500+ Networks
Affordable eSIM & SIM Cards for 150+ Countries: Olysim
Instant 4G/5G DATA Activation
100% Internet Connectivity
24/7 Support
Choose Your Country
Why Travelers Choose Olysim
4.9 Star Overall App Ratings
90% Cheaper Than Roaming
eSIM or Physical SIM
150+ Countries
500+ Networks
24/7 Support
4.9 Star Overall App Ratings
90% Cheaper Than Roaming
How It Works in 3 Steps
Phone does not support eSIM? Choose a physical SIM at checkout and we deliver it to your address.
Discover data plans
Select your destination and data package.
Get your eSIM or SIM
Scan the QR code, or we post a physical SIM.
Active your plan
Enjoy 4G / 5G data like your local SIM card.
Buy a SIM at the airport
Who wants to line up at a booth after a long flight?
Share a Wi-Fi device
Going on a solo detour? No internet for you!
Turn on international roaming
Starting, a surprise bill could be waiting...