MLB was ready for the launch of Apple’s iPhone Duo on Friday, as the league is out with a version of its mobile app designed specifically for the new phone’s foldable form factor.
Priced $1,999 at launch, the Duo is roughly passport-sized/shaped in its most compact form, but can be spread out into a continuous, 7.6-inch display, or folded in half to create multiple 5.4-inch screens (for reference, the iPhone 18 Pro’s display is 6.3 inches).
The pitch to customers: a product that blends the portability of the iPhone with the entertainment and multitasking capabilities of an iPad or MacBook. MLB leaned into that versatility by engineering its app to be able to display a live game video stream in one window — and, well, anything the user wants in the other.
In a demo of the Duo hosted by Apple in N.Y. on Thursday, MLB executives walked folks through several possibilities. In the Duo’s “book” (standing vertical and folded at a 45-degree angle) or “seated” (folded like a laptop) modes, users can conjure a synchronized stats panel within the MLB app on one screen to accompany another display livestreaming a game — or navigate to other iPhone apps like their text messages or calendar. Users can also create a custom multi-view experience by running different game streams at once on each of the displays.
Kenny Gersh, the league’s EVP/Media, Business Development & Product, called it a game viewing and second screen experience “all together in one device” at a separate launch event at MLB’s headquarters alongside Apple SVP/Worldwide Marketing Greg Joswiak and MLB CTO Sean Curtis.
The Duo releases on Friday but is already reportedly backordered. Combined with the premium price point, it is unclear how many sports fans will have the tech in their hands in time to test MLB’s app during the 2026 World Series, which also begins Friday. (MLB TV subscribers will be able to authenticate within the app and watch the games.)
But the league sees value in being a first mover in developing software for emerging mediums, from foldable phones to virtual reality. MLB SVP/Product Josh Frost, who called the Duo a “sea change of a device,” compared that general strategy to on-the-field decision-making.
“If you’re going to be aggressive, you have to always be aggressive to reap the benefit of those higher-risk decisions, instead of picking and choosing when to do it. Because you won’t pick correctly enough of the time,” he said. “We have a large in-house technology team. This is a bet we’re making over the long term and we’re going to be right more often than wrong.”
Frost added that MLB is already thinking about potential enhancements for next season, including optimizing the MLB Ballpark app for the device.
“Then we want to think about — are there other use cases around this device when you’re attending a game that make it special or interesting or useful? To be honest, we don’t know yet,” he said. “We’re lucky the way that calendar works. We have the offseason to work around so we’re ready for Opening Day.”
Also demoing applications at Apple’s launch event were Netflix, New York Times Cooking and a new video game called “UnGodly,” among others. The PGA Tour, Apple Sports, NBA and MLS will also have Duo-optimized apps available at launch.
The MLB Duo app continues a deep relationship between the league and Apple. Apple is in its fifth season as an MLB media partner (Friday Night Baseball), MLB has shown four games in the Apple Vision Pro’s “spatial video” format in the past year, and MLB players and coaches use iPads in the dugout to review game film and stats (though MLB restricted the ability of those iPads to access generative AI tools earlier this year).
