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Pro Offers instant previews of icons on mockups
Pro Also supports .psd files
Next to the usual .jpg and .png files, MakeAppIcon Web also supports the import of .psd documents.
Pro Supports batch resizing
Pro Exports to formats for iOS, Apple Watch, Mac and Android
Con Higher price in the Mac App Store
The software is available for purchase on the official website for $9.99, but the developers ask a higher price of $14.99 in the Mac App Store because Apple takes a 30% cut.