Sliding Ruler + Tape Measure
Measure up to 10 feet with just your iPhone or iPod Touch.
DEMONSTRATION VIDEO: click on "JetWare Website" link below (or search YouTube for "supportjetware").
Accurate from fractions of an inch to many feet.
Displays inches, feet, centimeters, meters.
Three modes: inches/feet, centimeters/meters, autosliding
Simple to use.