Free AI tools you can use anonymously, no sign-up required
Your personal AI teacher for Physics, Chemistry & Maths doubts
Stage
Not given
Not given
Founded
Not given
Not given
Based in
AU
IN
Pricing model
Freemium
Freemium
Pricing
Open tier: free, unmetered text chat during launch phase. Pro: $19 per month with generous daily allowance. Max: $39 per month with video generation (300 seconds per month included).
Starter ₹199, Pro ₹499, Annual ₹2999
Key features
Image generation and editing
Video generation from text or images
Text-to-speech and audio transcription
Code writing, debugging and conversion
Writing tools for emails, resumes and content
SEO and keyword research tools
Support for 80+ languages
No tracking or data storage
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
What makes it different
Genuinely free with no sign-up, account or credit card required
Private by default with no tracking or data storage after sessions end
Available worldwide in 130+ languages with no region lock
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
Doubtclip