Looking for the best eSIM for your trip to South Korea ? Discover our selection of the most reliable and cost-effective options for stay connected effortlessly.
1 - Ubigi
Ubigi eSIM features
🌐 Compatible networks : 3G, 4G, 5G
📱 Calls and SMS : Not included, only to dedicated messaging platforms (VOiP)
📈 GO available : 1GO, 3GO, 5GO, 10GO, 20GO, 24GO, 25GO, 50GO, Unlimited
⏳ Package duration : 1 day, 7 days, 15 days, 30 days, 180 days
⭐ User notes : 4.6/5 according to App Store on 4,700+ user reviews
Ubigi offers a prepaid eSIM for South Korea, ideal for staying connected as soon as you land in Seoul or Busan. Thanks to instant activation via QR code, you can access the Internet without a physical SIM card or roaming charges.
Compatible with all eSIM smartphones, this solution enables immediate connection to the Internet via SK Telecom's local 4G or 5G network. Visit packages start at €4 for 1 GB (7 days) and even unlimited packages at €69, valid for 30 days. The system SmartStart enables automatic activation on landing, and connection sharing is fully authorized.
2 - Saily
Saily eSIM features
🌐 Compatible networks : 3G, 4G, LTE, 5G
📱 Calls and SMS : Not included, only to dedicated messaging platforms (VOiP)
📈 GO available : 1GB, 3GB, 5GB, 10GB, 20GB, 100GB
⏳ Package duration : 7 days, 30 days, 180 days
⭐ User notes : 4.8/5 according to Google Play out of 25,000+ user reviews
Saily offers a practical solution for staying connected on your international travels. Specially designed for travelers, theeSIM Saily gives you instant access to the Internet as soon as you arrive in South Korea. This technology eliminates the need to search for a local SIM card, guaranteeing immediate, hassle-free connectivity. So you can share your experiences and surf without interruption right from the start of your stay.
With Saily, activation is quick and easy, giving you a seamless user experience throughout South Korea. Make the most of your trip to South Korea, whether exploring the vibrant metropolises or the serene landscapes, thanks to a reliable internet connection.
3 - Yesim
Yesim eSIM features
🌐Compatible networks : 3G, 4G, LTE, 5G
📱 Calls and SMS : Not included, only to dedicated messaging platforms (VOiP)
📈 GO available : 500MB to Unlimited
⏳ Package duration : 1 day to 30 days
💰 Price : From €0.50
⭐ User notes : 4.5/5 according to Google Play out of 4,500+ user reviews
Yesim offers a prepaid eSIM for South Koreaideal for travelers who want to stay connected without a physical SIM card. Activation is 100 % digital via QR code, with plans ranging from 3GB to 55GB or unlimited for up to 30 days.
Compatible with most eSIM smartphones, Yesim offers a stable connection from the moment you arrive, with no roaming charges, VPN included and connection sharing authorized.
How do I install an eSIM in South Korea on my smartphone?
Step 1: Before installation, make sure that your smartphone is compatible with eSIM technology. Check your device's specifications to confirm this essential feature.
Step 2: Get your eSI profile* specifically for South Korea from a mobile service provider. You will then receive a QR code or activation information by e-mail or on their application.
Step 3: Open your smartphone's settings, then access the section dedicated to cellular data or mobile connections and networks. The name may vary depending on the phone model.
Step 4: Select the option for add a new cell phone plan or add an eSIM. Choose to **scan the QR code** you received for your South Korea eSIM and let your phone detect it.
Step 5: Once the eSIM profile has been downloaded and added, activate this new package in the settings and make sure that **mobile data is enabled** to start enjoying your connection in South Korea.
Internet access in South Korea
To stay connected in South Korea, there are several options, each with its own advantages and disadvantages, to ensure you have access to the Internet.
Local SIM card or eSIM
Buying a local prepaid SIM card is a very popular and efficient solution. The main operators are KT, SK Telecom and LG U+. You can buy them easily at Incheon International Airport (ICN) on arrival, in convenience stores (such as GS25, CU) or in the operators' official stores around town. For travelers with a compatible phone, theeSIM is a practical alternative as it eliminates the need for a physical card and can often be activated before you even arrive. Many international providers offer eSIMs specifically for South Korea, simplifying the process.
- Advantages :
- Very good 4G/5G network coverage throughout the country, even in remote areas.
- Competitive rates for generous data packages, often including unlimited data for short periods.
- A local telephone number is available for reservations and local contacts.
- eSIM offers flexibility and often instant activation, without the need to handle a physical card.
- Disadvantages :
- Requires an unlocked phone to use a physical SIM card.
- Purchasing and activating a physical SIM card may take some time on arrival (registration sometimes required).
- eSIM requires a compatible phone and can sometimes be slightly more expensive than its physical counterpart for longer periods.
Pocket Wi-Fi (Egg Wi-Fi) rental
Pocket Wi-Fi, often referred to as "Egg Wi-Fi" in Korea, is a small, portable box that creates a private Wi-Fi hotspot. It's ideal if you're traveling in a group or have several devices to connect (phone, tablet, laptop). You can rent them at the airport (operator counters), in some main railway stations or via dedicated websites, with convenient collection and return options.
- Advantages :
- Fast, stable connection for multiple devices simultaneously.
- Often unlimited data plans, very practical for intensive use without worrying about consumption.
- Preserves your phone's battery, as the 4G/5G connection is managed by the external device.
- Ideal for groups or families, keeping everyone connected.
- Disadvantages :
- Daily rental costs can accumulate over a long period, making it potentially more expensive than a SIM.
- An extra device to carry and recharge every day.
- Requires pick-up and return, which can add a slight logistical burden at the beginning and end of your stay.
- Risk of additional costs in the event of loss or damage to the housing.
Free public Wi-Fi
South Korea is very well endowed with free public Wi-Fi, especially in the big cities. You'll find it in cafés, restaurants, shopping malls, subway stations, airports and sometimes even on buses and cabs. The Korean government has also set up public hotspots in many tourist areas and cities under the name "Free Wi-Fi Korea" or similar.
- Advantages :
- Totally free, reducing your expenses.
- Very widespread and accessible in urban and tourist areas, offering good spot coverage.
- Ideal for occasional needs, such as consulting a map, sending a quick message or checking e-mail.
- Disadvantages :
- Reliability and speed vary according to location and number of users connected.
- Not available everywhere, especially in rural areas or outside major points of interest.
- Potential security problems on unsecured (open) networks: we strongly recommend using a VPN.
- Requires proximity to a hotspot, limiting your mobility for a constant connection.
Choosing the best option will depend on the length of your stay, your budget, your data consumption and your need for mobility. For a short stay and high data consumption, a Pocket Wi-Fi or prepaid eSIM is often the best option. For a longer stay, a local SIM card is generally more economical. Don't hesitate to check specific offers from operators and rental companies before you leave, to find the option that best suits your mobility needs. connectivity in Korea.
The story of Meilleure-e-sim.fr began with a frustration: finding a reliable internet connection abroad without blowing the budget. As a digital nomad, I tested dozens of eSIMs on my travels, from Asia to South America, to stay connected. I soon realized that what was missing was a comprehensive comparison based on real tests and real opinions. That's how this site was born. Our mission is simple: to help you find the perfect eSIM for your travel needs, to save you money and simplify your life.
