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| Oyster | U’Go | Proposed system |
| Scope of application | Public transportation | Public transportation | Public transportation |
| System technology | Contactless smart card using MIFARE technology | NFC smartphones running Android | NFC smartphones running Windows Phone 8 |
| Payment system | Stored value smart card, possibility to link card to bank account for “auto top up” | Payments charged to the user’s mobile phone bill or paid via their bank card | Prepaid tickets, bought through PayPal, using the mobile application |
| Ticket validation | Need to touch smart card on a reader at ticket gates at the start and end of a journey | Need to tap phone against the tag located in tram stations or in buses to validate prepaid ticket before travelling | Need to tap phone against the tag located in trams, trolleybuses or buses to validate prepaid ticket before travelling |
| Services related information | - | None | Bus lines information, routes, stations |