Razer Kishi Ultra Mobile Controller Review – The Best Mobile Controller in 2024?
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This April, the iOS and Android Razer Nexus app (free) received an update adding support for the then-unannounced Razer Kishi Ultra controller. This controller boasts features like customizable analog stick deadzones and more. Since its release, the Razer Kishi Ultra has proven its compatibility extends beyond just phones. While it's currently the priciest mobile controller on the market (to my knowledge), it offers unexpected features for specific devices. A long-time user of the Razer Kishi and Backbone One (including their USB-C iterations), I initially felt no need for a new controller. However, the Razer Kishi Ultra proved me wrong, much like the Hori Split Pad Pro did for the Nintendo Switch a few years ago.

Razer Kishi Ultra – Package Contents
The Razer Kishi Ultra box contained the controller, several sets of rubber cushions (for different devices), stickers, and an instruction manual. Given its $149.99 price tag, I anticipated a carrying case or at least a protective pouch. However, the box and controller packaging were, as expected from Razer, high-quality.
The rubber cushions are paired and clearly labeled for iPhone (Pair A), iPad Mini 6th generation (Pair B), and Android (Pair C). These cushions are unnecessary if you use a phone case.

Razer Kishi Ultra Compatibility – iPhone, Cases, Android, and iPad Mini
Unlike most mobile controllers (especially telescopic ones) that only support iPhone and Android, the Razer Kishi Ultra also supports tablets like the iPad Mini 6th generation. While some recent telescopic controllers offer Bluetooth, this USB-C controller boasts superior compatibility. For this review, I tested the Razer Kishi Ultra with my iPhone 15 Pro, iPhone 14 Plus, and wired to my iPad Pro. While I didn't test it on Android or Windows, I did try it wired to my Steam Deck. It was recognized as a generic Xbox gamepad, but functioned perfectly while playing NBA 2K25 on the Steam Deck. It also delivered satisfying rumble in games like Bakeru.

Razer Kishi Ultra Buttons, D-pad, and Triggers
Before diving into the new features, let's discuss the controller's feel and performance. I was initially concerned about the d-pad, but it performed exceptionally well in games like Garou: Mark of the Wolves ACA NeoGeo, and newer titles such as Hades and Hitman Blood Money Reprisal. Beyond the d-pad, the shoulder buttons and triggers function flawlessly, mirroring the quality of Razer's previous controllers. The analog sticks are comfortable and smooth, while the face buttons offer a satisfying click, albeit with more travel than anticipated compared to the original Razer Kishi.

After extensive use, including several hours-long gaming sessions (like Zenless Zone Zero while charging my phone via passthrough charging), I have no complaints regarding the Razer Kishi Ultra's d-pad, buttons, or triggers.
The textured finish, while not rubbery, provides excellent grip and remains comfortable even during extended use. While I'm not a fan of Chroma lighting on controllers, and similar to the Razer Kitsune, I would have preferred if the lights could dynamically reflect on-screen gameplay.

Razer Kishi Ultra – New Features
The Razer Kishi Ultra's main attraction is its full-size form factor. Unlike Razer's previous offerings or the Backbone One, the Razer Kishi Ultra feels like a full-sized console controller with your phone nestled in the center. This might not appeal to those seeking a compact solution, but that's not its intended purpose. This full-size design makes it the most comfortable mobile controller I've used.
Other notable features include Chroma customization via the app, haptics (for Android and Windows), and virtual controller mode (Android only). The virtual controller mode is beneficial for Android games, as some popular titles (like Genshin Impact) lack controller support outside of iOS.
Beyond these new features, the Razer Kishi Ultra includes a 3.5mm headphone jack, passthrough charging (15W), and L4 and R4 shoulder buttons.

Razer Kishi Ultra Features Missing on iOS – Haptics and Virtual Controller Mode
Haptics and virtual controller mode are exclusive to Android (and Windows for haptics), unavailable on iOS. While I'm not overly concerned about the virtual controller mode, I hope Razer implements haptics support for iOS devices. I appreciate the haptic feedback on PS5 and HD Rumble on Switch, and a similar feature on iOS would be a welcome addition.
Razer Kishi Ultra Price Point – Is It Worth It?
For most users, a wireless PS5 or Xbox controller offers a superior and cheaper gaming experience on iOS. However, if you prefer a telescopic controller that attaches directly to your phone, the Razer Kishi Ultra's $150 price point is significantly higher than the typical $99.99 price of competitors. Is the extra cost justified? If you're satisfied with the Razer Kishi or Backbone One, the extra cost is worth it for the enhanced comfort. However, the lack of haptics on iOS diminishes the overall experience compared to Android.
The long-term durability of the joysticks (drift) remains to be seen.

Razer Kishi Ultra – The Best Mobile Controller in 2024?
Compared to Razer's previous compact controllers and the Backbone One, the transition to the full-size Razer Kishi Ultra has been interesting. Similar to the Hori Split Pad Pro for Switch, I find myself wanting both a full-size and a more compact controller for my iPhone.
The Razer Kishi Ultra is undeniably the most comfortable mobile controller I've used, but its bulkiness makes it less travel-friendly. I'm concerned about its portability unless I carry it in its original box. It's unlikely to replace my Kishi or Backbone One for travel, and I primarily use it at home.
At this price point, I expected hall-effect analog sticks. I've experienced joystick drift with other controllers, and while the Razer Kishi Ultra (and the original Kishi) haven't exhibited this issue yet, it's a potential concern for future use.
Having reviewed Backbone One and Razer Kishi models, I'm eager to explore the GameSir lineup.

Razer Kishi Ultra 2 Wishlist
For a future Razer Kishi Ultra iteration, aside from hall-effect sticks, I'd appreciate smoother edges, particularly around the passthrough charging port. While I appreciate the L4 and R4 buttons, I prefer bottom-mounted paddles for better ergonomics. Adding these as options (perhaps L5 and R5 with remapping) would enhance the premium feel. Finally, including a carrying case would be a welcome addition, mirroring the standard practice for high-end console controllers.

Razer Kishi Ultra Review
If you prefer the feel of full-sized controllers like the PS5 or Xbox controllers and find compact mobile controllers less comfortable, the Razer Kishi Ultra is ideal. Its comfortable grip, excellent d-pad, and face buttons are its strengths. The lack of full feature support on iOS is a drawback, but it's a significant addition to the mobile controller market. I hope Razer continues to improve it and includes a carrying case in future versions.
Razer Kishi Ultra review score: 4.5/5
Amazon Link: Razer Kishi Ultra
(The book in the header image is Andy Kelly's upcoming book, Perfect Organism: An Alien: Isolation Companion, which I'm currently reviewing. Pre-orders are available here.)
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