OpenSim: Travel eSIM & Data
Prepaid mobile internet abroad
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Buy prepaid travel eSIM data from OpenSim. Choose a plan for your destination, purchase in the app and manage your eSIM.
Buy prepaid mobile data for your next trip with OpenSim. Choose from our country and regional travel eSIM plans, purchase in the app, and manage your eSIM and data in one place.
OpenSim was previously known as Roaming eSIM.
CHOOSE DATA FOR YOUR TRIP
• Buy country and regional eSIM data plans.
• Choose a data allowance and validity to suit your trip.
• View your purchased eSIMs and follow the installation instructions.
• Manage your data and top up plans where supported.
GET STARTED
1. Check that your device supports eSIM and is carrier-unlocked.
2. Choose a plan for your destination and travel dates.
3. Review its coverage, included services and activation rules before payment.
4. Follow the plan's installation instructions while you have an internet connection.
5. Select your travel eSIM for mobile data and follow the connection guidance for your destination.
KNOW BEFORE YOU TRAVEL
Activation rules vary by plan. Depending on the plan, validity may begin at purchase, installation or the first connection to a supported network. Check the activation terms before you buy or install.
Top-ups are available only for supported plans. Coverage, network availability and speeds depend on the destination, plan and device.
If you keep your home SIM active, your home carrier may still charge for calls, texts or data. Check your phone's SIM and roaming settings before you travel.
Use your travel data for maps, messaging, internet calls, transport apps and other online services.
NEED HELP?
Find support in the app or visit https://www.getopensim.com/esim/support.
Website: https://www.getopensim.com
Privacy policy: https://www.getopensim.com/privacy-policy
Terms: https://www.getopensim.com/terms-and-conditions
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
• Support for stored-value vouchers at checkout
• One checkout code field that auto-detects coupons and vouchers
• Account balance vouchers can be used for eSIM recharges
• Clearer coverage details for purchased packages
The developer, ROAMINGESIM LDA, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Purchases
- Contact Info
- User Content
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- ROAMINGESIM LDA
- Size
- 91.4 MB
- Category
- Travel
- Compatibility
Requires iOS 16.0 or later.
- iPhone
Requires iOS 16.0 or later. - Mac
Requires macOS 13.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
16+
- 16+
- Copyright
- © 2026 ROAMINGESIM LDA. All rights reserved.
