My mum has heel spur in both her feet and she feels pain while walking at odd lengths or while standing for long, We did not want to get her operated so we found this solution online which is very helpful. The airheel is very soft, comfortable and easy to wear.
My mum wears it day in n out and even while sleeping. It has given her a great deal of relief from pain. Not sure if this is a permanent solution, but for temporary relief from pain if you do not want to get operated, this is a good option for this price.