
Fibonacci eSIM: Travel Data
Mobile Internet in 190+ Lands
About
Provides instant mobile data in over 190 countries without physical SIM cards or roaming fees. Easily install an eSIM with one tap and stay connected globally with transparent, prepaid plans.
What's New in Fibonacci eSIM
1.2
July 29, 2026
Added Top-Up functionality! You can now easily top up your eSIM directly within the app for a faster and more convenient experience.
FAQ
What is Fibonacci eSIM?
Fibonacci eSIM provides instant mobile data connectivity in over 190 countries and regions. It allows users to purchase and install eSIM data plans directly on their compatible devices, eliminating the need for physical SIM cards and expensive roaming charges.
How does Fibonacci eSIM save travelers money?
Fibonacci eSIM offers prepaid data plans starting from $0.32/GB, allowing users to save up to 90% on international roaming charges compared to their carrier's rates. This transparent pricing ensures no hidden fees or surprise charges.
Which devices are compatible with Fibonacci eSIM?
Fibonacci eSIM works with eSIM-compatible, carrier-unlocked devices, including iPhone XS and newer models. Device compatibility can be verified instantly within the app before making a purchase.
Can I keep my primary phone number while using Fibonacci eSIM?
Yes, your primary SIM card remains active for calls and texts while the Fibonacci eSIM handles your data usage. This allows you to enjoy the best of both worlds: your regular communication channels and affordable international data.
How often is Fibonacci eSIM updated?
The latest version of Fibonacci eSIM is 1.2, and it was last updated on July 29, 2026. Updates typically focus on improving performance, adding new destinations, or enhancing user features.
What kind of support does Fibonacci eSIM offer?
Fibonacci eSIM provides 24/7 human support to assist users before, during, and after their trips. This ensures that travelers can get help with any issues they may encounter with their data service.
Does Fibonacci eSIM have ads?
No, Fibonacci eSIM does not contain advertisements. The app is free to download and use, with monetization coming from the purchase of data plans.
What are the pricing details for Fibonacci eSIM plans?
Fibonacci eSIM offers transparent, prepaid plans with no hidden fees. Prices start from as low as $0.32 per GB, with flexible options for country-specific, regional, and global coverage to suit various travel needs and budgets.




