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 44 products to choose from. Customers have the most interest in Twist 20 GB per year for smart devices, which you can buy for 599 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.
44
Results
Sponsored
Twist 20 GB per year for smart devices
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 SMS, activation by the first call made, calls for CZK 4.50 per minute to all networks in the Czech Republic, SMS for CZK 1.90 to all networks in the Czech Republic, automatic renewal of the package for CZK 649 incl. VAT after one year or after data exhaustion, without the added credit card, the package will not be renewed and will be deactivated, Easy setup and management in the My T-Mobile app
599,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
TW139b
Sponsored
Vodafone Prepaid 1000 GB for a year
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 valid for 7 days; manage your pay-as-you-go plan in the My Vodafone app; available as both a SIM and an eSIM
New arrival
2,999,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
VDF1012b
Sponsored
Vodafone 2 GB Prepaid SIM
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 renewal provided there is sufficient credit, 1 GB of extra data upon regular package renewal, a 20 per cent reward on every top-up; activate the reward by sending a free text message with the word ‘ODMENY’ to 7700; reward credit is valid for 7 days; manage your pay-as-you-go account in the My Vodafone app; available as both a SIM and an eSIM
New arrival
149,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
VDF1009b
Vodafone Oscar
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 data per month
Amazing Deal
50,-
Save 50,-
In stock > 50 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
VDF532b1
O2 Annual data connection 50GB
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
Amazing Deal
699,-
Save 300,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
O2182
Twist 50 MINUTES + 2GB
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, plus up to 2 GB of data (1 GB included and 1 GB available to claim in the My T-Mobile app), the package will not be automatically renewed and will be deactivated; you can renew it via the My T-Mobile app for 149 Kč including VAT, OFFER: +50 Kč extra bonus credit for activations between 1 September and 30 November 2026
Discounted -33 %
99,-
149,-
In stock > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
TW133b
O2 Annual data connection 15GB
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
499,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
O2181
2,999,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
O2189
Vodafone GIGA Card 100GB
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,-
Amazing Deal
349,-
Save 100,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
VDF531b
Vodafone Oskarta eSIM
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 data per month
50,-
In stock > 50 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
VDF532b1e
T-Mobile prepaid card 10GB
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 package is renewed for another 30 days for 279 CZK, for the first recharge within 30 days from activation a bonus of 100 CZK valid for 30 days
Discounted -30 %
139,-
199,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
TW127a
O2 Prepaid Go Card 10 GB
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 after 30 days, calls after the units are exhausted for 4.90 CZK/min
249,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
O2185
O2 Prepaid Go Card per day
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 window is activated by calling or dating and is valid until midnight, bonus credit of CZK 300 for the first top-up of at least CZK 300, only days are paid, when the customer makes a phone call or uses the internet, after 1 GB is used up, automatic renewal of 300 MB of data for 19 CZK until the end of the day
79,-
In stock > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
O2186
Vodafone data card - 3.5 GB of data
SIM Card - Includes 3.5GB of data + unlimited calls and texts within the Vodafone network for the first month, included in the price + 100 CZK of credit valid for 45 days
+Gift Service Alzaplus+ monthly subscription, gift with a value of 59,-
Amazing Deal
129,-
Save 70,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
VDF1005a
O2 Go 2GB + 50 min
SIM Card - prepaid O2 Go 2GB + 50 minutes, 2GB of mobile data for 30 days, 50 minutes of calls to all networks in the Czech Republic, plan renewal every 30 days for 199 CZK, a 300 CZK bonus with your first top-up of at least 300 CZK, 4× unlimited data for 24 hours in the My O2 app with every plan renewal, option to activate unlimited data for 24 hours for 49 CZK, easy service management in the My O2 app
199,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
O2190
O2 Datamania 100GB
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 current number to this SIM card
449,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
O2184
O2 Go Junior Prepaid Card
SIM Card - for children, 2 GB of data and 200 minutes of calls to all networks for CZK 199 per month, SMS for 1,90 CZK, 300 CZK bonus on the first top-up of at least 300 CZK, automatic renewal of the tariff after 30 days if you have enough credit, calls after the units have been used up for CZK 4.90/min, the possibility of activating autopay, Full Data package option with unlimited data for 24 hours
199,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
O2187
Twist Smart Devices for EU
SIM Card - T-mobile, a prepaid card suitable for smart devices, 200 MB of free data per month and a bonus credit of 150 CZK, monthly and annual data packages, the package is automatically renewed for 75 CZK/month, calls 4,50 CZK/min. SMS 1.90 CZK, MMS 4.90 CZK, services work throughout the EU
Amazing Deal
139,-
Save 60,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
TW135b
Vodafone SIM gold eSIM
SIM Card - Includes 10GB of data + 5GB in the My Vodafone+ app, unlimited SMS within the Vodafone network for the first month included in the price + 50 CZK credit valid for 45 days
+Gift Service Alzaplus+ monthly subscription, gift with a value of 59,-
Discounted -20 %
159,-
199,-
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
VDF529be
OpenCall Prepaid card
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 abroad, SMS for 1,50 CZK, no commitment or contract, the ideal choice for foreigners in the Czech Republic, customer support in six languages, 300 CZK credit bonus on first recharge min. 300 CZK
Discounted -25 %
149,-
200,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
O2188
Vodafone GIGA Card 100GB (e-sim)
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,-
Amazing Deal
349,-
Save 100,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
VDF531b1
Twist for Photo Traps and Cameras for the Czech Republic
SIM Card - T-mobile, subscription card for photo traps and camera systems, you get 200 MB of free data for a month and a bonus credit of 150 CZK, automatic renewal of the package for 75 CZK/month, annual packages with a limit of 20 GB, 50 GB or 250 GB, calls 4,50 CZK/min. SMS 1,90 CZK, MMS 4,90 CZK, services can be used only within the Czech Republic
Amazing Deal
139,-
Save 60,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
TW136b
Vodafone 6 GB Prepaid Plan for a Year
SIM Card - 6 GB of data valid for 1 year, 500 MB of data each month, 20% reward on every top-up; activate the reward by texting ‘ODMENY’ to 7700 free of charge; reward credit is valid for 7 days; manage your pay-as-you-go plan in the My Vodafone app; available as both a SIM and an eSIM
New arrival
399,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
VDF1013b
SIM Cards - articles
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