Interestingly, Apple no longer requires an annual subscription of $23 to test its latest developer beta, which means anyone can Registering and downloading the latest version of Apple software is completely free. This includes iOS 10, iPadOS 10 and macOS Sonoma and watchOS 06.
Those who want to test new software can simply enroll in the Apple Developer Program with your Apple ID. After that, users can sign up and download the developer beta without waiting for the public beta to be released.
Apple Developer Program Level Comparison
The new developer free tier also includes access to the Xcode developer tools, on-device Test and beta releases and visit the Apple Developer Forums and Feedback Assistant to report bugs. Paid developer accounts provide access to a range of other benefits and support from Apple, as well as application distribution on the App Store.
Source
