The application allows you to check the balance of electronic travel cards Plantain (St. Petersburg) and Troika (Moscow). It is enough to turn on NFC in your phone and bring the card to it.

For Plantain cards, the application displays the following information:
- current balance recorded on the card;
- the cost of the last trip;
- date of last trip;
- type of transport (ground/metro);
- timer for the operation of the transfer fare;
- the cost of the next trip at the current transfer rate.

For Troika cards, the following information is displayed:
- current balance recorded on the card;
- date and time of the last trip.

Note: Not all NFC-enabled phones support e-ticket reading.