Open Source Notices

Quilting Calculator uses Apple platform frameworks and the following third-party software through the native Northjade foundation. Exact bundled versions and complete license texts ship with the app build.

RevenueCat Purchases

• Purpose: optional Pro purchase and entitlement handling
• Version: 5.83.1
• License: MIT
• Source: https://github.com/RevenueCat/purchases-ios

Firebase

• Purpose: production-approved crash diagnostics, coarse analytics, and remote feature configuration
• Version: 12.17.0
• License: Apache License 2.0 and component-specific notices
• Source: https://github.com/firebase/firebase-ios-sdk

Google Mobile Ads and User Messaging Platform

• Purpose: production-approved advertising and consent choices
• Versions: Google Mobile Ads 13.7.0; User Messaging Platform 3.1.0
• Terms: Google SDK and distribution terms
• Sources: https://developers.google.com/admob and https://developers.google.com/admob/ump

Platform frameworks

SwiftUI, SwiftData, CloudKit, UIKit, and Uniform Type Identifiers are Apple system frameworks. Formula, persistence, project, template, and export logic is product-owned.