Open the App Store on the iPad
Sign in with the same Apple ID used on the iPhone
Search for the app name in the App Store
Tap the download icon or Get button
Enter the Apple ID password, Face ID, or Touch ID if prompted
Wait for the app to install on the iPad
If the app is already purchased, download it again from Purchased in the App Store
If the app is not available on iPad, look for an iPad-compatible version or alternative app
Turn on automatic downloads in Settings if you want future app purchases to sync across devices
Make sure both devices use the same Apple ID for App Store purchases