Simday: Travel eSIM & Data

One-tap eSIM in 200+ countries. Unlimited data plans, included phone number on eligible plans, and 24/7 live human support — ready before your next trip.

Get mobile data in 200+ countries — in 60 seconds. No SIM swap. No roaming charges.

Buy a plan, scan the QR code, and you're online on a local network the moment you land. No airport kiosks. No tiny SIMs. No surprise bill when you get home.

WHAT YOU GET WITH SIMDAY

◆ One-tap activation. Scan the QR, tap install, connect — in 60 seconds. ◆ 190+ countries covered. From Tokyo to Lisbon to São Paulo, buy data that works on local networks the moment you land. ◆ Unlimited data plans. Stream, map, video-call, and post without watching the counter. ◆ Phone number included. Get a number with eligible plans so you can receive calls and texts while abroad. ◆ 24/7 live support. Real humans, not chatbots. Help whenever, wherever. ◆ Plan flexibility. Pay-per-GB, regional bundles, or unlimited — pick what fits your trip.

HOW IT WORKS

1. Open Simday and pick your destination.
2. Choose a plan that fits your trip.
3. Install your eSIM with one tap.
4. Land, toggle on, and you're connected.

WHO SIMDAY IS FOR

• Vacationers who want to skip roaming charges
• Business travelers hopping between countries on one trip
• Digital nomads working from anywhere
• Students studying abroad
• Anyone who's ever hunted for a SIM kiosk at 2 AM

DEVICE COMPATIBILITY

Simday works on eSIM-compatible phones. Not sure if your phone supports eSIM? Tap "Check my device" in the app. It takes 5 seconds.

WHAT'S AN eSIM?

An eSIM is a digital SIM card built into your phone. No physical card to swap. No mailing. No waiting. You download your plan, and your phone connects to a local network wherever you are.

SUPPORT

Questions before you travel? Problems while you're abroad? Our support team answers 24/7 inside the app. Real people, real answers, any time zone.

Download Simday, pick your destination, and get online in 200+ countries before your plane lands.

ABOUT SIMDAY

Simday is developed and operated by Vast Travel LLC.