characters to search and share sources
Play 4,137 stories in English across 9 languages
What makes it different
Narrated whiteboard videos drawn directly on the student's question figure
Mistake Doctor identifies exactly where solutions go wrong and explains the fix
Interactive simulations for hands-on learning with real formulas
Bilingual voice narration in Hinglish and English across 9 languages
Doubt Diary tracks weak chapters by topic for revision
No sign-up required to start playing
Completely free with unlimited direct messages
Characters remember you and grow closer through relationship milestones
Interactive stories with player agency and multiple characters
Doubtclip
Teasa