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Microsoft Backs Epic Games in Apple Fight to Preserve Unreal Engine Access

If Epic Games' Unreal Engine cannot support iOS or macOS, game developers will pay the price, Microsoft says.

 & Michael Kan Principal Reporter

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Microsoft is backing Epic Games in its lawsuit against Apple—but only to prevent the antitrust battle from cutting off access to the popular Unreal gaming engine. 

“Today we filed a statement in support of Epic's request to keep access to the Apple SDK (software development kit) for its Unreal Engine,” Microsoft Xbox Chief Phil Spencer said on Sunday. “Ensuring that Epic has access to the latest Apple technology is the right thing for gamer developers and gamers.”

At stake is Epic Games’ developer accounts for the iOS and Mac software ecosystem. Apple says it will revoke the accounts this Friday, Aug. 28, unless the company removes a direct payment method from its hit game, Fortnite. If it doesn’t, Epic Games risks losing its ability to develop and distribute software to Apple products. 

That would be bad news for the millions of software developers who rely on Unreal Engine for game creation or 3D modeling on iOS and macOS. As a result, Epic Games is asking a US judge to force Apple to keep the developer access alive until the antitrust battle between the two can be settled in court. 

Unreal Engine website (Credit: Epic Games)

On Sunday, Microsoft filed a statement in support of Epic Games’s call to retain that access. “Epic Games’ Unreal Engine is critical technology for numerous game creators including Microsoft,” Microsoft's General Manager of Gaming Developer Experiences, Kevin Gammill, wrote in the court filing. “In Microsoft’s view there are very few other options available for creators to license with as many features and as much functionality as Unreal Engine across multiple platforms, including iOS.” 

According to Gammill, Microsoft currently has a multi-year deal to license the Unreal Engine for its own games on PC, Xbox, and iOS. One example includes Forza Street, a Microsoft-created game available for the iPhone and iPad. 

“If Unreal Engine cannot support games for iOS or macOS, Microsoft would be required to choose between abandoning its customers and potential customers on the iOS and macOS platforms or choosing a different game engine when preparing to develop new games,” Gammill said.

However, moving to another game engine wouldn’t be easy. Game developers would not just have to pay more money and time investing in new platform, they might also have to scrap entire games and start from scratch, Gammill said. 

“Apple’s removal of Unreal Engine’s ability to develop updates and improvements for iOS and macOS could also harm already-launched iOS and macOS games built on Unreal Engine,” he added. “If the game engine can no longer develop updates that take advantage of new iOS or macOS features, fix software bugs, or patch security flaws, this will harm games that have already launched on iOS and macOS.”

A judge is slated to hear arguments about the developer accounts later today. However, Apple says no court intervention is necessary; Epic Games could easily resolve the whole controversy if it simply removed the direct payment option from Fortnite.

“The offer to cure remains open. If Epic returns to compliance with Apple’s contracts and policies, Fortnite would be available, within days, on the App Store, and Epic would remain in the Developer Program to continue its work with Unreal Engine,” Apple said in a Friday court filing.

However, Epic Games contends it’s fighting Apple’s alleged monopoly through the iOS App Store, and is calling on the courts to decide.

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About Our Expert

Michael Kan

Michael Kan

Principal Reporter

My Experience

I've been a journalist for over 15 years. I got my start as a schools and cities reporter in Kansas City and joined PCMag in 2017, where I cover satellite internet services, cybersecurity, PC hardware, and more. I'm currently based in San Francisco, but previously spent over five years in China, covering the country's technology sector.

Since 2020, I've covered the launch and explosive growth of SpaceX's Starlink satellite internet service, writing 600+ stories on availability and feature launches, but also the regulatory battles over the expansion of satellite constellations, fights with rival providers like AST SpaceMobile and Amazon, and the effort to expand into satellite-based mobile service. I've combed through FCC filings for the latest news and driven to remote corners of California to test Starlink's cellular service.

I also cover cyber threats, from ransomware gangs to the emergence of AI-based malware. In 2024 and 2025, the FTC forced Avast to pay consumers $16.5 million for secretly harvesting and selling their personal information to third-party clients, as revealed in my joint investigation with Motherboard.

I also cover the PC graphics card market. Pandemic-era shortages led me to camp out in front of a Best Buy to get an RTX 3000. I'm now following how the AI-driven memory shortage is impacting the entire consumer electronics market. I'm always eager to learn more, so please jump in the comments with feedback and send me tips.

The Best Tech I've Had:

  • My first video game console: a Nintendo Famicom
  • I loved my Sega Saturn despite PlayStation's popularity.
  • The iPod Video I received as a gift in college
  • Xbox 360 FTW
  • The Galaxy Nexus was the first smartphone I was proud to own.
  • The PC desktop I built in 2013, which still works to this day.

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