Best sellers, best SIM Cards
We also think that you deserve the best. That’s why on this page, we ranked SIM Cards from the most sold to the least sold. You have 46 products to choose from. Customers have the most interest in Vodafone GIGA Card 100GB, which you can buy for 299 Kč incl. VAT. If you’re intrested in SIM Cards in terms of the highest reviews, then look at the SIM Cards reviews and tests category.
All from 46
Sponsored
Vodafone GIGA Card 100GB
BLACK FRIDAY -14 %
299,-
349,-
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
SIM Card - Includes 100GB of data for the first month at no extra cost + 50GB each subsequent month when you renew your plan
+Gift Service Alzaplus+ monthly subscription, gift with a value of 59,-
Sponsored
Twist 100GB of data
BLACK FRIDAY -19 %
279,-
345,-
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
SIM Card - T-Mobile, 100 GB package with free first month renewal, discounted price 345 CZK/month with card payment, every twelfth renewal of the package is free, for use in the...
Sponsored
Twist 20 GB per year for smart devices
BLACK FRIDAY -16 %
499,-
599,-
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
SIM Card - 20 GB of data valid for 1 year within the Czech Republic, suitable for smartwatches, Photo traps, cameras and other devices, bonus credit of CZK 10 for a test call or...
O2 Annual data connection 50GB
BLACK FRIDAY -5 %
659,-
699,-
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
SIM Card - data only, ideal for devices such as cameras, photo traps or security systems, 50 GB available for 365 days, connection to 5G network anywhere in the Czech Republic
Vodafone Oscar
Amazing Deal
50,-
Save 50,-
50,-
Save 50,-
In stock > 50 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
SIM Card - Includes 100 CZK in starting credit, data, voice, and text message packages as needed, 2.50 CZK per minute for calls, 1.90 CZK per text message, and 99 CZK for 1GB of...
Twist 50 MINUTES + 2GB
BLACK FRIDAY -33 %
99,-
149,-
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
SIM Card - OFFER: An extra CZK 50 bonus credit for activations between 1 September and 30 November 2026, Twist prepaid card, 50 minutes of calls and 5 SMS messages to all networks,...
O2 Annual data connection 15GB
BLACK FRIDAY -6 %
469,-
499,-
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
SIM Card - data only, ideal for devices such as cameras, photo traps or security systems, 15 GB available for 365 days, connection to 5G network anywhere in the Czech Republic
Cactus 2GB
BLACK FRIDAY -33 %
99,-
149,-
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
SIM Card - Cactus with 2 GB of data for free for the first 30 days, Initial credit 100 CZK valid for 12 months, calls to all networks for CZK 2.50/min and SMS for CZK 1.50,...
O2 Annual data connection 1.2TB
BLACK FRIDAY -13 %
2,599,-
2,999,-
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
SIM Card -
O2 Prepaid Go Card per day
Amazing Deal
49,-
49,-
In stock > 50 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
SIM Card - 1 GB of data for one day and unlimited calls to all networks in the Czech Republic for CZK 29 per day, you will receive a credit of 50 CZK, SMS for 1,90 CZK, The daily...
Vodafone 2 GB Prepaid SIM
BLACK FRIDAY -33 %
99,-
149,-
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
SIM Card - 2 GB of data and unlimited calls within the Vodafone network for the first month, 1× unlimited data for a whole day, 100 Kč credit valid for 45 days, automatic package...
+Gift Service Alzaplus+ monthly subscription, gift with a value of 59,-
T-Mobile prepaid card 10GB
BLACK FRIDAY -30 %
139,-
199,-
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
SIM Card - T-Mobile, prepaid, for the first 30 days after card activation 10 GB of free data and a bonus credit of 100 CZK valid for 1 year, after 30 days from activation the data...
Vodafone 24 GB Prepaid Plan for a Year
New arrival
599,-
On the way > 5 pcs
Expected 13/11/2026
SIM Card - 24 GB of data valid for 1 year, 2 GB of data every month, a 20% bonus on every top-up, activate the bonus by sending a free text message with the word ODMENY to 7700,...
+Gift Service Alzaplus+ monthly subscription, gift with a value of 59,-
Vodafone 15 GB Prepaid Plan
BLACK FRIDAY -28 %
179,-
249,-
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
SIM Card - 15 GB of data for the first month, 100 Kč credit valid for 45 days, automatic package renewal provided there is sufficient credit, 20% reward on every top-up, free SMS...
+Gift Service Alzaplus+ monthly subscription, gift with a value of 59,-
T-Mobile prepaid card 15GB
Amazing Deal
179,-
Save 70,-
179,-
Save 70,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
SIM Card - T-Mobile, prepaid, for the first 30 days after card activation 15 GB of free data and a bonus credit of 100 CZK valid for 1 year, after 30 days from activation the data...
O2 Datamania 100GB
449,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
SIM Card - 100 GB of data for 30 days, connection to 5G network anywhere in the Czech Republic, unlimited calls per day for 15 CZK, SMS for 2 CZK, possibility of transferring the...
Vodafone Prepaid 1000 GB for a year
BLACK FRIDAY -16 %
2,499,-
2,999,-
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
SIM Card - 1,000 GB of data valid for 1 year, 20 per cent bonus on every top-up; activate the bonus by sending an SMS with the text ‘ODMENY’ to 7700 free of charge; bonus credit is...
+Gift Service Alzaplus+ monthly subscription, gift with a value of 59,-
Cactus Neřesto for 350
309,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
SIM Card - with the Neřešto prepaid tariff for CZK 350 and CZK 100 credit, including 10 GB of data + unlimited data at 2 Mbps, 100 minutes or SMS and unlimited calls to 2 numbers...
Vodafone Oskarta eSIM
50,-
In stock > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
SIM Card - Includes 100 CZK in starting credit, data, voice, and text message packages as needed, 2.50 CZK per minute for calls, 1.90 CZK per text message, and 99 CZK for 1GB of...
OpenCall Prepaid card
149,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
SIM Card - 8 GB of data for the first month included (after that 249 CZK per month), pre-charged credit 100 CZK, price of calls in the Czech Republic 1.80 CZK/min. and good prices...
O2 Prepaid Go Card 10 GB
BLACK FRIDAY -20 %
199,-
249,-
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
SIM Card - 10 GB of data and 100 minutes of calls for CZK 299 per month including VAT, SMS for 1,90 CZK, 300 CZK bonus on the first top-up of 300 CZK, automatic tariff renewal...
Vodafone 15 GB Prepaid Plan (eSIM)
BLACK FRIDAY -28 %
179,-
249,-
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
SIM Card - 15 GB of data for the first month, 100 Kč credit valid for 45 days, automatic renewal of the package provided there is sufficient credit, 20% reward on every top-up,...
+Gift Service Alzaplus+ monthly subscription, gift with a value of 59,-
Vodafone 24 GB Prepaid Plan for a Year (eSIM)
New arrival
599,-
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
SIM Card - 24 GB of data valid for 1 year, 2 GB of data every month, a 20% bonus on every top-up, activate the bonus by sending an SMS with the text ‘ODMENY’ to 7700 free of...
+Gift Service Alzaplus+ monthly subscription, gift with a value of 59,-
No longer sold
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