Collage Maker is an app for creating, editing, and sharing photo collages. It allows you to combine several pictures into one, applying different styles and effects to create the perfect result. 

The app comes with a number of templates, including different categories such as birthday, vacation, and couples, as well as many more. The templates are simple to use, and you can apply different styles and effects to your photos to create a unique and personal collage.

You can use the app to create a collage using the photos from your Camera Roll, or you can select a template and combine several photos into one.

You can apply different styles and effects to your photos, including adding text and different colors. You can also use the app to create a collage using a template, and you can apply the same style and effect to all of the photos in the collage.