KnitsThatFit Hats app for iPhone and iPad

The app that creates your own unlimited custom hat knitting patterns!
Knitting patterns for beanie and bobble hats, in any yarn, to your chosen measurements, right on your device!
Choices of stitch patterns - e.g. stockinette, cable, moss stitch, rib.
Row counters for each pattern, to keep track of your progress.
You can create as many patterns as you like and save them in your pattern list. Copy and edit settings to create a new pattern more quickly.  
Patterns are generated in text format and can also be saved in PDF format and printed with AirPrint.
Customisable features include :
• the yarn - input the gauge (tension) that it knits to
• head size
• hat length
• rib options
• knitting flat or knitting in the round
• work in cm or inches
• use metric, US or old UK knitting needles