
The Razer Kishi Ultra Gaming Controller works with a bunch of mobile devices, including Android phones and iPhones that use USB-C. According to the manufacturer's description, it even supports tablets up to 8 inches, which is pretty flexible.
Plus, it can accommodate phones with cases thanks to the adjustable rubber inserts, so you don’t always have to take your phone out of its case to use it with this controller.
However, it’s worth noting that compatibility isn't perfect for every single device out there. For instance, we found that while some Samsung Galaxy S22 Ultra users had trouble getting it to work, others with phones like the OnePlus 6T didn’t report any issues.
So, it’s a good idea to double-check compatibility if you have a newer or less common phone model.
On the bright side, owners of the Samsung S24 Ultra reported that it fits well without a case and delivers a really good gaming experience.
So, as long as your phone fits the size and connectivity specs, the Razer Kishi Ultra could be a solid option for your mobile gaming needs.
Where this comes from: This answer is based on ShopSavvy's product database, real-time pricing from 2 retailers, and a look at hundreds of user reviews to give you a well-rounded picture.
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If you're still curious about the Razer Kishi Ultra Gaming Controller, here are some other answers you might find interesting:
If the Razer Kishi Ultra Gaming Controller doesn't quite fit your needs, here are some other options to consider:

The SteelSeries Stratus+ stands out as a budget-friendly gaming controller, boasting an impressive 90-hour battery life for uninterrupted gaming sessions. Its Bluetooth connectivity offers a seamless wireless experience, eliminating the hassle of cables. The Stratus+ strikes a great balance between affordability and performance, making it a solid option to consider.

The Backbone One mobile gaming controller is designed for iPhones and offers low-latency performance with a direct USB-C connection. Its expandable design secures your phone while leaving the screen free for an immersive gaming experience. Additionally, it features built-in charging capabilities to keep your device powered while gaming, making it a versatile choice for on-the-go gaming.

The GameSir X2 Pro features an ergonomic design with textured grips for enhanced comfort during extended gaming sessions. Its offset analog sticks and mechanical shoulder buttons provide a tactile experience similar to traditional console controllers. Plus, pass-through charging ensures your phone stays powered while you play. If comfort and responsiveness are your priorities, the GameSir X2 Pro is a top-notch alternative.
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