If you have an old iPhone on iOS 15 or earlier, you can jailbreak (e.g., using Dopamine or Taurine).
Let's pivot to the positive side. You can get a verified Apple ID for free. In fact, you already have one or can create one in 60 seconds. The trick is verifying it without a credit card to access apps like FL Studio Mobile. apple id free fl studio mobile verified
Searching for a "free verified Apple ID" to download paid apps like FL Studio Mobile If you have an old iPhone on iOS