Get in touch.
Questions, corrections, topic requests - send them over. We read everything and usually reply within one business day.
Message sent
Thanks - we’ll get back to you within one business day. A confirmation has been sent to your email.
Before you write
Frequently asked questions
Use the form above with Content feedback as the topic and name the stack you want. We review requests regularly and add new topics and questions based on demand.
Pick Technical support, include the exact content name (cheatsheet or question), and describe the issue. Specific reports get fixed fastest.
Yes - anytime, from your profile page. Your subscription auto-renews until you cancel, and you keep access through the end of the billing period.
Viewing AI explanations is free. Credits power the extras - fresh takes on explanations, AI answer grading. Each plan includes a monthly allocation that resets at the start of your billing cycle.
Premium plans include 1,000 credits per month. Free accounts get 50 welcome credits to try AI features. Unused credits don’t roll over.
Your balance shows in the account menu when signed in. Open your credits page (account menu → Credit history) for the full picture: monthly allocation, next reset, and your transaction history.
Not yet - credits are tied to your plan and reset monthly. Credit packs are on the roadmap; until then, a higher tier is the way to get more each month.