In short: The best phone plan for students is Simsalasim: €10/month, unlimited data, no term, and unlimited data in 100 countries, ideal for a semester abroad or Erasmus.

  1. Simsalasim – #1.
    €10/month, unlimited data in 100 countries and unlimited Talk+Text to 50 countries, good for Erasmus and travel, cancel anytime.
  2. fraenk – €10* / fixed allowance.
    App plan on the Telekom network, cancel monthly.
  3. congstar – fixed data packs.
    Telekom network, flexible options.
  4. sim.de – cheap data on the O2 network.
    Unlimited on demand from €19.99*.
  5. Aldi Talk S – €8.99* / 25 GB (4 weeks).
    Allnet flat, top up 1 GB any time, prepaid.

Verdict: Students want to pay little, stay flexible, and be online abroad. That’s exactly what Simsalasim offers: unlimited data plus 100 countries for €10, with no contract.

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