(Korea) Getting a Subway Card in Korea as a First-Time Tourist: T-Money vs. WOWPASS

That was my crash course in Korean transit: international credit cards rarely work directly at subway gates or on city buses.

To get around Seoul, Busan, or anywhere else in Korea smoothly, you need a local transit card right away. Here is my firsthand experience setting up a transit card upon arrival, comparing the classic T-Money Card and the newer WOWPASS Card, so you can choose what works best for your trip.

1. T-Money vs. WOWPASS: Key Differences

2. How and Where to Buy

Buying a T-Money Card 

When I landed, my first stop was the CU convenience store inside Terminal 1.

• Where to Buy: Airport convenience stores (CU, GS25, 7-Eleven), subway station vending machines, and airport tourist information centers.

• Requirements: Cash (Korean Won) only.

• My Experience: I walked up to the clerk, picked out a cute Line Friends card design, and handed over local cash. Keep in mind: you must pay for the card and top-up with Korean Won (KRW) cash.

Buying a WOWPASS Card

• Where to Buy: WOWPASS automated kiosks located at Incheon/Gimpo Airports, major subway stations (Myeongdong, Hongdae, Seoul Station), and select hotels.

• Requirements: Valid passport and foreign currency (USD, EUR, JPY, TWD, SGD, HKD, etc.).

• My Experience: The kiosk interface had full English options. I scanned my passport, inserted USD cash straight into the slot, and the machine issued an active card pre-loaded with local KRW in less than 2 minutes.

3. How to Top Up (Recharge)

Important Note: WOWPASS has two separate balances on one card—a Prepaid Shopping Balance and a T-Money Transit Balance.  

Topping Up Your Transit Balance (Both Cards)

• Location: Any subway station automated ticket machine or convenience store register.
• Payment: KRW Cash ONLY. You cannot top up transit funds using an international credit card.

Topping Up WOWPASS Shopping Balance

• Location: WOWPASS kiosks or directly through the app using your linked credit card.
• Payment: Foreign cash (USD, EUR, JPY, etc.) at kiosks, or digital payments via the app.

4. Refund Process

T-Money Refund

• Where: Any convenience store (CU, GS25, 7-Eleven) for balances under 20,000 KRW. For larger balances, visit subway service centers.

• Fee: 500 KRW service fee.

• Note: The initial card purchasing fee (~4,000 KRW) is non-refundable.

WOWPASS Refund

• Shopping Balance: Cash out up to 100,000 KRW directly from any WOWPASS kiosk (1,000 KRW fee applies).

• Transit Balance: Must be refunded separately at a subway station ticket machine or convenience store following standard T-Money refund rules.

5. Short-Term vs. Long-Term Stay: Which Should You Choose?

Choose WOWPASS if:

• You are visiting for 1 to 14 days.
• You don't want to waste time at airport currency exchange counters or hunt down ATMs with international conversion fees.
• You want one card for buying street food, street shopping in Hongdae, and tapping onto the subway.

Choose T-Money if:

• You are staying for a month or longer (students, digital nomads, workers).
• You already have a Korean bank account or local debit card.
• You just want a low-cost, straightforward transit pass without managing a separate prepaid shopping wallet.

6. Essential Tips & Pro-Tips

• Always Carry Emergency Cash (KRW): Neither card allows credit card top-ups for transit at subway ticket machines. Keep a 10,000 KRW note in your pocket just in case.

• Download the App Early: Link your WOWPASS card to the WOWPASS mobile app immediately upon setup to enable instant pause features if you lose your card.

• Tap On and Tap Off: Always tap your card when entering and exiting buses and subways in South Korea to ensure proper transfer discounts (valid within 30 minutes).