Better IDE and language for IOS

Hi , I,m just starting to lear swift language , I use Xcode for do simples project , but i have a lot of problems with Xcode is very very slow , and i have a fast computer , and i usually have bugs and i,m doing the same that oficial swift book is saying , i want to ask to community if have another better language for IOS , or another better IDE or both , because i think is imposible to do nothing with Xcode and siwft , thanks for your time .