Skip to main content
Fizen eSIM is a travel eSIM that gives you mobile data in 150+ countries, bought and activated entirely inside the Fizen App. Pay with USDT or your bank card, tap one link to activate, and land connected — no SIM swaps, no roaming charges, no surprises on your phone bill. Explore plans and destination pricing at fizen.io/esim.

Get eSIM in the Fizen App

Buy and activate in 2 minutes — right from the app

​
What is Fizen eSIM?

An eSIM is a digital SIM built into your phone — no plastic card, nothing to swap. Fizen eSIM lets you install a local data plan for your destination before you fly, so mobile data works the moment you land. It runs alongside your regular SIM: your number stays active for calls and texts, while the eSIM carries your internet at local prices instead of roaming rates.

​
Why travelers choose Fizen eSIM

  • Lower like-for-like prices — on equivalent fixed-data plans, Fizen typically prices below Airalo, Saily, Holafly, and Nomad
  • 150+ countries — single-country, regional, and global data plans in one app
  • Pay with USDT or fiat — USDT straight from your wallet, or Visa/Mastercard, Apple Pay, and Google Pay via Stripe. No bank account needed
  • One-click activation — tap the activation link after purchase. No QR codes, no manual setup
  • No roaming charges — fixed price upfront, zero surprise bills
  • 1:1 Trip Guarantee — if a fault on our side stops your eSIM working, free 1-for-1 replacement for the entire trip, or a refund for the days you couldn’t use
  • Returns before installation — plans change? Most plans can be returned before you install the eSIM, for a refund (flat $1 fee)
  • 100% human support — live chat with a real person, not a bot

​
Fizen eSIM vs Airalo, Saily, and Holafly

On like-for-like fixed-data plans, Fizen typically prices below Airalo, Saily, Holafly, and Nomad — and it’s the only one that lets you pay with USDT, return unused eSIMs on refundable plans, and chat with a real human instead of a bot. Compare destination prices yourself at fizen.io/esim.

​
Who it’s for

  • Travelers who are done paying $10/MB in roaming fees
  • Digital nomads hopping between countries every few weeks
  • Business travelers who need instant data the moment they land
  • Anyone comparing Airalo or Saily prices — check ours first
  • Anyone who holds USDT and wants to spend it on something useful
eSIM is available inside the Fizen Super App — the same app you use for Card, QR Pay, and everything else.

​
Guides

$10 App Welcome Credit

New users from 19 August 2026 get $10 of promotional credit automatically in the app

How to Buy an eSIM

Purchase and one-click activation

Supported Devices

Check if your phone supports eSIM

1:1 Trip Guarantee

Free 1-for-1 replacement or refund

All eSIM guides

Payments, manual install, data balance, troubleshooting and FAQ

Plans & Pricing

Browse destinations on fizen.io/esim

​
Keep reading