eSIM in Czech Republic

Worldwide high-speed mobile data with same price in every country, pause and resume at any moment. No commitments or hidden fees.

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  • Stay connected around the globe

  • Choose data plans: Firsty Free, Classic, or Unlimited

  • Travel and stay connected without roaming costs

  • Make international calls in selected countries

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Trusted by 1.3M+ users

Global data & calling

One eSIM for the globe

A Free Global Connection

Compare all plans

Free

Watch an ad, unlock data

  • Available for users in North-America, EU and APAC
  • Earn data with ads
  • Free data in 168 countries
  • Up to 1 Mbps
  • Top up to call abroad
Most popular

Classic

Starts at €0.98 per GB

  • Packages from 0.5 to 50 GB
  • No ads
  • Same price, 176 countries
  • Highest available speed
  • Top up to call abroad
Buy 1 GB

Unlimited

Starts at €2 per day

  • Unlimited daily data, pause anytime
  • No ads
  • Same price, 176 countries
  • Highest available speed
  • Top up to call abroad
Buy a day pass

Build your plan

1GB

€4.50

  • 1 GB in 176 countries

  • Buy exactly what you need

  • Activate whenever you want

Buy now

Staying online, made easy

Choose your plan

Free, Classic, Unlimited.

Free if you want it, pay per GB if you need more, or go full Unlimited for a proper daily plan. Your call.
Firsty plan choices: Free, Classic, and Unlimited
One eSIM, everywhere

One SIM, Every Country

Download once, install once and you're set for every country. Free, Classic or Unlimited, every plan works everywhere.
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International calling

Seamless Global Calling

Call 200+ countries with crystal clear quality, wherever you are in the world. Simple rates, no commitment, no surprises.
Firsty app dialer showing a call to the Netherlands at 0.02 euros a minute
Always in control

Your Plan, Your Rules.

Need more GBs? Add them in a tap. On Unlimited? Add days or pause whenever you want. You're always in control.
Firsty app plan overview showing active days and data remaining

Aww, We love you too!!

Brian da Silva 2025-06-10 12:10
The only app I will use abroad for data!
This was super easy to set up, fast and worked everywhere! I used it in South Africa for 10 days.
Aarav Chaurasia 2025-08-05 09:31
Such an amazing app for people who enjoy traveling
Such an amazing app for people who enjoy traveling because of its amazing esim and its features. All the plans are very cheap and there's even a free option which is fabulous.
ABoer_ 2025-05-16 10:08
Great product
Super easy to use and good connection! Used the app in Africa.
Martin Lorenzo 2026-06-27 14:39
Great customer service
Thank you customer support for being so quick and especially Julia for helping me solve the issue with the data I’m using on my trip, would recommend and will use for the rest of my trip and in the future, the app is easy to use and well priced.
Emily Alexis 2026-04-09 12:10
Love it
Easy to use, ads are 30 seconds or less, this app always has my back.
Ravsterocks 2025-01-08 15:11
Super service.
I have used this app multiple times in the USA and have recommended it to others as well. I am so happy and impressed with it. I can’t recommend it enough to others.
AndrStore 2025-02-08 15:11
The best
This is the best app ever! Thank you guys!
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Questions? We've got you.

We know, it sounds too good to be true. But it’s real. Here’s how.

What are the eSIM plans available in the Czech Republic?

The very best eSIM plans available in the Czech Republic cater to various data needs. Firsty offers both free and paid plans for seamless connectivity. With Firsty Free, you receive ad-supported data for basic internet use wherever you are. For heavy data users needing high-speed internet for streaming and video calls, Unlimited is ideal, especially in cities like Prague and Brno to explore and stay connected.

How can I activate a travel eSIM for the Czech Republic?

Activating a travel eSIM for the Czech Republic is straightforward:

  1. Ensure you have a stable Wi-Fi connection to download the Firsty app.

  2. Open the app and follow the easy setup process to activate your free eSIM.

  3. When you arrive in the Czech Republic, your connection will be ready immediately.

  4. For faster internet, upgrade to Classic or Unlimited, which you can purchase and activate anytime.

Does eSIM for the Czech Republic come with unlimited data?

Firsty’s eSIM for the Czech Republic offers unlimited data through Firsty Free, allowing you to use essential apps like WhatsApp, Email, and Navigation without any cost. No credit card needed. For high-speed internet and more data-intensive activities, you can upgrade Classic or Unlimited anytime. This plan also lets you pause the service, ensuring you get the most value from your data without waste, especially when traveling between cities like Ostrava and Plzeň.

What is the best way to get data in the Czech Republic?

The most efficient way to get data in the Czech Republic is by using Firsty Free or purchasing days of fast data through the Firsty app. The Czech Republic’s top mobile internet providers include O2 Czech Republic, T-Mobile Czech Republic, and Vodafone Czech Republic. With Firsty, you automatically connect to the fastest provider based on your location, whether you're in Prague, Brno, or Ostrava. Paying per day with Firsty ensures a reliable connection without relying on WiFi for basic internet.

Can I create a hotspot with my eSIM Czech Republic plan?

Yes! With Unlimited, you can create a hotspot in the Czech Republic to share your internet connection with others. This is perfect for connecting multiple devices or providing internet access to friends and family. Just enable the hotspot feature on your phone, and others can connect using your Firsty Class connection. This feature is particularly useful when traveling with a group, especially during trips to landmarks like Charles Bridge in Prague or the Moravian Karst caves near Brno.