Select the book you want and follow the pop-up prompts to complete the transaction.

: You can prepay for 3, 6, or 12 months at once, which often provides a discount compared to the standard monthly rate. Key Rules for Credits

To buy credits on , you must be an active member. While one credit is typically added to your account each month as part of your subscription, you can purchase "top-up" credits if you run out. How to Buy Extra Credits

Click the button located next to your current credit balance. Follow the prompts to purchase single or multiple credits. InstaCredit (Mobile App) :

: Unused credits from your monthly plan roll over to the next month, though there may be limits on the total number you can store. Audible | Listen to Audiobooks, Podcasts, & Originals

: While you can purchase gift subscriptions for 1 to 12 months, you cannot buy a specific single credit to gift to another person's existing account.

This feature allows you to buy a credit and apply it to a book instantly without leaving the app.