Refund Policy

Effective Date: October 2026

1. Free Tier

The vast majority of Calcutrix calculators are completely free and require no payment.

2. Pro Access Subscriptions

For users who purchase our Pro Access tier, we offer a strict 7-day money-back guarantee. If you are not satisfied with the deterministic speed of our advanced engines, contact our support team within 7 days of purchase for a full refund.

3. Non-Refundable Exceptions

After the initial 7-day period, subscription fees are non-refundable. You may cancel your subscription at any time to prevent future billing.