Apple App Store

Apple Pay is Apple's contactless payment service. It uses secure hardware on an Apple device to handle payment steps before communicating with the card networks, such as Visa or Mastercard. The videos identify it as a major contributor to changes in consumer payment behavior.

Firebase Apple SDK is a collection of open-source libraries for integrating Firebase services into iOS and other Apple-platform applications. The repository contains the source for Firebase AI Logic, App Check, App Distribution, Authentication, Cloud Firestore, Cloud Functions, Cloud Messaging, Crashlytics, In-App Messaging, Performance Monitoring, Realtime Database, Remote Config, and Storage; Firebase Analytics is distributed as precompiled binaries rather than open-source source code. The SDK can be installed through Swift Package Manager, CocoaPods, GitHub source checkouts, or experimental Carthage distribution. It supports most products across Apple platforms, with official beta support for macOS, Catalyst, and tvOS, while visionOS and watchOS support varies by product; the repository notes limited Crashlytics support on watchOS. The repository is licensed under Apache License 2.0.

Cash App is a mobile peer-to-peer payments and financial services platform operated by Block, Inc. It lets users send and receive money, use a Cash Card debit card, buy and sell bitcoin and stocks, and manage deposits and basic banking features.

FaceTime is Apple's proprietary audio and video calling service built into iOS, iPadOS and macOS that provides one-to-one and group internet voice and video calls. It is developed and maintained by Apple Inc.

IPATool is a command-line tool for searching the App Store and downloading app packages (IPA files) for iOS, iPadOS, tvOS, and visionOS. It authenticates with an Apple ID, searches by term and platform, obtains app licenses, lists owned apps and available versions, retrieves version metadata, and downloads encrypted packages to a specified path. It runs on Windows, Linux, and macOS, can be installed manually from GitHub releases or with Homebrew on macOS, and is compiled with the Go toolchain. IPATool is released under the MIT license.