Learn all of physics.
All lessons across all 6 units as they launch, every simulation, all practice sets. Cancel anytime.
Everything is free right now — our international launch
Create an account and learn with no limits. Prices below are for reference.
Pro
Most popularBilled as $72/year — 2 months free
- All lessons across all 6 units as they launch
- Every interactive simulation
- Full practice sets (5 questions each)
- Challenge problems with solutions
- Progress tracking across all lessons
- New lessons as they launch
Free for everyone during launch
Compare plans
| Feature | Free | Pro |
|---|---|---|
| Intro lesson (1 per unit) | ||
| All lessons | – | |
| Interactive simulations | ||
| Practice problems | – | |
| Challenge problems | – | |
| Progress tracking | ||
| New lessons on release | – |
Common questions
What happens after I pay?
You're redirected back to the lessons page with full access — instantly. No waiting, no approval.
Can I cancel anytime?
Yes. Cancel from your account settings. Your Pro access continues until the end of the billing period.
Is this right for high school or university?
Both. The content covers mechanics, waves, thermodynamics, electromagnetism, optics, and modern physics — typical for grades 11–12 and first-year university physics.
Are new lessons included in my plan?
Yes. All future lessons are included at no extra cost as long as your subscription is active.
Can I try before paying?
Yes, 6 intro lessons are always free — one for each topic.
How do I cancel?
Cancel any time from your billing portal — no questions asked.
Is there a student discount?
Ukrainian students get the UA price automatically. Email us for institutional pricing.