Korea User Manual, Rule 6: Get a Transit Card the Day You Land (T-money vs M-Pass)

If you're still buying single subway tickets one ride at a time, stop. You're wasting time in line and, depending on your card choice, wasting money too.

The Baseline: T-money

T-money is the standard rechargeable transit card, sold at convenience stores (Seven Eleven, CU, GS25) and subway stations. Tap in, tap out, works across buses and subways nationwide, and transfers between them are discounted or free within the window. This alone beats buying single tickets like Rule 1 of transit efficiency.

Get one on day one. There's no reason not to.

Survival Tip: CASH ONLY for Reloads!
You can buy the empty T-money card with a credit card at a convenience store, but you can ONLY reload it with Korean won cash (KRW). The machines inside subway stations do not accept credit cards. Always keep a few ₩10,000 bills on you for your transit card.

The Upgrade: Foreigner-Only M-Pass

If you're planning to hit Seoul and Jeju hard with public transit, the M-Pass is worth a serious look. It's an unlimited-ride pass, foreigner-only, similar to the Korail Pass in spirit — you're getting access locals can't.

Pricing Structure

Duration Price After 5PM Discount
1 day ₩15,000 ₩12,000
2 day ₩23,000 ₩20,000
3 day ₩30,500 ₩27,500
5 day ₩47,500 ₩44,500
7 day ₩64,500 ₩61,500

Up to 20 rides per day are covered. A ₩5,000 refundable deposit applies, refunded when you return the card (minus a ₩500 processing fee).

T-money vs. M-Pass — Which One?

  • Light transit use, mixed with walking/taxis: T-money, pay as you go.
  • Heavy transit use (Seoul or Jeju, multiple rides a day): M-Pass. Do the math against your expected ride count.
  • Traveling outside Seoul/Jeju to other regions: T-money, since M-Pass regional coverage is more limited.

Quick way to check if M-Pass is worth it: count how many rides you'll realistically take per day. At 20 rides a day covered, the M-Pass pays off fast if you're sightseeing hard — but if you're taking 3–4 rides a day, T-money's pay-per-ride model is cheaper.

Bottom Line

Whichever you pick, pick one on day one. The difference between fumbling for exact change at every turnstile and just tapping through is one small card — get it before you need it, not after you're already annoyed.

← Back to Rule 0: The Complete 13-Rule Guide
← Previous: Rule 5 (Regional Trains)

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