[iOS, MAC] Free: The Vector Converter + 16 Other Converter Apps @ Apple App Store

The Vector Converter & 16 other apps are free for a limited time. After Download - Go to Setting & click Promo & unlock for free to activate lifetime pass

Check out Wikipedia's Comparison of Raster to Vector Conversion Software if you want more options.

Other converters that are currently free:

• GIF Maker □ GIF Creator
• Guess Word! Forehead Charade
• Locker: Photo Vnzlt
• Tabata Timer
• Interval Timer
• The Image Converter
• The Audio Converter
• The Ebook Converter
• The Video Converter
• The Document Converter
• Video Merger

Mac Apps with the promo:

• The Audio Converter
• The Video Converter
• The Vector Converter
• The Ebook Converter
• The Document Converter

To unlock the promo in macOS: Install and open the App, go to "Help" up the top left and click "Promo"

via Being Askhole at OzBargain