Homework help that actually teaches.
Hi! I’m Mr Jarven.
50,000+ students · 4.8/5
Everything a tutor would do, on your schedule.
AI chat tutor
Ask anything, in any subject. Mr Jarven explains the reasoning instead of handing over the answer.
Photo a problem
Snap a textbook page or whiteboard. Mr Jarven reads it and walks you through the solution.
Talk and listen
Speak your question out loud instead of typing, and have the answer read back in a natural voice — in your own language. Included with Premium.
What is conditioning in psychology?
Quiz generator
Turn any topic into a quiz in seconds, with multiple difficulty levels.
Flashcards
Spaced repetition decks generated straight from your notes and documents.
Three steps. No setup.
Ask
Type, paste, upload or photograph a question. Any subject, any language.
Understand
Mr Jarven explains the reasoning, not just the answer — at your level.
Practice
Turn the topic into a quiz or flashcard set. Repeat until it sticks.
Built for classrooms. Safe by design.
Safety
Input filtering
Multi-layer scanning blocks inappropriate prompts before they reach the model.
Education-only responses
Replies stay within school subjects, homework help and age-appropriate topics.
Anti-jailbreak
Prompt injection and bypass attempts are detected and refused with an explanation.
Wellbeing
If a student seems distressed, Mr Jarven responds with care and points to a trusted adult.
For parents & schools
GDPR
Student data is processed in line with European privacy rules.
No training on your data
Conversations are never used to train models.
Age-appropriate
Answers adapt to the student’s level and stay suitable for their age.
Teacher reviewed
Built with input from teachers and child-safety experts.
Mr Jarven vs ChatGPT
A general AI will answer anything. Mr Jarven only answers school.
ChatGPT, Gemini and Claude are built for adults doing anything at all — and they will answer a child's off-topic question just as readily as a maths one. See exactly what Mr Jarven does differently.
“Mr Jarven explained calculus in a way three teachers couldn’t. That is what learning feels like.”
Aria, AP Calculus, Boston
“Voice explanations turned my commute into study time.”
Emma · Harvard '28
“My daughter uses it for homework — and it actually teaches her.”
Sarah · Parent · Stockholm
“I generate quizzes in seconds. Saves me hours every week.”
David · Middle-school teacher · NYC
Free for life. Premium when you need more.
Free forever
$0
per month
5 questions per day
1 PDF upload per day
1 quiz per day
5 flashcards per day
No voice input or read-aloud
Premium
Recommended
$5
per month · 49 kr in Sweden · €5 in the EU
Unlimited questions
Unlimited PDF uploads
Unlimited quizzes & flashcards
Speak your questions — voice input
Listen to answers — natural voice read-aloud
Priority response speed