Download Apple iPhone SDK for Mac to access iPhone development environment. The answer is, essentially, no. You pretty much have to buy a Leopard Mac to do iPhone SDK development for apps that run on non-jailbroken iPhones. Not that it's 100% impossible, but it's 99.99% unreasonable. Like changing light bulbs with your feet. Create even more powerful Mac versions of your iPad apps. Apps built with Mac Catalyst now take on the new look of macOS Big Sur and help you better define the look and behavior of your apps. You can choose to turn off automatic scaling of iPad controls and layout, allowing you to precisely place every pixel on the screen. The SDK was released on March 6, 2008. The iOS SDK is a free download for users of Macintosh (or Mac) personal computers. It is not available for Microsoft Windows PCs. The SDK contains sets giving developers access to various functions and services of iOS.
SwiftUI
This innovative new way to build user interfaces across all Apple platforms lets you create better apps with less code.
Test Your Apps with TestFlight
TestFlight makes it easy to invite users to test your apps and collect valuable feedback before releasing your apps on the App Store. You can invite up to 10,000 testers using just their email address or by sharing a public link.
Apple Platforms
Develop apps that integrate seamlessly with the latest advancements in Apple platforms.
Resources
Find tools and resources for creating apps and accessories for Mac, iPhone, iPad, Apple Watch, and Apple TV.