stem-tree
photograph anything → grow a quiz
interactive micro-learning
Instant study guides
from a single photo
Sign in below to pick a subject, snap a photo, and watch stem-tree grow a custom quiz for you.
Developer Sandbox
By signing in you agree to grow customized learning materials.
user configuration
Your Profile
Complete your account profile details to continue growing customized study quizzes.
step one
What are you studying today?
Pick a subject and we'll narrow it down to your exact course before you snap a photo.
subject
Choose your course.
This helps stem-tree pitch questions at the right level.
stored sessions
Your Saved Items
Review items you've saved to your local history.
global competition
Daily Streak Leaderboard
See who has maintained the longest learning streak on stem-tree!
step two
Upload an image.
Watch a quiz grow.
Upload a page from your textbook, a problem set, a diagram, or your own notes. stem-tree reads what's in the file and grows a custom quiz to test whether it actually stuck.
Max file size: 5MB
Supported formats: PNG, JPEG, WebP, GIF, BMP
How it grows
- 01 Select or drag-and-drop a photo/screenshot of your textbook, problems, or notes.
- 02 Choose your preferred quiz length below.
- 03 Click "Grow my quiz" to analyze the document and generate questions.