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Cellesim: Travel eSIM & Data

Cellesim: Travel eSIM & Data

Instant data in 200+ countries

0 ratings
3 reviews
🔧 Utilities
✈️ Travel
Free

Details

  • Released
  • Updated
  • February 21, 2026
  • July 24, 2026

Features

Developer

Cellesim LLC
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About

Get instant, high-speed mobile data in over 200 countries without expensive roaming fees or physical SIM cards. Enjoy affordable, prepaid eSIM plans for seamless global connectivity, perfect for business or vacation.

✓Global data in 200+ countries
✓No roaming fees
✓Instant eSIM activation
✓Affordable prepaid plans
✓Real-time data usage tracking
✓4G/LTE/5G coverage
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What's New in Cellesim

1.3.8

July 24, 2026

Big update. Now with a built-in free VPN. • Free VPN on every eSIM. One tap turns on a fast, encrypted tunnel that protects you on any network. • Brand new home and welcome screens with a live connectivity globe. • One-tap install. Add your eSIM straight to this phone, no QR scanning needed. • See your data live and top up in a single tap. • Faster, smoother and more reliable across the app. Data in 200+ countries, instant setup, and now private by default. Safe travels.

More

User reviews

Most RecentHighest RatedLowest Rated

Easiest eSIM app out there

I've tried a few different eSIM apps in the past, and Cellesim is by far the most user-friendly. I purchased my data plan at home and had service in Madrid the moment I stepped off the plane.
ContrerasSaldanavContrerasSaldanav

Worked great on the islands!

I was a bit worried about cellular coverage while island hopping in Santorini and Mykonos, but I had a solid connection the entire time. Google Maps and social media worked perfectly.
whaley_mitzieuwhaley_mitzieu

Never traveling without it again

I travel internationally for work almost every month. This app has been an absolute game changer. It saves time, saves money, and the customer support is really responsive if you ever have a question.
leonarda gayleleonarda gayle

FAQ

How does Cellesim work?

Install the Cellesim app, search for your destination, choose a data plan, and install your eSIM with one tap for instant activation. You can then connect to fast, reliable mobile data.

What are the benefits of using Cellesim for travel?

Cellesim eliminates expensive roaming fees and the hassle of finding local SIM cards. It offers affordable, prepaid eSIM plans with instant activation and real-time data tracking for seamless global connectivity.

Does Cellesim have ads?

Yes, Cellesim contains advertisements within the application.

What devices does Cellesim support?

Cellesim is available for iPhones and iPods, offering fast 5G data in over 200 countries.

How is Cellesim's data coverage?

Cellesim provides premium coverage with fast, reliable, and secure 4G/LTE/5G connections on top-tier local networks in over 200 destinations.

Can I track my data usage with Cellesim?

Yes, Cellesim allows you to track your active plans and daily data usage in real-time within the app, so you never run out unexpectedly.

Is Cellesim suitable for business travelers?

Cellesim is perfect for international business travelers who need reliable internet access without the fear of expensive roaming charges or the inconvenience of physical SIM cards.

When was Cellesim last updated?

The latest version of Cellesim, 1.0.3, was last updated on March 12, 2026.