If you're 100% in on Apple, it's probably fine. Outside that ecosystem, Kotlin, Go or Rust are all probably better investments of learning time depending on the

If you're 100% in on Apple, it's probably fine. Outside that ecosystem, Kotlin, Go or Rust are all probably better investments of learning time depending on the problem you're tackling. The question more is, is bothering to learn native smartphone app development a bad investment of time now that the low hanging fruit is gone and we're due for a new platform paradigm?