There isn’t a way to password protect Kik, but you can keep your account more secure by enabling two-step verification. This will require you to enter a code whenever you log in, making it more difficult for someone else to access your account.
You can also set up a PIN lock on the app, which will prevent anyone from opening it without the PIN. For more tips on keeping your Kik account safe, check out this article: https://www.kik.com/safety/en/.
If you want to protect your Kik messages with a password, you can do so by enabling the app’s built-in security feature. To do this, simply go to the Settings menu within Kik and enable the “Password Lock” option. Once this feature is enabled, you will be prompted to enter a password whenever you open the app.
If you forget your password, you can reset it by going to the Kik website and following the instructions on the “Forgot Password” page.