Firstly, download and install this SWF to MP3 Converter for Mac/Windows, run it. Hit Select file to import your SWF file to the program. .
The very first thing you should do is to download the Mac SWF Converter. After running, click "Select File" button to import target swf file into the program. You can view the file on the interface then.
The converter offers many popular video formats to meet your requirement. For the purpose of converting SWF to MP3, we should click "Profile" button and then choose "Common Audio"-"MP3 (*.mp3)" as the output format.
Have chosen the output format, you can click folder-shaped icon to specify the output path for saving the files. Besides, video setting and audio setting are also available for your preference.
Lastly, hit the Convert button to start converting SWF video to MP3. In a short while, you will get the MP3 audio file. And then, you can transfer it to your iPhone to enjoy anytime anywhere.