I hate to break it to you, but almost all the code running on your iPhone right now was written in Objective-C and C and C++.
I personally find lower level programing to be frustrating and difficult. I've built an amazing career with JavaScript and C# primarily. My hobbyist projects use C# , JS and Flutter.
I can't wrap my head around things like pointers or memory management
With swift & obj-c your coding against the same library APIs, so in many ways it's a very similar level of programming. In many ways swift is far more complicated than Obj-C. With Obj-C iOS apps your not really writing that much C vs. the pseudo-smalltalk attachment to it.