Japan’s new Mobile Software Competition Act (MSCA) mandates that Apple must permit iOS browsers on the App Store to use alternative rendering engines, rather than being limited to Apple’s own WebKit, MacRumors reports.

Set to be enforced by December 2025, the law prohibits Apple from imposing overly restrictive technical or financial barriers that would deter developers from adopting non‑WebKit engines.

This contrasts with the European Union’s Digital Markets Act (DMA), where Apple technically allows alternative engines but effectively makes meaningful adoption difficult through burdensome requirements.

Japan’s law also requires Apple to present a browser choice screen during the first setup of the device or upon initial launch of a browser, giving users the option to select their prefe

See Full Page