Substack writers can now direct US readers to (often cheaper) web-based subscriptions on iOS アップル アプリ iOS apps サブスタック 2025.08.19 02:16 TechCrunch 引用元：https://techcrunch.com/2025/08/18/substack-writers-can-now-direct-u-s-readers-to-often-cheaper-web-based-subscriptions-on-ios/
