Free PSD App Icon Template
App icon template helps you in designing app icons. This template contain different icon sizes (512x – 96x – 72x – 48x – 36x). It’s easy to use, you actually don’t have to edit all of them. No, you just need to edit the 512 icon layer then the other sizes will change automatically.
1- Double click on 1. EDIT ICON SMART OBJECT layer inside 512px group/folder to open it in a new tap.
2- Change the background color by double click on bd layer.
3- Add your logo or whatever you want. Then Save the work [ctrl+S].
4- Done! Go back to the main PSD file. All the icons should be updated.
Now create a new work [ctrl+N] then drag and drop the icons.
Or you can save only the 512px icon on PNG format. Then use this tool [Launcher Icon Generator] to have multi-sized app icons.
Any questions feel free to ask.