I can not get the Netflix app to load or work on my ipad1 it used to work now it's gone ad it won't let me load and the icon is gone on home page

This is in regards to my ipad1 I have always had Netflix app downloaded and working on this iPad and somehow my 2 yr old grand daughter made the icon and app disappear ... And when I try to go reload the app and icon it shows the free for only a second then shows a frayed out update box and it wont let me reload the app...any suggestions ?? Bottom line somehow the app got deleted and I can't get it to reload so I can watch Netflix on this iPad. Netflix is working correctly on my other devices also when I do a search iPad there is no Netflix on this IPad any longer

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