SimSiz: eSIM & 2nd Number
Second number, eSIM & more
Free · Designed for iPad. Not verified for macOS.
Travel eSIM & Extra Numbers
Travel, Work & Connect — All With SimSiz
SimSiz lets you stay connected anywhere with eSIMs for global data and instant second phone numbers — all from one simple app.
No physical SIM cards. No roaming surprises. Just fast, flexible connectivity wherever life takes you.
What You Can Do With SimSiz
Get eSIMs for 200+ countries and regions
Connect to local mobile networks worldwide in minutes. Perfect for travel, business trips, and remote work.
Add a second or virtual phone number
Get an extra number for calls and texts without changing your main SIM. Ideal for work, online accounts, or privacy.
Instant setup, fully digital
Buy, install, and activate directly from the app — no stores, no paperwork.
Use multiple numbers on one device
Switch between your primary line, eSIMs, and virtual numbers anytime.
What Is an eSIM?
An eSIM is a digital SIM built directly into your phone.
It works like a physical SIM card but can be installed instantly — no swapping, no waiting.
With SimSiz, you can purchase an eSIM, install it on your device, and connect as soon as you arrive at your destination.
Why Choose SimSiz?
• eSIM coverage in 200+ destinations
• Second & virtual phone numbers in one app
• No roaming fees or hidden costs
• Local, regional, and global plans
• Fast activation in minutes
• Keep your main SIM active
• Secure, reliable connections
How It Works
1 Download the SimSiz app
2 Choose an eSIM or second number
3 Install with guided steps
4 Activate and stay connected
That’s it — you’re online.
Perfect For
• Travelers and frequent flyers
• Digital nomads and remote workers
• Business users who need a second line
• Anyone who wants flexible, affordable connectivity
Compatible Devices
SimSiz supports most modern smartphones with eSIM capability.
Check compatibility inside the app before purchase.
Stay Connected Without Limits
Whether you need mobile data abroad, a second number for work, or a virtual line for privacy — SimSiz gives you total control over your connectivity.
Download SimSiz and connect your way.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
What’s New in SimSiz
We’ve made SimSiz even more powerful, faster, and easier to use.
Expanded Global Coverage
Get eSIM data access in 200+ countries and regions, with improved local network quality and stability.
Second & Virtual Numbers
You can now add and manage extra phone numbers directly in the app for calls and texts — perfect for work, business, or privacy.
Faster Activation
eSIMs and virtual numbers now activate in minutes, with smoother setup and clearer step-by-step guidance.
Multiple Lines, One App
Easily switch between your main SIM, eSIMs, and virtual numbers — all from a single dashboard.
Improved Reliability & Security
Enhanced connection stability and secure routing for a more dependable experience wherever you are.
Better Experience for Travelers & Remote Workers
Optimized plans and usability for digital nomads, frequent travelers, and business users.
The developer, ZERO ONE DIGITAL INNOVATIONS, 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 Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- ZERO ONE DIGITAL INNOVATIONS LIMITED
- Size
- 49.9 MB
- Category
- Travel
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPad
Requires iPadOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © SimSiz™. All rights reserved.
