Welcome to Gold Test + app. This app is the cheapest and easiest way to determine gold & silver items purity! Best choice for your business! Using this app you will easily perform gravity and density test calculations. You will be able to test full volume of golden ans silver items without damaging or cutting them. Be protected from buying fake gold. Also, app will provide you exact price of tested item. Also you can follow real time online gold and silver prices provided by www.goldprice.org . App interface includes more than 50 languages. Prices provided on more than 145 currencies. Please watch introducing video, you will find answers on your questions. We are sure that you will be amazed how useful will be this app for you!
See user manual:
Text version:https://hhkoapps.wixsite.com/how-to-check-gold/user-manual-eng
Video version: https://www.youtube.com/watch?v=xX3ejFFuAqQ