I bought the Pollenex foot spa for my husband a couple of years ago for Christmas and as we do share certain things I also use it too. I find it very soothing for my feet after a long day at work. This foot spa has four settings (vibration and heat)(bubbles and heat)and vibration bubbles and heat and off. It also has the little plastic stubbies in the bottom to massage your feet. The Pollenex has worked well since I bought it and is easy to clean but you do have to add hot or very warm water to start with.
I guess you could buy more sophisticated foot spas but for the money this one suits me just fine and my husband likes it too. I through some body prescriptions foot spa lavender sage foot soak for a nice smell and to help soften my feet or sometimes clinical works spearmint and eucalyptus foot soak and after about an hour my feet feel great and they are softened.
Well if you are on a low budget and cant afford a hot tub or go to the spa then this little foot spa will help those tired aching feet.