Subfay Subfay by: Subfay .NET 8.0 This package targets .NET 8.0. The package is compatible with this framework or higher. 80 total downloads last updated 8/14/2026 Latest version: 1.0.0 subfay in-app-purchase subscriptions entitlements iap .NET SDK for Subfay — subscriptions, in-app purchase entitlements and customer identity. Works in MAUI, ASP.NET, console and any .NET 8+ app.