With Google’s antitrust loss final and imminent changes to how apps are bundled on mobile platforms, technology companies face a new regulatory reality. The EU has set a precedent that bundling core apps with operating systems violates competition law. Other platforms and jurisdictions will face similar scrutiny. The rules of the game are changing.

Google’s €4.7 billion fine was expensive but survivable. The real cost is operational. The company must change how Android works. Users now get choice where they previously got defaults. That choice costs Google revenue because not everyone opts for Google Search, Chrome, or Google Play. That’s the punishment.

What Other Platforms Fear

Apple bundles Safari, Maps, and Apple Music with iOS. Microsoft bundles Bing with Windows. Amazon bundles Prime Video with Prime. If bundling is illegal for Google, the legal logic applies to everyone. The EU hasn’t gone after these companies yet, but the precedent exists. Each company is calculating their exposure.

Apple is probably the most vulnerable. iOS bundles are tightly integrated and harder to uninstall. Microsoft faces less risk because Windows let you change defaults for years. Amazon bundles across services rather than on a single operating system. The regulatory risk varies by company and jurisdiction.

The Broader Principle

Bundling isn’t inherently illegal. You can give customers free products alongside paid ones. What’s illegal is using monopoly power to force adoption. Google had Android monopoly and forced bundling. That crossed the line. The principle is: you can’t leverage dominance in one market to gain unfair advantage in another.

This principle will reshape tech. Companies that built ecosystems by integrating products will face pressure to unbundle. That’s not necessarily bad for competition—it might create opportunities for alternative search engines and browsers. But it’s expensive for dominant companies to implement.

Implementation Challenges

Unbundling is technically complicated. Chrome relies on Android APIs. If you remove Chrome from Android, you have to expose those APIs to competitors. That’s harder than it sounds. Google is complying but slowly. The EU will push harder on enforcement. We’ll see multi-year battles over whether Google has truly unbundled.

Google’s loss is precedent-setting. Other platforms are watching. The EU has drawn a line: bundling your apps on your operating system is anti-competitive if you have market power. That line will define tech regulation for the next decade.