To buy an app for someone else, the process depends entirely on whether they use an iPhone/iPad or an Android device. While Apple allows you to send specific apps directly, Google requires a slightly different approach using gift cards or account sharing.
Note: You generally cannot gift apps you already own or those that are free with in-app purchases. Share and send apps in the App Store on iPhone how can i buy an app for someone else
: Provide the recipient's email address and an optional message. You can even pick a specific date for them to receive the gift. To buy an app for someone else, the
: Choose a theme for the email, then tap Buy and Buy Now to finish. Share and send apps in the App Store
: This is the square icon with an upward arrow, usually near the app's price or description.