Travel data,
done in 3 minutes
One-touch setup, connected on arrival. 100% refund if it won't install — transparent pricing, no surprises.
- Instant QR delivery
- 100% refund if it won't install
- 24/7 chat support
- 100K+
- Travelers served (example)
- 4.9
- Avg. satisfaction (example)
- 95%
- Would buy again (example)
- Reliable connection
- 100% refund if it won't install
- 24/7 chat support
- 90-day refund if unused
Trusted by travelers
Why Roamis is a different kind of travel eSIM
Won't install, murky pricing, refund runarounds — we take on the three biggest travel-eSIM complaints head-on.
Connected on arrival
Install before you leave; power on at your destination and you're online automatically. Works across many countries.
Transparent pricing
We write the price and terms right on the product page. No hidden fees — that's real transparency.
Won't install? Full refund
A 30-second compatibility check before you buy, and a 100% refund if it won't install. Can't connect on arrival? New code first, refund after.
90-day refund if unused
Haven't activated after purchase? Full refund within 90 days. Change of plans is no problem.
Why travelers choose Roamis
Instead of speed numbers, we focus on what actually matters on a trip.
Connected on arrival
Install before you go; just power on when you land.
Works across many countries
Broad coverage of popular spots — Japan, Vietnam, Thailand, China and more.
Instant delivery
Your QR is sent to the order page the moment you pay.
Full refund if it won't install
If it won't install, you get a 100% refund, anytime.
Where are you headed?
Pick a destination and see the stated starting price right away.
Connected across Asia's most-loved destinations
One Roamis eSIM, ready the moment you land. New destinations are going live continuously.
- Japan
- Vietnam
- Thailand
- China
- Taiwan
- United States
- Singapore
- Malaysia
- Indonesia
- + More coming soon
Three steps, faster than a parcel
Buy → install → use. Set it up before you leave, connect automatically on arrival. No counters, no deposits.
Order & pay
Your QR code appears on the order page the moment you pay.
Install by QR
Scan the QR on Wi-Fi before you leave to install the eSIM.
Land & connect
Power on at your destination and you're online automatically.
An eSIM is just a SIM you install by scanning a code
No shop, no plastic card, no swapping. Everything happens on your phone.
What is an eSIM?
A digital SIM built into modern phones. Buy online and install in minutes — your physical SIM stays put.
No physical card
Nothing to ship or insert. Scan the QR code we email you and the plan is ready.
Connect on arrival
Switch on the eSIM when you land and you're online — no roaming counters, no waiting.
Reviews travelers checked first
See real usage stories and choose with confidence.
Rated highly for easy install, reliable connection, and fast support.
* The reviews and figures above are sample data for layout purposes.
Backed by real guarantees, networks, and payments
Every order is protected end to end — from a carrier-grade connection to a refund if things don't work out.
90-day refund
Full refund on any unactivated eSIM.
Secure checkout
SSL-encrypted payments via Stripe.
24h support
Real people, day and night.
Instant delivery
QR code by email right after payment.
Carrier-grade networks
We connect through leading local operators in every destination.
- SoftBank
- KDDI
- China Mobile
- Chunghwa
- Singtel
- AIS
- Telkomsel
- Viettel
- KT
- SKT
- AT&T
Payments we accept
Manage everything in the Roamis app
Buy, install, and check usage all in one place. Be the first to know when it launches.
* The app is coming soon (in the works).
- Install your eSIM in one tap
- Check data usage in real time
- Reach 24/7 chat support
Good to know before you buy
Quick answers to the questions travelers ask most.
Next trip, no data worries
Japan · Vietnam · Thailand · China… wherever you go, you're online on arrival.
Explore destinations