To create a custom keyboard in iOS, you will need to create a new target in Xcode and build a custom keyboard extension. Follow these steps to create a custom keyboard in iOS: Open Xcode and create a new project. Choose "Application" under the "iOS" tab and select "Keyboard Extension" from the list of templates. Choose a name for your keyboard and click "Finish" to create the project. Xcode will create a new target for your keyboard extension. Open the "MainInterface.storyboard" file in your project and design your keyboard layout. Add new keys to the keyboard by dragging them from the "Object Library" to the keyboard view. Customize the appearance and behavior of each key by adding IBActions and IBOutlets to your view controller code. Test your keyboard by running the app on a device or simulator. To enable your keyboard on your device, go to "Settings" > "General" > "Keyboard" > "Keyboards" > "Add New Keyboard" and select your custom keyboard. Once your custom keyboard is added to the list of keyboards, you can switch to it by tapping the globe icon on your iOS keyboard. You can add additional features to your keyboard, such as autocorrection, predictive text, and gestures. To do so, refer to the Apple documentation on custom keyboard extensions. Once you are satisfied with your keyboard, you can submit it to the App Store for others to download and use. That's it! With these steps, you can create a custom keyboard in iOS and customize it to meet your needs. Visit Blog To Know More in Brief : https://blog.yudiz.com/custom-keyboard-extension-in-ios-app-development/