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One Sim

Name: One Sim
Availability: InStock
Rating: 1 (1 reviews)

Skip the QR codes and roaming headaches. Get seamless 4G/5G data across Europe, Asia, and the Americas with a single setup that works for every trip you take.

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Key Figures

Downloads

1K+

User Rating

1.0/5

Total Ratings

Publisher

Horizon Digital Ventures L.L.C.

Travel Smarter, Not Harder

Say goodbye to QR codes and expensive roaming. With One Sim, you install your profile once and get instant 4G/5G data whenever you cross a border.

Install Once, Use Forever

No more deleting old profiles or scanning QR codes in crowded airports. Set up your eSIM once and simply add new data packages whenever you travel.

One Plan, Entire Regions

Perfect for multi-country trips. Purchase a single regional package and stay connected seamlessly as you hop between borders by train or plane.

The following screenshots and description are sourced directly from the app's official store listing and are the property of the app developer.

App Store

Screenshots

One Sim - Interface of the One Sim app displaying various travel data plans for Europe including 1GB 3GB and 5GB options — Interface of the One Sim app displaying various travel data plans for Europe including 1GB 3GB and 5GB options

One Sim - Mobile app screen showing a 5GB Europe data plan for international travelers — Mobile app screen showing a 5GB Europe data plan for international travelers

One Sim - A mobile interface for One Sim app showing a 1GB Europe data package ready for eSIM installation with data usage tracking. — A mobile interface for One Sim app showing a 1GB Europe data package ready for eSIM installation with data usage tracking.

One Sim - Interface of One Sim app displaying active eSIM data usage and travel packages. — Interface of One Sim app displaying active eSIM data usage and travel packages.

One Sim - One Sim app user review with five stars and hot air balloons background — One Sim app user review with five stars and hot air balloons background

Description

With onesim, you install your eSIM once and never again. Every time you buy a new data package, it’s instantly ready to use - no reinstallation, no QR codes, no roaming headaches. Whether you’re exploring Europe, heading across the Americas, or venturing into Asia, onesim keeps you connected with reliable data in every country you visit. Stay online for maps, messaging, and memories - all with a single data plan. Why travelers love onesim: • One eSIM - install once and you’re set • One data package per region - Traveling to Europe? Purchase one data package and you’re covered wherever you go! • Seamless coverage - stay online as you cross countries • Fast 4G/5G data - perfect for maps, chat, and travel apps