You should start by buying a book about Swift: https://duckduckgo.com/?q=swift+software+development+on+ios+book&t=ffab&atb=v228-1&ia=web https://duckduckgo.com/

You should start by buying a book about Swift: https://duckduckgo.com/?q=swift+software+development+on+ios+book&t=ffab&atb=v228-1&ia=web https://duckduckgo.com/?q=swift+software+development+on+ios+....