配管tap is a productivity app by TOGUCHI Co., Ltd. with 100,000+ downloads (about 149K estimated). +290 installs in the last 7 days. Released Aug 9, 2012. Install growth, rank history, SDKs and ad networks.
From the store listing: “It is an application to calculate the dimensions and weight kg (surface area m2) of pipes (steel pipes), steel flanges, steel pipe joints, and PVC pipes. (Also, the quantity is calculated back from the weight.)”