Mono is a personalization app developed by AleCot Labs. It is a wallpaper app that lets you create your own wallpaper with a simple and stylish look. The app offers two options to choose from - Solid or Gradient (Linear, Radial, or Sweep). You can select one or more colors to create your personalized wallpaper.

Apart from creating wallpapers, you can also set them as your device wallpaper within the app, share them as an image, or save them on your device.

The user interface is simple and easy to navigate. The app is perfect for users who want a minimalist yet stylish look for their device wallpaper.

However, the app lacks a search option for specific colors or themes, which could be a drawback for some users. Overall, Mono is a great app for users who want to create their own personalized wallpapers with ease.

Note that the developer can be contacted through their social media handles mentioned in the app.