i have 2 app store and i tune gift cards I cant figure out how to redeem.

     Welcome to the Apple community where some of us do our best to help each other.

Seems there are a few different apple gift cards.

To find out which card you have, 

and what you can do with it, 

Apple has a support page (link below) to help.

https://support.apple.com/en-au/HT204199

Also:

How to redeem your Apple Gift Card or App Store & iTunes gift card

https://support.apple.com/en-us/HT201209

And:

How to check your gift card balance:

https://support.apple.com/en-au/HT212864

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If you can't redeem your Apple Gift Card or App Store & iTunes Gift Card:

https://support.apple.com/en-au/HT211187

_______________________________________

And

If you wish:

To find out:If your card works as a payment method with your Apple ID:

See this article ("link below") for what payment methods you can use in your country or region:

https://support.apple.com/en-au/HT211187

What you can buy with your Apple ID balance:

https://support.apple.com/en-au/HT211187

Change, Add or Remove Apple ID Payment methods

https://support.apple.com/en-us/HT201266

All the best :-)