How do I upgrade, downgrade, or change my plan?
Go to Upgrade (or Account → Billing) to start a plan or switch tiers. When you change mid-cycle, billing is prorated — you only pay the difference for the time remaining. Your access and progress carry over.
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How do I change my email or password?
Update your name and email in Account settings. To change your password, sign out and use "Forgot password?" on the login screen to get a secure reset link, or update it from your account page if you're signed in.
Is there a free trial?
Instead of a time-limited trial, we keep a permanently free plan: a 40-question preview for your exam, the Question of the Day, and the glossary and ACS-code tools. There's no countdown and no card required. Upgrade to Premium whenever you're ready ...
Do I need a credit card to start?
No. You can create a free account and start studying with no credit card. The free plan gives you a 40-question preview of your exam so you can try the full study flow end to end. You only enter payment details if you choose to upgrade to Premium for ...
What Premium unlocks
The free plan lets you try the full study flow on a fixed 40-question set. Premium removes the limits and adds the features that make the material stick. What you get The full question bank for your exam — every category, not a 40-question sample. AI ...
I subscribed in the app — how do I manage billing?
Subscriptions purchased inside the iOS or Android app are managed by Apple or Google, not us. Open your device's Subscriptions settings (Apple ID or Google Play account) to change the plan, update payment, or cancel. Web purchases are managed in ...