NiceLock is an ad-free and paid version of the popular NiceLock. The main difference between the two is that in this version, you can customize your phone’s UI by installing various customization modules. The app offers various functions such as the night mode option, the option to change the color of the icons and the background color. You can also customize your phone’s icon pack by installing various packs. It is a great option for those who want to change the look of their phone. You can also edit the color of the icons and change the background color. The app is updated with a fresh, clean Material Design UI.