Best eSIM for Czechia: 5 brands compared

Czechia eSIM prices

Tap a plan for its details, or tick two or three to compare. Inbox eSIM prices are live; the others were read on their own sites (Holafly 23 Oct 2026, Ubigi 23 Oct 2026, Nomad 23 Oct 2026, Jetpac 23 Oct 2026) and may have changed.

How each one works

The price is half of it. Here is what you install, what you can share and what happens if plans change. Every feature, brand by brand, is on the one-brand pages.

How the Czechia eSIM brands work
Feature	Inbox eSIM	Holafly	Ubigi	Nomad	Jetpac
App or account	None: no app and no account	No app needed to buy: checkout on the website with an email; the app is optional (log in with that email).source	No app for a first website purchase. An account (app or ubigi.me) is needed to top up and manage.source	Account needed (the QR goes to your registered email); buy in the Nomad app or on the website.source	Account needed to check out; after buying on web or app you log in to the Jetpac Global app to set up.source
How you get it	QR code and a one-tap Add eSIM link by email, about a minute after paying	QR code sent by email right after payment; also shown in your Holafly account and the app.source	Website orders: QR code by email (first purchase only). App orders: install from the app dashboard.source	QR code and manual details by email, plus one-tap install and instructions in the app.source	You are prompted to download the eSIM right after purchase; setup is guided in the app.source
Hotspot	Usually allowed; the local network can still limit it	Limited per destination: for example 1 GB of shareable data per day in Japan (7 GB on a 7-day plan).source	Tethering is supported (setup steps given); unlimited plan pages say data sharing is allowed.source	Supported, though Nomad says stability depends on the device and local network.source	Allowed; Jetpac says hotspot sharing has no restrictions.source
Top-ups	Yes, on the same eSIM, from the order page	No top-ups: for more days you buy and install a new eSIM.source	Yes: recharge the same eSIM from your account; the profile is kept unless unused for 18 months.source	Add-ons on the same eSIM for many plans; not buyable while you are in China, the UAE or India.source	Yes: keep the same eSIM and buy a new pack for each trip.source
Refunds	Unused and never installed: full refund to the card within 30 days	Not activated, within 6 months: full refund to the original payment method. Used: partial, USD 3.50 fee.source	Website eSIM: only if the QR code was never scanned, asked within 14 business days; to the original payment method.source	Not installed or not activated, within 30 days: to the card or as Nomad Points. Unlimited plans: no refund.source	Installed counts as used. Refunds for install failures, no compatible phone or no network; to the original payment.source

App or account

Inbox eSIM: None: no app and no account
Holafly: No app needed to buy: checkout on the website with an email; the app is optional (log in with that email).
Ubigi: No app for a first website purchase. An account (app or ubigi.me) is needed to top up and manage.
Nomad: Account needed (the QR goes to your registered email); buy in the Nomad app or on the website.
Jetpac: Account needed to check out; after buying on web or app you log in to the Jetpac Global app to set up.

How you get it

Inbox eSIM: QR code and a one-tap Add eSIM link by email, about a minute after paying
Holafly: QR code sent by email right after payment; also shown in your Holafly account and the app.
Ubigi: Website orders: QR code by email (first purchase only). App orders: install from the app dashboard.
Nomad: QR code and manual details by email, plus one-tap install and instructions in the app.
Jetpac: You are prompted to download the eSIM right after purchase; setup is guided in the app.

Hotspot

Inbox eSIM: Usually allowed; the local network can still limit it
Holafly: Limited per destination: for example 1 GB of shareable data per day in Japan (7 GB on a 7-day plan).
Ubigi: Tethering is supported (setup steps given); unlimited plan pages say data sharing is allowed.
Nomad: Supported, though Nomad says stability depends on the device and local network.
Jetpac: Allowed; Jetpac says hotspot sharing has no restrictions.

Top-ups

Inbox eSIM: Yes, on the same eSIM, from the order page
Holafly: No top-ups: for more days you buy and install a new eSIM.
Ubigi: Yes: recharge the same eSIM from your account; the profile is kept unless unused for 18 months.
Nomad: Add-ons on the same eSIM for many plans; not buyable while you are in China, the UAE or India.
Jetpac: Yes: keep the same eSIM and buy a new pack for each trip.

Refunds

Inbox eSIM: Unused and never installed: full refund to the card within 30 days
Holafly: Not activated, within 6 months: full refund to the original payment method. Used: partial, USD 3.50 fee.
Ubigi: Website eSIM: only if the QR code was never scanned, asked within 14 business days; to the original payment method.
Nomad: Not installed or not activated, within 30 days: to the card or as Nomad Points. Unlimited plans: no refund.
Jetpac: Installed counts as used. Refunds for install failures, no compatible phone or no network; to the original payment.

Which one to pick

Each of these is the better buy for someone. Ours included, honestly.

Inbox eSIM

Pick Inbox eSIM if

You want no app and no account: the QR and a one-tap install link come by email.
You want the lowest 5 GB price for a month here ($4.90 today).
You may cancel: unused and never installed, the money goes back to your card.

Czechia packs →

Holafly

Pick Holafly if

You stream or work heavily on your phone for a set number of days and do not want to track GB at all.
You book far ahead: an unactivated Holafly eSIM can be refunded up to 6 months after purchase (ours: 30 days).
You travel every month and want one subscription that renews, with a local number for incoming SMS.

Ubigi

Pick Ubigi if

You want data on a Windows laptop or tablet: Ubigi supports Windows 10 and 11 and ships inside some laptops.
You travel often and want a monthly or annual plan that renews on one long-lived eSIM.
You use a lot of data: its unlimited plans keep full speed up to 15 to 60 GB, then drop to 2 Mbps.

Nomad

Pick Nomad if

You need a local phone number in Thailand or a UK/Maldives calling plan, which Nomad sells.
You are new to eSIMs and want to try one first: Nomad offers new users a free 1 GB trial eSIM.
You travel often and want the Nomad Pass: one eSIM, 1 GB backup data each cycle and 15% off add-ons.

Jetpac

Pick Jetpac if

You fly often: SmartDelay gives free airport lounge access when a registered flight is delayed.
You need to make phone calls: Jetpac sells outgoing-call voice packs; we sell data only.
You want WhatsApp, Maps, Uber and Grab to keep working after your data runs out (packs of 3 GB and up).

Questions

What is the cheapest eSIM for Czechia?

For 5 GB lasting at least 30 days, Inbox eSIM $4.90, Nomad $12.50 (prices read 23 Oct 2026; ours are live). For a light week, 1 GB starts at $2.90 with Inbox eSIM.

Is there an unlimited eSIM for Czechia?

Yes. For 7 days: Inbox eSIM $21.90 (3 gb a day at full speed, then 1 mbps); Ubigi $24.00 (unlimited, 20 gb at full speed, then 2 mbps); Nomad $25.00 (2gb/day at 4g/5g. 1 mbps after 2gb); Jetpac $26.99 (first 3 gb every 24 hours at standard network speeds. after 3 gb, stay connected at up to 1 mbps until your allowance refreshes in the next 24-hour cycle.); Holafly $27.50 (unlimited, hotspot 1 gb a day). Most cut the speed after a daily allowance, so read each one's cap.

Do I need an app for a Czechia eSIM?

Inbox eSIM: none: no app and no account. Holafly: No app needed to buy: checkout on the website with an email; the app is optional (log in with that email).. Ubigi: No app for a first website purchase. An account (app or ubigi.me) is needed to top up and manage.. Nomad: Account needed (the QR goes to your registered email); buy in the Nomad app or on the website.. Jetpac: Account needed to check out; after buying on web or app you log in to the Jetpac Global app to set up..

Which network does a travel eSIM use in Czechia?

Our Czechia packs connect to O2, Vodafone. Other brands may use different local networks; each brand's page lists its own.

Is an eSIM cheaper than roaming in Czechia?

Usually, for anything longer than a day or two. A week on AT&T ($12.00 a day) or Verizon ($12.00 a day) or T-Mobile ($10.00 a day) costs $84.00; 5 GB with Inbox eSIM costs $4.90 and your number stays on your main SIM.

Best eSIM for Czechia, compared