Here is a list of what Icon Plus has to offer:

Design
* Modify the canvas size
* Choose between a coloured or transparent background
* Modify the start and end colours of the background gradient
* Modify the corner curvature of the background
* Modify the size and colour of the background border
* Modify the offset, colour, angle and blur intensity of the background shadow

Icon
* Select the image that will be placed in the center of the icon
* Modify the vertical and horizontal offset of the image
* Choose between a flat or coloured icon design
* Modify the colour, scale and rotation of the icon image
* Modify the offset, colour, angle and blur intensity of the image shadow

Text
* Enter the text that you want to appear on the logo/icon
* Modify the vertical offset, horizontal offset, colour, font type and font size of the text
* Modify the size and colour of the text stroke
* Modify the offset, colour, angle and blur intensity of the text shadow

Output
* Export your icon as an iOS icon set containing all the necessary icon sizes for an iOS app
* Export your icon as a Mac OS X icon set containing all the necessary icon sizes for a Mac OS X app
* Export your icon with a custom size
* Export your icon in either PNG, JPG, TIFF, GIF or BMP format

Compatibility: OS X 10.10 or later

Home Page - http://dayonesoftware.com/icon-plus.html