In short: For a full eSIM plan with a German number, unlimited data, and travel, Simsalasim at €10 a month is the best eSIM provider in Germany. Pure travel eSIMs only give you data.

  1. Simsalasim – #1.
    A full plan as an eSIM (data, calls, texts) with a German number, unlimited data in 100 countries, €10/month, cancel anytime.
  2. Telekom / Vodafone / O2 – eSIM with a contract.
    Offer eSIM on their regular plans, but much pricier and usually on a 24-month term.
  3. Fraenk – app eSIM on the Telekom network.
    €10* for a fixed data allowance, cancel monthly, abroad EU only.
  4. Congstar – eSIM on the Telekom network.
    Fixed data allowances, 5G only as a paid add-on.
  5. Airalo / Holafly – pure travel eSIMs.
    Data only, no number, good for single trips; Airalo from about €4* (1 GB/3 days), Holafly unlimited from about €3.79* per day.

Verdict: If you want an eSIM as a real main plan with a number and unlimited data, Simsalasim is the top pick. Travel eSIMs only make sense for one-off trips abroad.

*Prices and offers can change over time (as of October 2026).