Zesimer
Instant eSIM · No roaming bills

Travel eSIMs for 190+ countries — online the moment you land

2,800+ plans · 190+ countries · instant delivery

Best Value

Trending eSIM plans

Popular destinations travellers are buying right now — instant delivery, activate when you arrive.

Get connected in 4 steps

How Zesimer works

From choosing a plan to going online abroad — the whole journey takes under two minutes.

1. Shop

Choose a prepaid data plan for your destination from 190+ countries.

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2. Install

Scan the QR code to install your eSIM on your phone before you travel.

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3. Activate

Connect instantly to fast local internet the moment you arrive.

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4. Explore

Enjoy reliable high-speed data throughout your whole journey.

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The smarter way to stay online

Why smart travellers choose Zesimer

Traveller using a phone abroad

Plans from $0.62/GB

Only pay for the data you need — top up anytime.

Instant internet

Arrive at your destination and enjoy fast mobile data straight away.

No SIM card needed

Buy an eSIM online and add it to your phone in a few taps — no plastic SIM.

Keep your number

Your eSIM runs alongside your main SIM, so you still get calls and texts.

Budget-friendly

Plans start from just a few dollars. Only pay for the data you actually need.

No roaming charges

Don't get stuck with an expensive phone bill. Pay local rates with an eSIM.

Anywhere you go

Cross borders and connect to top local networks in 190+ countries worldwide.

Ready for your next trip? Get connected before you take off.

Pick a plan, install your eSIM, and land already online. It takes less than two minutes.

Frequently asked questions

Everything you need to know about travel eSIMs before you buy.

An eSIM is a digital SIM built into your phone. Instead of inserting a plastic SIM card, you install a mobile data plan by scanning a QR code. With Zesimer you buy a plan online, receive an eSIM instantly, scan it, and connect to a local network when you arrive — no physical SIM swap needed.