Sweet Coloring is a fun number coloring app for users to create beautiful drawings in a simple and easy way. It's also a great app for learning colors and numbers.

The app will let you choose your favorite images for coloring. It supports free coloring by using the numbers. After that, you can add some colors to customize the drawing.

Just tap the numbers and use your finger to choose the corresponding color. If you're looking for an iPhone app to help you release your creative juices, this would be the perfect choice.