As a rival to Withings' Wi-Fi-enabled scale for iOS devices, iHealth Lab's new iHealth Scale ($70) offers a more affordable alternative with similar functionality. The glass-topped, metal- and plastic-bottomed scale has a large digital display on its surface, and a compartment for four AAA batteries underneath. Used regularly, you just step on the scale and get your weight in pounds, kilograms, or stone without any iOS interaction. A free universal…
