Icon Pro let’s you quickly create icon assets for your iOS/OSX apps: Just drag your high resolution artwork (preferably, a PNG file at 1024×1024) into the app’s window, select a directory for exporting the results, and you’re set.
Icon Sizes Exported
iOS:
1. 29 pt @2x, 29 pt @3x
2. 40 pt @2x, 40 pt @3x
3. 60 pt @2x, 60 pt @3x
4. 29 pt @1x, 29 pt @2x
5. 40 pt @1x, 40 pt @2x
6. 76 pt @1x, 76 pt @2x
7. 83.5pt
8. 1024pt @1x
macOS:
1. 16×16
2. 32×32
3. 64×64
4. 128×128
5. 256×256
6. 512×512
7. 1024×1024
