Simple Pricing
Choose Your Plan
Start free and upgrade when you need more power. No credit card required for the free plan.
Free
$0
- Access to all calculators
- Basic calculations
- Mobile-friendly interface
- Ad-supported
Most Popular
Pro
$7/month
- Everything in Free
- Ad-free experience
- Save & export results
- PDF & CSV exports
- Batch calculations
- Calculation history
- Priority support
API Access
$29/month
- Everything in Pro
- RESTful API access
- 10,000 API calls/month
- Webhook integrations
- Custom branding
- Dedicated support
- SLA guarantee
Feature Comparison
| Feature | Free | Pro | API |
|---|---|---|---|
| Access to all calculators | |||
| Basic calculations | |||
| Mobile-friendly interface | |||
| Ad-free experience | |||
| Save calculations | |||
| Export to PDF | |||
| Export to CSV | |||
| Batch calculations | |||
| Calculation history | |||
| Priority support | |||
| API access | |||
| Webhook integrations | |||
| Custom branding | |||
| Dedicated support |
Frequently Asked Questions
Can I cancel anytime?
Yes! You can cancel your subscription at any time. You'll continue to have access to Pro features until the end of your billing period.
Is there a free trial?
Yes, we offer a 7-day free trial for Pro. No credit card required to start.
What payment methods do you accept?
We accept all major credit cards (Visa, MasterCard, American Express) and PayPal.
Do you offer refunds?
Yes, we offer a 30-day money-back guarantee. If you're not satisfied, contact us for a full refund.
Can I switch plans?
Absolutely! You can upgrade or downgrade your plan at any time. Changes take effect immediately.
Ready to get started?
Start with our free plan and upgrade when you need more.