To upgrade your subscription from a monthly plan to a yearly one, as well as apply a coupon to your account, follow these steps:
1. When signed in, select the profile icon located in the upper right-hand corner of the app
2. Click the 'Change to Yearly' link and then hit 'Confirm'
3. Enter your unique coupon code in the coupon box and hit the 'apply' button
4. Click the 'Change My Subscription to Yearly' button. Now you're all set!
If you need any additional assistance, feel free to reach out to us at firstname.lastname@example.org.