There are more than 9 prepaid SIM card providers in Germany. The most important ones are:

• O2 – Enjoy mobile independence with a free prepaid SIM card. All the prepaid offers are tailored as per your requirements. Get easy, flexible, and comfortable recharge anytime, anywhere. You can opt for a free basic card with a €1 initial balance and pay as per your usage. The other plans are available at €9.99, €14.99, and €24.99.
• Telekom – Make your communication, flexible with the Telekom prepaid SIM card without any fixed contract. Top up your SIM card with any of your desired amount from €15 to €99. You can even begin with €10 starting credit. The other MagentaMobil prepaid plans are available for €2.95, €9.95, €14.95, and €24.95.
• Vodafone – Find the new prepaid tariff without and contract term. The most popular ones are available at €4.99, €9.99, and €20. These plans include EU roaming, 1GB, 2.5GB, and 10GB, respectively. Free calling minutes and SMS are also included in these plans, but vary as per the tariff.