Now I am fan of TUC - The Unit Converter . Very creative app for construction guys as we can shortlist standard and even our custom unit conversions. I must mention their notes which I can send to my supervisor with SMS. MindStick TUC - The unit convertor link ...

I am in construction and have tried free iPhone 5S unit converter apps. Unfortunately none out there are good. Really tired of ads but that's what you get with free stuff so no complains. I am ready to buy paid one. My question: Is there any good unit converter application for iPhone 5S for...