# KeyLinker > Controller customization app for Keylinker protocol devices. (iPhone/iPad app by ShenZhen ZhiXu Technology Co., Ltd.) - Source: https://appshunter.io/ios/app/keylinker/id1472490585 (this page in markdown: same URL + `.md`) - Developer: [ShenZhen ZhiXu Technology Co., Ltd](https://appshunter.io/developer/1472490584) - Category: Utilities - Price: Free - Rating: 2.30/5 from 49 App Store ratings · 47 written reviews indexed - Age rating: 4+ - Requires: iOS 13.0 · 38 MB - Languages: American English, German (Germany), Japanese, Korean, Russian, Chinese (Simplified, China), Chinese (Traditional, Taiwan) - Released: 2019-08-05 - Data updated: 2026-08-15 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/keylinker/id1472490585/reviews.md ## What is KeyLinker? This app is used by handles that support keylinker protocol, which can be set to modify the parameters of more than ten functions of the handle, such as keys, lamplight, vibrations, joystick and trigger. Users can modify the parameters of the handle according to their habits. The flexible parameter settings greatly enhance the handle experience.The handle can be connected to this app and other equipment at the same time, and can be used at the same time ## Key features - Modify key parameters - Customize lamplight settings - Adjust vibration feedback - Configure joystick and trigger - Simultaneous device connection ## Recent user reviews (10 of 47) All indexed reviews: https://appshunter.io/ios/app/keylinker/id1472490585/reviews.md ### 5/5 — Hyperion 3 *2026-06-25* Works as it should, downloaded and updated my Hyperion 3 for the Nintendo switch 2. ### 3/5 — Needs Work *2026-05-13* There’s a banner at the top of the app that obscures the menu bar. Not sure who thought that was a good idea. Controller customization works as it should when the menus are accessible and readable. It’s be great if some updates were made to improve the UI and usability. ### 5/5 — Worked perfect for Hyperion 3 *2026-04-25* I installed and updated my Hyperion 3 Switch 2 joycons in less than a minute. Worked perfect. ### 1/5 — Useless *2026-04-11* It detected my dishwasher but not my controller that was on ### 5/5 — Hyperion 3 Switch 2 *2026-04-01* App works great with no hiccups for the Hyperion 3! ### 5/5 — Worked on NYXI Hyperion 3 *2026-03-25* I downloaded this app for the new NYXI switch 2 controllers to connect and update firmware with my switch 2 and surprisingly it worked so I was pleased ### 4/5 — Pretty good *2026-01-26* Overall great app but has a few flaws with macros. Only allows increases/decreases of 5ms and only goes down to 20ms. Also seems to mess up my macro time to time when I press it. ### 5/5 — Best app ever *2026-01-26, version 3.81* The app updated my nixi nj12 controllers and mapped them really well ### 1/5 — Don’t install it *2025-11-05* The app works for the controller but the main issues is you start getting those mcafee virus scan pop ups once you install it ### 1/5 — GREAT ! *2025-07-31* This would be a great thing to have if only it were for keyboard and mouse. Roblox is hard to play with only touch screen and I only have keyboard and mouse. But Roblox is not keyboard and mouse supported .. only controller supported. As I can not afford a game controller. ## Frequently asked questions about KeyLinker ### What does this app do? This app allows users to modify various parameters of controllers that support the Keylinker protocol. You can customize settings for keys, lamplight, vibrations, joystick, and trigger functions to enhance your gaming experience. ### What are the key features of this app? Key features include the ability to modify parameters for over ten functions of your controller, such as keys, lamplight, vibrations, joystick, and trigger. The app offers flexible parameter settings to greatly enhance the controller experience. ### Is this app free to use? Yes, this application is available for free. There are no associated costs for downloading or using its features. ### Can I use my controller with other devices while using this app? Yes, the controller can be connected to this app and other equipment simultaneously. This allows for concurrent use, providing flexibility in your setup. ## Version history (last 5 releases) ### 3.83 — 2026-08-14 Bug repair and function optimization ### 3.82 — 2026-08-13 Bug repair and function optimization ### 3.81 — 2026-01-22 Bug repair and function optimization ### 3.80 — 2025-04-24 Bug repair and function optimization ### 3.77 — 2024-11-18 Bug repair and function optimization ## Apps similar to KeyLinker | App | Rating | Price | Category | | --- | --- | --- | --- | | [Gamepad Space](https://appshunter.io/ios/app/gamepad-space/id1619921605) | 1.4 (53) | Free | Utilities | | [BEITONG Gaming Hall](https://appshunter.io/ios/app/beitong-gaming-hall/id1479667328) | 1.6 (25) | Free | Utilities | | [reWASD Mobile](https://appshunter.io/ios/app/rewasd-mobile/id1586976147) | 4.0 (13) | Free | Utilities | | [Flydigi Game Center](https://appshunter.io/ios/app/flydigi-game-center/id1454210823) | 2.3 (100) | Free | Utilities | | [ShanWan MFi](https://appshunter.io/ios/app/shanwan-mfi/id1569297499) | 3.1 (14) | Free | Utilities | | [8BitDo Ultimate Software](https://appshunter.io/ios/app/8bitdo-ultimate-software/id1532713768) | 2.4 (197) | Free | Utilities | ## Related topics [keylinker](https://appshunter.io/ios/topics/keylinker) · [joystick mapper](https://appshunter.io/ios/topics/joystick-mapper) · [my glue from glue up](https://appshunter.io/ios/topics/my-glue-from-glue-up) · [ifyoo](https://appshunter.io/ios/topics/ifyoo) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-15.*