How much does it cost deliver this... · Did my son become taller? Frequently check your child's height! · When your son asks you at the zoo, "Dad! How long is the kneck of that giraffe?". In addition, by installing Measure, you can know the length of everything, anytime, anywhere. ◆Absolutely accurate We have repeatedly improved this app since ARKit was released. As a result, Measure has the highest precision which other apps can't realize. ◆Experience the latest technology "AR (augmented reality)" ASAP! Bring the latest technology which has been growing remarkably recently. You can experience a strange feeling as if theres a REAL ruler in front of you.