https://wccftech.com/doom-and-doom-ii-for-ios-gains-60fps-and-free-add-ons-support/

Today, Bethesda has seen fit to update its DOOM and DOOM II for iOS. The new update brings some major changes to the titles which we're sure that users will be excited for. The classic first-person shooters have gained increased framerates and free add-ons support. Let's dive in to see some more details on the titles and what else is part of the mix.

As mentioned earlier, Bethesda's DOOM and DOOM II for iOS now boasts 60fps gameplay. Previously, the titles were originally played at 35fps. If you're a fan, the gameplay will now be much smoother and fluid which will enhance your overall experience. In addition to this, a new aspect ratio has also been added which will stretch vertically to fit the display. Thus will match the original 4:3 aspect ratio that the game was supposed to be played in.