Eras.er Superimpose Magic App is a fantastic photo editing app available for iPhone. It allows you to remove the background of any image and replace it with a background of your choice. With this app, you can easily create transparent images that you can use for presentations, logos, postcards, and more.

The app's editor function offers several features that allow you to modify your images further. You can add filters, adjust the white balance, modify the exposure, add crop options, change saturation levels, and add vignettes.

However, it is important to note that some of the app's features are only available through a monthly subscription, which costs $8.99 USD per month after a 3-day free trial. The subscription automatically renews unless you turn off the auto-renewal at least 24 hours before the end of the current period.

Overall, Eras.er Superimpose Magic App is an excellent photo editing app that provides a lot of value for its users.