$500 via Verizon e-gift card (sent w/in 8 wks). Activation of 4G LTE/5G phone on One Unlimited for iPhone (all lines on account req'd on plan), 5G Do More, 5G Play More or 5G Get More plans req'd. Device must remain active for 45 days. $500 charge back if service cancelled w/in 12 mos or eligibility req's are no longer met. See vzw.com/bring-your-own-device for details.
Go back to App Store and download it again. The store will know it is already paid and not charge you again. Once downloaded, if you had any in app purchases, there will be an option in the app to restore purchases. It is all based on your AppleID.