Honest SIGN is a useful application that can automatically identify any products and products by the marking code. The database is updated daily, developers add new products and this guarantees the authenticity of the services. Check sellers for honesty, view the digital code through the application, find out if the product is original. A kind of application is a passport of absolutely any product sold, here you can see even its real shelf life. Stop paying for low-quality or fake goods, always check your purchases and do not let sellers heat you up.