Popolnashka is a mobile application that allows you to top up your mobile phone balance regardless of the time of day and your location. The main condition for a successful operation is access to the Internet. Online account replenishment is available for 140 operators worldwide. The top-up supports payment systems of the world standard Visa and MasterCard. The application is convenient to use while on vacation, business trip, or to replenish the account of your loved ones.