OpenSim
Everyone
info
5K+
Downloads
About this app
Stay connected worldwide with OpenSim, the easy way to get affordable international mobile data. Travel smart with instant 5G and LTE eSIM plans, avoid expensive roaming fees, and enjoy fast internet in 180+ countries.
OpenSim, formerly known as Roaming eSIM, is perfect for travelers, digital nomads, remote workers, and tourists who want reliable global connectivity without swapping physical SIM cards.
What is an eSIM?
An eSIM (embedded SIM) is a digital SIM built into your device. It works like a physical SIM but installs and activates instantly online. No SIM cards, no waiting, just instant mobile data abroad.
OpenSim Plans
Get prepaid mobile data for your trip with flexible eSIM plans. Choose from short-term, long-term, or high-volume data plans. Manage, top up, or renew directly in the app.
Key Benefits
• Works in 180+ countries and regions
• Instant eSIM activation and installation
• High-speed 5G and LTE networks
• Affordable travel data with no hidden fees
• Pay only for the data you need
• Flexible top-ups for heavy users
How It Works
Download the OpenSim app
Select your destination and data plan
Complete secure payment
Install your eSIM instantly using a QR code, one-tap setup, or manual setup
Activate and connect upon arrival
Your data activates only at your destination – nothing is wasted.
Use OpenSim For
• Navigation and maps
• Messaging, video calls, and email
• Social media browsing and streaming
• Remote work and online meetings
• Travel bookings and payments
No SIM swaps. No roaming fees. Just reliable mobile data anywhere.
Why Travelers Choose OpenSim
• Works in 180+ countries, including the US, UK, Germany, France, Italy, Spain, Portugal, Japan, Canada, and Turkey
• Instant global connectivity – no waiting, no lines
• High-volume data plans for heavy internet users
• Secure online payments
• 24/7 customer support for installation, activation, and plan management
FAQs
Q1: What devices support OpenSim eSIM plans?
A1: Most modern smartphones, tablets, and smart devices support eSIM. Check your device settings or manufacturer specifications for eSIM compatibility.
Q2: Can I use my physical SIM at the same time?
A2: Yes! Most compatible devices allow multiple SIMs. Your primary line can work alongside your eSIM without interfering with calls or 2FA codes.
Q3: Can I top up my plan if I run out of data?
A3: Yes! You can easily renew or top up your plan directly in the app anytime.
Q4: Are there hidden fees or roaming charges?
A4: No. OpenSim plans are prepaid. You pay for the data plan you choose, with no unexpected roaming charges.
Q5: When does my data plan activate?
A5: Your data activates at your destination according to the plan's activation terms, so you can install your eSIM before traveling.
Q6: Who is OpenSim best for?
A6: OpenSim is designed for travelers, business professionals, digital nomads, tourists, remote workers, and anyone who needs fast, reliable mobile internet abroad.
Your Global Internet Solution
OpenSim is an all-in-one travel data app for anyone who wants fast, reliable, and affordable mobile internet abroad.
Download OpenSim today and enjoy instant international data in 180+ countries!
Official Links
🌐 Visit: https://www.getopensim.com
📄 Privacy Policy: https://www.getopensim.com/privacy-policy
📃 Terms & Conditions: https://www.getopensim.com/terms-and-conditions
OpenSim, formerly known as Roaming eSIM, is perfect for travelers, digital nomads, remote workers, and tourists who want reliable global connectivity without swapping physical SIM cards.
What is an eSIM?
An eSIM (embedded SIM) is a digital SIM built into your device. It works like a physical SIM but installs and activates instantly online. No SIM cards, no waiting, just instant mobile data abroad.
OpenSim Plans
Get prepaid mobile data for your trip with flexible eSIM plans. Choose from short-term, long-term, or high-volume data plans. Manage, top up, or renew directly in the app.
Key Benefits
• Works in 180+ countries and regions
• Instant eSIM activation and installation
• High-speed 5G and LTE networks
• Affordable travel data with no hidden fees
• Pay only for the data you need
• Flexible top-ups for heavy users
How It Works
Download the OpenSim app
Select your destination and data plan
Complete secure payment
Install your eSIM instantly using a QR code, one-tap setup, or manual setup
Activate and connect upon arrival
Your data activates only at your destination – nothing is wasted.
Use OpenSim For
• Navigation and maps
• Messaging, video calls, and email
• Social media browsing and streaming
• Remote work and online meetings
• Travel bookings and payments
No SIM swaps. No roaming fees. Just reliable mobile data anywhere.
Why Travelers Choose OpenSim
• Works in 180+ countries, including the US, UK, Germany, France, Italy, Spain, Portugal, Japan, Canada, and Turkey
• Instant global connectivity – no waiting, no lines
• High-volume data plans for heavy internet users
• Secure online payments
• 24/7 customer support for installation, activation, and plan management
FAQs
Q1: What devices support OpenSim eSIM plans?
A1: Most modern smartphones, tablets, and smart devices support eSIM. Check your device settings or manufacturer specifications for eSIM compatibility.
Q2: Can I use my physical SIM at the same time?
A2: Yes! Most compatible devices allow multiple SIMs. Your primary line can work alongside your eSIM without interfering with calls or 2FA codes.
Q3: Can I top up my plan if I run out of data?
A3: Yes! You can easily renew or top up your plan directly in the app anytime.
Q4: Are there hidden fees or roaming charges?
A4: No. OpenSim plans are prepaid. You pay for the data plan you choose, with no unexpected roaming charges.
Q5: When does my data plan activate?
A5: Your data activates at your destination according to the plan's activation terms, so you can install your eSIM before traveling.
Q6: Who is OpenSim best for?
A6: OpenSim is designed for travelers, business professionals, digital nomads, tourists, remote workers, and anyone who needs fast, reliable mobile internet abroad.
Your Global Internet Solution
OpenSim is an all-in-one travel data app for anyone who wants fast, reliable, and affordable mobile internet abroad.
Download OpenSim today and enjoy instant international data in 180+ countries!
Official Links
🌐 Visit: https://www.getopensim.com
📄 Privacy Policy: https://www.getopensim.com/privacy-policy
📃 Terms & Conditions: https://www.getopensim.com/terms-and-conditions
Instant global mobile data in 180+ countries | No SIM swaps
Updated on
Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
What’s new
• Clearer eSIM status and remaining data on Home and My eSIMs
• Refresh your plan status with smoother progress feedback
• Simpler package selection when browsing travel data plans
• Arrival and installation guidance before you set up your eSIM
• Contextual Need Help support with easier setup steps and copy controls
• Cleaner active eSIM card for faster plan management
Stay connected abroad with Roaming eSIM. Update now for a smoother travel data experience.
• Refresh your plan status with smoother progress feedback
• Simpler package selection when browsing travel data plans
• Arrival and installation guidance before you set up your eSIM
• Contextual Need Help support with easier setup steps and copy controls
• Cleaner active eSIM card for faster plan management
Stay connected abroad with Roaming eSIM. Update now for a smoother travel data experience.
App support
phone
Phone number
+351920693199
About the developer
ROAMINGESIM, LDA
hello@roamingesim.com
RUA DOUTOR JOSÉ LUÍS MENDES PINHEIRO, 21 1ºDTO.
3080-032 FIGUEIRA DA FOZ
Portugal
+1 307-216-8130
