It is a smart investment, as many words sound very different from how they are spelt, say chagrin, indict, raison d'^etre, etc. ... Like Phil said, it is only a handful of relevant symbols and they port over to any other language you may want to learn.

Hi Agatha! I suggest youy to do both! At the beginning it will be annoying and even frustrating, but your english will improve faster ;)

Hello, if you’re still looking to improve your level of pronunciation with a focus on the IPA, you’re welcome to contact me. I’m a qualified teacher, and a native English speaker with a British accent. Adriane