A simple program designed to help you with the purchase cartridges and other consumables for your printer. You select your printer, and get a list of prices. The app will remember your printer model. This will help you make the right choice and check the price when buying cartridges in the store. Or you can make an order through the app in Interlink with delivery in Moscow and across Russia. We are on the market for over 25 years. The app is free and there is no advertising, and it is very simple to use.