# OpenSim — Global eSIM Data for Travel > Global eSIM Data for Travel (iPhone/iPad app by ROAMINGESIM LDA.) - Source: https://appshunter.io/ios/app/opensim/id6758941956 (this page in markdown: same URL + `.md`) - Developer: [ROAMINGESIM LDA](https://appshunter.io/developer/1875881569) - Category: Travel - Price: Free - Age rating: 17+ - Requires: iOS 16.0 · 87 MB - Languages: American English - Released: 2026-02-24 - Data updated: 2026-09-30 - User reviews in markdown: https://appshunter.io/ios/app/opensim/id6758941956/reviews.md ## What is OpenSim? Stay connected worldwide with OpenSIM, formerly known as Roaming eSIM. OpenSIM is a reliable and affordable international eSIM app that provides instant mobile data in 180+ countries and regions. Whether you’re traveling for business, vacation, or remote work, OpenSIM lets you access fast mobile internet without physical SIM cards or expensive roaming charges. Forget searching for local SIM cards, waiting in airport lines, or paying high international roaming fees. With OpenSIM, you can install a digital SIM in minutes and connect as soon as you arrive at your destination. What is an eSIM? An eSIM (embedded SIM) is a digital SIM built into your device. It works just like a physical SIM card but can be installed and activated entirely online. You can download an eSIM, activate it instantly, and stay connected without swapping SIM cards. What is an OpenSIM Plan? An OpenSIM plan gives you prepaid mobile data for a specific destination and validity period. Choose a plan based on your travel needs, install the eSIM, and enjoy high-speed internet during your trip. You can manage, renew, or top up your plans directly from the app. Why Choose OpenSIM? OpenSIM is built for travelers who want simple, secure, and flexible global connectivity. • Coverage in 180+ countries and regions • Instant eSIM delivery and activation • Affordable prepaid data plans • High-speed 5G and LTE networks • No roaming fees or long-term contracts • No physical SIM card required • Secure online payments • Easy plan renewals and top-ups • Real-time data usage tracking • 24/7 customer support How It Works 1. Download the OpenSIM app 2. Select your destination and data plan 3. Complete secure payment 4. Install the eSIM instantly using a QR code, one-tap setup, or manual installation 5. Activate and connect when you arrive Your data activates only at your destination, so nothing is wasted. Stay Connected Anywhere Use OpenSIM for: • Navigation and maps • Messaging and video calls • Social media and email • Remote work and meetings • Streaming and browsing • Travel bookings and payments No SIM swaps. No surprise charges. Just reliable mobile data abroad. Secure, Flexible, and Transparent OpenSIM offers clear pricing with no hidden fees. Choose flexible plans for short trips or long stays, pay only for what you need, and manage everything easily inside the app. 24/7 Customer Support Our support team is available 24/7 to assist with installation, activation, plan management, billing questions, and connectivity issues. Your Global Internet Solution OpenSIM is your all-in-one travel connectivity solution. Stay online, productive, and stress-free wherever you go. Download OpenSIM today and enjoy instant international mobile data in over 180 countries. Privacy Policy: https://getopensim.com/privacy-policy/ Terms & Conditions: https://getopensim.com/terms-and-conditions ## Version history (last 5 releases) ### 1.1.0 — 2026-09-25 OpenSim 1.1.0 — a new name for the travel eSIM you already trust. Roaming eSIM is now OpenSim. This update refreshes our brand while keeping the same reliable international data experience. • New OpenSim identity, icon, and launch experience • Startup recognition for former Roaming eSIM users • Travel eSIM plans for destinations worldwide • Clearer eSIM status, remaining data, and installation guidance • Easier package selection and contextual setup help Update to OpenSim and get travel-ready before your next trip — affordable data abroad, no physical SIM needed. ### 1.0.8 — 2026-09-23 Roaming eSIM 1.0.8 makes buying and installing travel data clearer and faster. • See friendly eSIM status and remaining data at a glance • Refresh plan status with clearer on-screen feedback • Browse and select packages more easily • Get arrival guidance before installation, plus activation timing help • Use a contextual Need Help sheet for setup steps and copy controls • Enjoy a simpler active eSIM card for everyday plan management Update now and get travel-ready with Roaming eSIM before your next trip. ### 1.0.7 — 2026-09-10 This update improves checkout pricing clarity and fairness. • Service fees now scale with your order size • Enjoy a lower service fee on larger purchases • See genuine savings more clearly at checkout • Improved pricing accuracy for a smoother buying experience Update to get the latest Roaming eSIM experience. ### 1.0.6 — 2026-08-13 • Better experience on smaller iPhones across home, login, and checkout • Login and verification screens refined for compact displays • Day-pass pricing in checkout is clearer, with discounts shown more cleanly • Performance and interface improvements ### 1.0.5 — 2026-08-04 What's New • Apply coupon codes at checkout — including free-order coupons • Plan your trip with our in-app AI assistant and get eSIM recommendations for your destinations and travel dates • Smarter unlimited and day-pass plan suggestions in chat • Contact support faster from chat via WhatsApp or email • More reliable checkout after signing in • Performance and stability improvements ## Apps similar to OpenSim | App | Rating | Price | Category | | --- | --- | --- | --- | | [Trevio esim](https://appshunter.io/ios/app/trevio-esim/id6763416474) | — | Free | Travel | | [eSIM Ahora!](https://appshunter.io/ios/app/esim-ahora/id6774577924) | — | Free | Travel | | [Roaming - eSIMs for Travel](https://appshunter.io/ios/app/roaming-esims-for-travel/id6744381121) | 5.0 (3) | Free | Travel | | [AetopOne: Global eSIM & Data](https://appshunter.io/ios/app/aetopone-global-esim-and-data/id6749716197) | — | Free | Travel | | [RoamSIM eSIM Marketplace](https://appshunter.io/ios/app/roamsim-esim-marketplace/id6780265952) | — | Free | Travel | | [Global eSIM — Travel Data](https://appshunter.io/ios/app/global-esim-travel-data/id6771887318) | — | Free | Travel | ## Related topics [roaming esim](https://appshunter.io/ios/topics/roaming-esim) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-30.*