IronSource on IOS Swift 5 App

Hi, I am working on a TO-DO IOS (Swift 5) App, And i want to :
[+] Integrate IronSource mediation :
- Banner (on 3 screens).
- Interstitial (After evry 3 TO-DO added).
[+] Add "Remove Ads" feature:
- Displayed on a pop-up and in setting screen.