Decision Summary
Use this page when you need a working German number quickly. The core choice is usually network quality vs. price vs. how much German friction you can tolerate during setup.
Most German mobile sites are still German-first. This page highlights the best expat fits and flags when the signup page itself may not feel fully English-native.
Aldi Talk is still the easiest low-commitment option if you want prepaid control and do not mind O2-level coverage.
congstar and fraenk win if Telekom coverage matters more than getting the absolute cheapest plan.
SIMon makes sense when you want a solid data-heavy option with monthly flexibility and easier digital management.
Use Check24 when you want a large contract and prepaid overview in one place before deciding which operator deserves a closer look.
Compare on Check24Install a Simsima travel eSIM before takeoff for instant mobile data across Germany without a local IBAN, contract, or registration.
Get Simsima eSIM →Skip comparison overload and start with Aldi Talk or fraenk if you just need a working line quickly and can optimise later.
See top SIM picksGerman mobile contracts and physical prepaid SIM cards require ID verification (PostIdent) and typically a German IBAN or registered address. If you need mobile data the moment your flight touches down in Germany to navigate, order transport, and message hosts, set up a Simsima travel eSIM before takeoff.
Get Simsima Travel eSIM (190+ Destinations) →Our long-form guide detailing contract types, network providers, registration laws, and how to get connected in Germany.
A focused comparison of discount plans from sim.de, sim24.de, and klarmobil for expats keeping costs low.
Check active short-term discounts on contract and prepaid SIM plans before making your decision.