Pricing
Simple, honest pricing
Start free. Upgrade when you need more. No hidden fees, no contracts.
Free
$0/mo
Forever free — no card needed
- ✓ 5 AI solves per day
- ✓ All 200+ calculators
- ✓ Step-by-step solutions
- ✓ Hint & short answer modes
- ✗ Solve history
- ✗ PDF export
- ✗ Priority support
Pro
$5/mo
Billed monthly · cancel anytime
- ✓ Unlimited AI solves
- ✓ All 200+ calculators
- ✓ Step-by-step solutions
- ✓ Hint & short answer modes
- ✓ Solve history
- ✓ PDF export
- ✓ Priority support
Classroom
$30/mo
For teachers & tutors
- ✓ Everything in Pro
- ✓ 30 student seats
- ✓ Teacher dashboard
- ✓ Class usage reports
- ✓ Dedicated support
- ✓ Bulk student invites
- ✓ Invoice billing available
Frequently asked questions
Can I cancel anytime?
Yes. Cancel from your dashboard at any time. Your plan stays active until the end of the billing period. No cancellation fees.
What payment methods are accepted?
We accept Vietnamese bank transfers (VietQR), ATM cards, and major international credit cards.
Is there a refund policy?
Yes — 7-day money-back guarantee on first payment, no questions asked. Read our refund policy →
Do you offer student discounts?
The Free plan covers most students. If you need Pro features and cost is a barrier, email us — we handle it case by case.
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