WallApp is an Android application that offers an extensive collection of original wallpapers for free. The app is developed by Simone Sestito and falls under the Personalization category. The app is compatible with Android 9.0 and follows modern Material guidelines.

WallApp has a fresh user interface, which provides an excellent user experience. The app offers original wallpapers, and every single wallpaper is made by the developers. Wallpapers are updated regularly, and users can preview the wallpapers before setting them as their home screen or lock screen. The app also has a preview mode, which allows users to try a wallpaper without losing their current one.

WallApp is built using the latest announcements in Android development, making it fast and efficient. The app is free to use and does not require any in-app purchases. Overall, WallApp is an excellent app for users who want to customize their Android devices with original wallpapers without spending any money.