Physics.si
Finally see what the equations describe
Physics.si turns invisible phenomena into interactive simulations and dynamic visualizations, then coaches you through problems strategically — building the physical intuition that separates solving equations from actually understanding physics.
No card required · $9/mo Plus · $99/mo Premium
What you get
Everything Physics.si gives you
Interactive Simulations
Explore projectiles, circuits, waves, and fields through simulations connected directly to your coursework.
Visualize the Invisible
Dynamic visualizations of fields, waves, and quantum behavior — see the phenomena static diagrams can't show.
Strategic Problem-Solving
Scaffolded, step-by-step guidance on setting up problems: which principles apply, and why, before any algebra.
Intuition Building
Misconception-hunting dialogue that replaces everyday intuitions with correct physical mental models.
Formula Library with Derivations
Every formula linked to its derivation and physical meaning, so nothing is memorized blindly.
Adaptive Difficulty
Support that scales from AP and IB level through engineering courses to graduate quantum mechanics.
Pricing
Simple plans that grow with you
Plus
$9/mo
- ✓Unlimited physics tutoring
- ✓Interactive simulation library
- ✓Step-by-step problem guidance
- ✓Formula library with derivations
Premium
$99/mo
- ✓Everything in Plus
- ✓Advanced simulations (E&M, quantum)
- ✓Exam-prep intensive sessions
- ✓Personalized misconception tracking
- ✓Engineering application deep-dives