Transit Card Balance Reader

Transit Card Balance Reader checks the balance on your transit card with NFC — in Korea, Japan, Hong Kong and mainland China, from one app.

Supported cards

• Korea: T-money, Cashbee, nationwide-compatible transit cards
• Japan: Suica, PASMO, ICOCA, Kitaca, TOICA, manaca, PiTaPa, SUGOCA, nimoca, Hayakaken
• Hong Kong: Octopus
• China: T-Union, first-generation Shenzhen Tong

Key features

• Shows the balance in the card's own currency (won, yen, Hong Kong dollars, yuan)
• Converts it to your home currency for travel (15 currencies)
• Transaction history on cards that record it
• Card number, validity period and card class
• Available in 13 languages

How to use

1. Tap Scan Card — no setup or sign-up needed.
2. Hold your transit card against the top back of your iPhone.
3. Wait for the balance and card details to appear.

The NFC read position can differ by device. If the card does not read, move it slightly and hold it steady again.

Requires iOS 15.0 or later and an NFC-capable iPhone. Japanese transit IC cards, Octopus and first-generation Shenzhen Tong use FeliCa and require an iPhone 8 or later. China T-Union cards use ISO 7816.