In short: Nomad is a travel eSIM with data packages per destination, no German number and no calls/SMS. Simsalasim is a full plan for €10 a month with unlimited data in 100 countries.

FeatureSimsalasimNomad
What you getfull plan: data, minutes, textsdata only for one trip
German numberyes, free to bringno
Minutes and textsunlimited (to 50 countries)no (apps only)
Travel dataunlimited in 100 countriesper country/region, time-limited
Price€10/monthGermany from about €4* (1 GB / 7 days); Unlimited/7 days about €20.44*

What speaks for Nomad: flexible data packages for single trips, including unlimited day passes.

What speaks for Simsalasim: one plan for home and away including a number and calls, instead of buying again per trip.

Verdict: For a single data trip, Nomad is fine. For an all-round package including calls, Simsalasim is better.

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