Stay connected globally with unlimited data plans for over 200 destinations. Avoid high roaming fees and the hassle of physical SIM cards. Manage all your international data needs conveniently within one app.
Reviews of USim are mixed: the Travel app is rated 4.0/5 from 779 App Store ratings. What users like most: fast and easy eSIM activation process, affordable pricing and good value for money. Top complaints: extremely slow customer support response times, weak network signal and poor connectivity in some regions. Summarized from real user reviews.
3.10
November 3, 2026
-Bug fixes & improve performance
Summer In Europe eSIM Internet
Unlimited internet and data as you travel Europe.
Jul 6, 2026 — Jul 30, 2026
5 issues
eSIM fails to activate after payment
Application loading issues preventing plan selection
5 requests
Faster customer support response system
Real-time network coverage maps
USim is a travel eSIM application that provides unlimited data plans for over 200 destinations worldwide. It aims to eliminate high roaming fees and the need to swap physical SIM cards, offering a convenient way to stay connected while traveling.
To use USim, you download the app, select your destination, choose a data plan (unlimited or bundled), install the eSIM in seconds, and then connect instantly upon arrival. Plans are prepaid with no contracts or hidden charges.
USim offers best-value pricing starting from $1.46 for 1GB in Turkey. They provide various options including unlimited data, bundled data, and data + calls packages tailored to different trip durations and budgets.
Yes, USim offers truly unlimited data plans with hotspot and tethering capabilities, meaning there is no throttling. They also provide large data packages in specific regions like the Middle East and GCC.
USim provides global coverage in over 200 destinations across Europe, Asia, the Americas, Africa, Oceania, and the Middle East. They also offer specific plans tailored for GCC travelers.
Based on the provided data, USim is supported on iPhone and iPod devices. It is designed for seamless integration with compatible smartphones.
The latest version of USim is 3.10, and it was last updated on November 3, 2026. This indicates a relatively recent update, suggesting ongoing development and maintenance.
User sentiment for USim is mixed. Pros include fast activation, affordability, and good international coverage. However, cons frequently mention slow and unresponsive customer support, weak network signals in some areas, and unreliable service with disconnections.
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