SupaSIM is not the cheapest eSIM. For each destination we list only routes we have picked: Japan on NTT docomo with a local Japanese exit, the US on Verizon / AT&T, and 34 European countries with an exit inside Europe. Which networks you connect to and where your traffic exits are stated before you order.
Leading local networks such as NTT docomo, SK Telecom, AIS and Verizon / AT&T
Every plan states where traffic exits; the Japan docomo and US plans use a local IP
The 30 days start when you first connect, and you can activate within 180 days of purchase
Your eSIM is issued automatically once you pay; the QR code is emailed and saved to your wallet
Billed per day, so longer trips cost more
Traffic is routed back to your home country, which limits access to overseas services
Throttled once the daily allowance is used
Low price, with route trade-offs that usually go unstated
Traffic may detour through a third location, adding latency
Fewer networks to connect to, and slower speeds after the cap
Leading local carriers by name, with the exit region listed on every plan
Local IP exit on the Japan docomo and US plans; Europe exits inside Europe
Data is valid for 30 days, so you never have to buy by the day
Japan, South Korea, Hong Kong, Thailand, Singapore–Malaysia–Thailand, 34 European countries, the US and global · carrier and data exit listed on every plan
NTT docomo network with a local Japanese exit; use 5GB within 30 days. Suited to a short trip of about a week.
NTT docomo network with a local Japanese exit; use 10GB within 30 days. The go-to plan for a one- to two-week trip.
NTT docomo network with a local Japanese exit; use 20GB within 30 days. Suited to longer stays, business trips and heavy use.
1GB of high-speed 5G data per day; after that, 128 kbps without being cut off, resetting automatically the next day.
NTT docomo network with a local Japanese exit; a generous 50GB over 30 days. Suited to long stays, remote work and settling in as a student.
Connects automatically to docomo, au, SoftBank and Rakuten. 2GB of high-speed data per day, then 1 Mbps until it resets the next day. Traffic exits via Hong Kong.
SK Telecom and LG U+ dual network; use 10GB within 30 days. Traffic exits via Singapore.
SK Telecom and LG U+ dual network; use 20GB within 30 days. Traffic exits via Singapore.
csl and SmarTone dual network; use 10GB within 30 days. For use in Hong Kong only. Traffic exits via Singapore.
Connects automatically to AIS, DTAC and TrueMove H; use 10GB within 30 days. Traffic exits via Singapore.
Connects automatically to AIS, DTAC and TrueMove H; use 20GB within 30 days. Traffic exits via Singapore.
One eSIM for Singapore, Malaysia and Thailand; use 10GB within 30 days. Traffic exits via Hong Kong.
Covers 34 countries including France, Germany, Italy, Spain, the UK, Switzerland and Türkiye, with several carriers in each. Traffic exits inside Europe; use 10GB within 30 days.
Covers 34 countries including France, Germany, Italy, Spain, the UK, Switzerland and Türkiye, with several carriers in each. Traffic exits inside Europe; use 20GB within 30 days.
Verizon and AT&T dual network with a local US exit; use 10GB within 30 days.
Verizon and AT&T dual network with a local US exit; use 20GB within 30 days.
One eSIM for more than 120 countries and regions, switching to the local network automatically across borders; use 5GB within 30 days. Traffic exits via Europe.
No SIM swap needed. Scan to install over Wi-Fi before you leave.
Pick a plan by destination and data, then pay securely through Stripe in JPY, CNY or USD.
Open the install QR code from your wallet or email, then scan it under Settings › Cellular › Add eSIM on your phone.
When you arrive, switch cellular data to this eSIM and turn on Data Roaming to get online. Validity starts counting from this moment.