Pay for the exam you're studying for, not for features you won't use.
Start free. Upgrade when you're ready for unlimited practice. Every paid plan has a 7-day money-back guarantee.
Free
Try real simulation exams before you commit.
- 5 simulation exams
- Instant scoring
- Readiness check
Basic
Regular practice while you study month to month.
- 15 simulation exams a month
- Performance analytics
- Priority support
Premium
Every exam in the library for a full year.
- All simulation exams
- Detailed answer explanations
- Coaching sessions
Professional
Everything you need to pass, including AI help.
- Unlimited simulations
- AI explanations on every question
- Personal study plan
- Readiness reports by domain
Business $999 per year
Up to 25 people, team analytics, interactive modules, mentor access and priority support.
Enterprise custom pricing
Unlimited seats, SSO, API and webhook access, and an SLA-backed support contract.
Talk to usPayments are processed by Stripe. Cancel any time from your subscription page; you keep access until the end of the period you've paid for.
Compare plans
| Feature | Free | Basic | Premium | Professional |
|---|---|---|---|---|
| Simulation exams | 5 | 15 / month | All | Unlimited |
| Readiness check by domain | ✓ | ✓ | ✓ | ✓ |
| Answer explanations | Basic | Detailed | Detailed | Detailed + AI chat |
| Adaptive quizzes & spaced repetition | — | ✓ | ✓ | ✓ |
| Personal study plan | — | — | — | ✓ |
| Coaching | — | — | Sessions | Sessions |
| Support | Standard | Priority | Priority | Priority |
| Money-back guarantee | — | 7 days | 7 days | 7 days |
Billing questions
Can I switch plans later?
Yes. Upgrade or downgrade from your subscription page at any time. When you upgrade you only pay the prorated difference.
Do I need a card for the free plan?
No. Create an account and start right away. You only enter payment details if you choose a paid plan.
How do refunds work?
Every new paid subscription has a 7-day money-back guarantee. Contact us within 7 days of your first charge.
Can I cancel any time?
Yes. Your access stays active until the end of the period you've already paid for.
Premium or Professional?
Premium gives you every exam for a year. Professional adds unlimited simulations, AI explanations and a personal study plan for $24 more.
How does payment work?
Checkout is handled by Stripe. CertBoost never sees or stores your card number.