4 GB
Data
5 days
Validity
$4.99
$1.25/GB
TSimTech eSIM South Korea 2026: Promo Code, Data Plans & Prices
TSimTech eSIM South Korea 2026: promo code, plans and prices. How much does it cost? Rates by days and GB, from the cheapest to the largest data package.
Traveling to more than one country? Add it to the search.
Updated Nov 9, 2026
TSimTech plans and prices for South Korea
TSimTech for South Korea FAQ.
Is there a TSimTech promo code for South Korea?
+
Yes. Use our code when you buy a South Korea plan on MobiMatter. Enter it at checkout.
How much does the cheapest TSimTech eSIM for South Korea cost?
+
The cheapest TSimTech eSIM for South Korea costs $4.99 and gives you 4 GB for 5 days. It's the regional eSIM, which also works in other countries. We recheck prices daily, so this price is up to date. You can buy it on MobiMatter, the eSIM marketplace that sells TSimTech plans.
Does TSimTech work in South Korea?
+
Yes, TSimTech works in South Korea on its South Korea-only plans and on its regional eSIMs. If your eSIM is installed but won't connect after you land, open your phone's settings and turn on data roaming for it. Your home SIM can stay as it is.
How much is a TSimTech eSIM for South Korea for 7, 15 or 30 days?
+
For South Korea alone, these are TSimTech's lowest prices by trip length:
- 15 days: $7.49 for 10 GB
- 30 days: $12.49 for 20 GB
TSimTech has no 7-day plan for South Korea.
Does TSimTech have an unlimited data eSIM for South Korea?
+
No, TSimTech has no unlimited plans for South Korea, so every plan comes with a set amount of data. Its plans run at full speed with no daily limit.
What is TSimTech, and is it good for South Korea?
+
TSimTech eSIMs are sold through MobiMatter, an eSIM marketplace, with plans covering 41 destinations.
How much does 1 GB of data cost with a TSimTech eSIM in South Korea?
+
With TSimTech, 1 GB in South Korea can cost as little as $0.48, on the plan with 50 GB for 30 days.
Does TSimTech have 5G in South Korea?
+
Yes, every TSimTech plan for South Korea has 5G. Your phone needs to support 5G too: on iPhone, that means an iPhone 12 or newer.
Can I use a TSimTech eSIM as a mobile hotspot in South Korea?
+
Yes, every TSimTech plan lets you share data through a personal hotspot.
Does TSimTech have a phone plan with a number for South Korea?
+
No, TSimTech's South Korea plans are data only, so your home number stays on your main SIM. You can still call and message people through WhatsApp or other apps.
Can I buy a TSimTech eSIM before my trip to South Korea and use it later?
+
Yes, you can buy it ahead, but activate it within 2 months of purchase. The days start with your first data use, so keep the eSIM switched off until you arrive.
Can I top up a TSimTech eSIM?
+
No, TSimTech eSIMs can't be topped up. If you run out of data, you buy a new package, and it comes with a new eSIM.
Does TSimTech have a regional eSIM that works in South Korea?
+
Yes, TSimTech has 20 regional plans that cover South Korea and other countries. These keep you online as you cross borders. But if you're only going to South Korea, a South Korea-only plan costs less. For example, 20 GB for 30 days is $12.49 on the South Korea eSIM and $14.99 on the regional one.
Guides and reviews.
Best eSIM for South Korea in 2026: 5 Plans I Recommend
Best eSIM for South Korea in 2026: I compare travel eSIMs with unlimited data, calls and hotspot, and say when a Korean SIM card is worth it.
Ubigi eSIM Review 2026: Is It Good? Prices and Networks
Ubigi eSIM review: is Ubigi legit and who owns it? Data plans and prices, 5G networks, unlimited data, hotspot, top-ups, refunds and what buyers say.
Saily eSIM Review 2026: Prices, Unlimited Data and Ultra
Saily eSIM review: is Saily legit, who owns it, how it works, how much it costs, unlimited data, hotspot, phone number, Saily Ultra and refunds.