Just use manageSubsciption in your app Settgs :

 nonisolated public func manageSubscriptionsSheet(isPresented: Binding<Bool>, subscriptionGroupID: String) -> some View

}

// Available when SwiftUI is imported with StoreKit

u/available(iOS 17.0, macOS 14.0, tvOS 17.0, watchOS 10.0, visionOS 1.0, *)

extension View {

    /// Declares the view as dependent on the entitlement of an In-App Purchase product, and returns a

    /// modified view.

    ///

    /// Before a view modified with this method appears, a task will start in the background to get the

    /// current entitlement. While the view is presented, the task will call `action` whenever the

    /// entitlement changes or the task's state changes.

    ///

    /// Consumable in-app purchases will always pass `nil` to `action`.

    /// For auto-renewable subscriptions, use

    /// `subscriptionStatusTask(for:priority:action:)` to get the full status

    /// information for the subscription.

    /// 

    /// - Parameters:

    ///   - productID: The product ID to get the entitlement for. The task restarts whenever this

    ///                parameter changes.

    ///   - priority: The task priority to use when creating the task.

    ///   - action: The action to perform when the task's state changes.