If you aren't jailbroken, a tool like CrackTool4 won't help you much. The "better" route here is using an on-device signer. The Workflow:
: Modifications to an app’s code often lead to frequent crashes, as the bypass might conflict with the app's internal logic or newer iOS updates. The Ethical and Economic Impact cracktool4 ipa better
If you'd like more help finding a specific solution for your device: Your (e.g., 16.5, 17.0) If you aren't jailbroken, a tool like CrackTool4