The iTunes gift cards have made it possible to make purchases when you do not have a credit card or visit another country's iTunes Store. Secondary merchants such as Giftcardsify may easily be found online if you require them.
If you're looking for a deal on iTunes gift cards, this one costs only $100. iTunes credit may be used on the following services:

• Apple store subscriptions and apps and games from the iOS and Mac App Stores.
• All kinds of entertainment through iTunes or Apple's TV app.
• Book purchases through Apple Books.
• A subscription service, such as Apple TV+ or Apple News+, automatically charges your iTunes account each month.
• Increases the storage capacity on iCloud
  
  How to redeem your code
  Depending on the device you use, there are many options to redeem your code:
  In the App Store:
  
• Open the App Store on your device and log in with your Apple ID.
• At the top right of the screen, tap the sign-in button or your profile photo.
• Select Redeem Gift Card or Code and enter the code you received from us.
• Tap "Done" and enjoy!

In the Apple Music app on an Android device:

• Open the Apple Music app.
• Tap the menu button.
• Select Account.
• Select Redeem Gift Card or Code.
• Enter the code you received from us and confirm your entry by tapping on "Redeem".
  

In the iTunes app:

• Open iTunes on your Mac or PC.
• From the menu bar at the top of the iTunes window, choose Account.
• Select Redeem on the drop-down menu.
• Sign in with your Apple ID and follow the instructions on the screen to enter the gift card code.