Siima 5G eSIM mobile internet

Skip the roaming fees and airport SIM kiosks. Siima gets you online the moment you land — buy a local data plan, install it in seconds, and stay connected in over 150 countries.
WHY SIIMA
• Instant activation — install your eSIM before you even board, and it's ready the second you land
• No physical SIM — no swapping cards, no losing your home number, no hunting for a pin to eject the tray
• 150+ countries — single-country and regional plans covering the destinations travelers actually go
• Transparent pricing — see exactly what you get before you buy, plans starting at just a few dollars
• Keep your number — your regular SIM stays in for calls and texts while Siima handles data
HOW IT WORKS
1. Pick your destination and a data plan that fits your trip
2. Pay securely and get your eSIM instantly — no waiting for shipping
3. Scan the QR code to install (most phones take under a minute)
4. Land, turn on data roaming for the eSIM, and you're connected
MANAGE YOUR TRIPS
Track data usage in real time, see exactly how much is left on your plan, and top up in the app if you need more before your trip ends. Your eSIM history is all in one place, so reordering a plan for your next trip takes seconds.
FOR TEAMS AND FREQUENT TRAVELERS
Buying eSIMs for a group or a business trip? Siima supports bulk purchases and business accounts so you can manage data plans for a whole team without juggling separate orders.
COMPATIBILITY
Siima works with any recent iPhone that supports eSIM (iPhone XS and later). Check your carrier settings to confirm eSIM is supported and unlocked before you travel.
SUPPORT
Our support team is available if you run into trouble activating a plan or have questions before you travel — reach us right from the app.
Stay connected wherever you're headed. Download Siima and get your first eSIM in minutes.