Choose the perfect plan for your probability analysis needs
Subscription Tiers
From basic calculations to advanced financial modeling - find the plan that fits your requirements
Free Tier
$0
/month
Perfect for getting started with probability
- Basic probability calculations (coin flips, dice rolls)
- Limited calculations per day (20)
- Standard visualizations
- Educational explanations
- Ad-supported interface
Targeted at
Students, educators, curious learners
Basic Plan
$4.99
/month
Perfect for students and casual users
- Unlimited basic calculations
- Ad-free experience
- Enhanced visualizations
- Export options (PNG, PDF)
Targeted at
Students, hobbyists, casual users
Most Popular
Professional Plan
$9.99
/month
Ideal for data analysts and researchers
- All Basic features
- Advanced probability distributions
- Monte Carlo simulations
- API access (limited calls)
- Calculation history and saved queries
Targeted at
Data analysts, researchers, professionals
Expert Plan
$19.99
/month
For advanced users and financial analysts
- All Professional features
- Custom probability models
- Unlimited API access
- Priority support
- Advanced export options (CSV, JSON)
Targeted at
Financial analysts, engineers, advanced users
Frequently Asked Questions
Can I change my plan anytime?
Yes, you can upgrade or downgrade your plan at any time. Changes will be reflected in your next billing cycle.
Is there a free trial available?
Yes, all plans come with a 7-day free trial. No credit card required to start your trial.
What payment methods do you accept?
We accept all major credit cards, PayPal, and bank transfers for annual subscriptions.
Can I cancel my subscription?
Yes, you can cancel your subscription at any time. You'll continue to have access until the end of your current billing period.