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500 credits renew every month. No credit card required.
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Monthly Pro
50 credits every month, automatically
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US$29.00 /month
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1 credit ≈ 15k tokens of AI usage
Frequently Asked Questions
What is a credit?
1 credit equals approximately 15k tokens of AI usage. A typical interactive explanation uses 10-30 credits depending on complexity.
Do credits expire?
Free tier credits renew every month. Purchased credits never expire.
Can I cancel my subscription?
Yes, you can cancel anytime from your profile page. You'll keep access until the end of your billing period.