250 GB
Verified Top PickWith a 24-month minimum term, GIGASIM L costs 17,49 € a month in months 1 to 12 and the regular 34,99 € from month 13. The site's own total over 24 months is 629,76 € against 839,76 € for the monthly cancellable version used for the same time, a difference of 210,00 €. The tariff includes 250 GB for Germany, the EU and five Balkan countries. Prices include VAT, status 01.10.2026.
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150 GB
VerifiedGIGASIM M with 150 GB is 12,49 € a month for the first 12 months when taken with a 24-month minimum term, then 24,99 € a month. Over two years the site calculates 449,76 € with the term against 599,76 € on the monthly cancellable version, which is 150,00 € less. No code is needed: the promotional price is applied when the 24-month option is chosen.
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50 GB
VerifiedThe smallest tariff, GIGASIM S with 50 GB, costs 7,49 € a month in the first 12 months of a 24-month contract and 14,99 € a month after that. The comparison page puts the two-year total at 269,76 € with the term and 359,76 € without it, a difference of 90,00 €. Without a minimum term the regular price applies from the first month.
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Setup
VerifiedThe price notes on gigasim.de state that the one-off connection fee does not apply to orders placed through GIGASIM: the amount is given as 0 €. The note sits in the general price notes that cover all three tariffs, next to the monthly prices for the 24-month and the monthly cancellable version.
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Balkan
VerifiedThe main data volume of 50, 150 or 250 GB can be used at no extra charge in Germany, in the EU countries on the network's Europe list and in Bosnia and Herzegovina, Croatia, Montenegro, Serbia and Slovenia. Each tariff adds a separate worldwide volume of 10, 20 or 30 GB for further countries such as Albania, North Macedonia and Turkey.
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eSIM
VerifiedNumber porting is free with every GIGASIM tariff according to the comparison table and the FAQ. The switch can take place straight away, at the end of the current contract or on a chosen date. Each tariff is available as an eSIM or as a classic SIM card, selected during the order.
Limited Time Offer
A practical savings guide for shoppers using GIGASIM offers.
GIGASIM does not publish a Gutschein code on its site. The saving it does state is a promotional price: 50% off the monthly base price for the first 12 months when a tariff is taken with a 24-month minimum term. No code has to be entered for it. All figures below were read on gigasim.de on 9 October 2026, where the price notes carry the status date 01.10.2026.
Without a minimum term the regular price applies from the first month and the contract can be ended with one month's notice. All prices include VAT.
The comparison page adds up the cost over 24 months for both versions of each tariff:
The site points out that these totals only hold if the tariff is used for the full 24 months.
The one-off connection fee does not apply to orders placed through GIGASIM and is shown as 0 €. Taking an existing phone number along is free of charge, either at once, at the end of the old contract or on a chosen date.
Calls to networks other than the partner networks in Bosnia and Herzegovina, Serbia and Montenegro cost 0,60 € per minute. The site does not advertise 5G for these tariffs.
GIGASIM is an offer of Preisfair GmbH. The tariffs themselves are provided by MTEL Deutschland GmbH, and the site states that GIGASIM is not MTEL. Orders are placed online and signed digitally, and advice by phone is available Monday to Sunday from 9:00 to 20:00.
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