Connect to Korea's fastest networks without a SIM swap
Buy in a minute, install before you fly, and be online the moment you land. No contract, no roaming bill, no SIM swap.
- ✓Refund if you can’t connect
- ✓Real human support by email
Why an eSIM instead of your carrier’s roaming?
Up to 10x cheaper
Carrier travel passes charge $10–$15 a day. A travel eSIM costs a fraction.
Local 4G/5G networks
You connect to the best local operators in each country.
No SIM shop hunting
No airport queues, no plastic SIM, no passport registration.
Keep your number
Your number stays on your main line; the eSIM just handles data.
Popular destinations
See all destinations →How it works
- 1
Pick a destination and plan
Pay once. No subscription, no surprise charges.
- 2
Install the eSIM
Your QR code arrives instantly. On iPhone it installs with one tap.
- 3
Land and connect
Turn on data roaming for the eSIM line. Your usual number keeps working for WhatsApp and iMessage.
Regional and global plans
Travel and eSIM guides
Guides →4G vs 5G eSIM for Korea: Which Travel Plan is Best?
Deciding between 4G and 5G eSIM for South Korea? Compare speeds, coverage in Seoul and Busan, and data needs for Naver Map, K-pop fans, and foodies.
Read guide →Android Network Reset Korea: Fix eSIM Connection Issues
Learn how to reset network settings on Android for Korea travel. Fix eSIM connection issues to use Naver Map and Kakao apps on SKT and LG Uplus networks.
Read guide →Baemin App for Foreigners: How to Order Food Delivery
Learn how to use the Baemin app for foreigners in Korea. Discover delivery workarounds, why you need 5G data, and how to stay connected in Seoul and beyond.
Read guide →Basic Korean for Travelers: Essential Shopping & Dining Phrases
Master essential Korean phrases for shopping and dining. Learn how to navigate Seoul and Busan with ease while staying connected via a SeoulSIM eSIM.
Read guide →Best 90-Day eSIM for Digital Nomads in South Korea
Planning a 3-month stay in South Korea? Discover the best 90-day eSIM options for digital nomads to ensure high-speed 5G data for work and travel.
Read guide →Best eSIM for Hikers: Coverage in Seoraksan and Bukhansan
Planning to hike Seoraksan or Bukhansan? Get the best signal with a South Korea eSIM. Learn why local networks beat roaming for high-altitude 5G data.
Read guide →Frequently asked questions
Is my phone compatible?+
Most phones since 2019 (iPhone XS or newer, Galaxy S20 or newer, Pixel 3 or newer) support eSIM. Your phone must be carrier-unlocked.
When does the validity start?+
When the eSIM first connects to a network at your destination, not when you buy it. You can install it days before you leave.
Do I get a phone number?+
No. Plans are data only. You can still use WhatsApp, FaceTime and internet calls with your usual number.
What if it doesn’t work?+
Email us. If you can’t connect and we can’t fix it, we refund you.
Can I top up?+
Yes, in many destinations you can add data to the same eSIM.