Start free with 5 calculator uses and 50 API calls/month. Upgrade when you need more.
API calls beyond your monthly limit will return a 429 status code with details about your current usage. You can upgrade your plan at any time to increase your limit.
Yes! Anonymous users get 5 free calculator uses per device. After that, sign up for a free account to get 20 uses/month, or subscribe for unlimited access.
We use a browser fingerprint to track anonymous calculator usage. This resets when you create an account. Logged-in users on paid plans get unlimited calculator access.
Yes, you can cancel anytime from your dashboard. Your subscription will remain active until the end of the billing period, then revert to the free plan.
Not yet, but we're planning to add annual billing with a discount soon. Contact us if you're interested.