Using Apple Pay on the London Underground (the Tube) is exactly the same price as using a traditional plastic Oyster card or a physical contactless debit/credit card. In 2026, Transport for London (TfL) utilizes a standardized "pay as you go" fare system across all these methods. The primary financial advantage of using Apple Pay lies in Daily and Weekly Fare Capping. When you tap in and out with your iPhone or Apple Watch, the system automatically calculates the cheapest total fare for your journeys, ensuring you never pay more than the price of a daily or weekly travelcard for the zones you visit. . Unlike the Oyster card, which requires a £7 deposit and manual top-ups, Apple Pay pulls directly from your bank account, eliminating the risk of having "stuck" funds on a piece of plastic. Additionally, Apple Pay's "Express Mode" allows you to tap through gates without waking or unlocking your device, making it the most efficient and cost-effective way to navigate London's transit network without any extra fees or surcharges.