SIMon mobile-App

With SIMon mobile, you get a great deal on a mobile plan without a fixed contract – flexible, simple, and fair: e.g., 50 GB from €9.99 on the best D-network. Order now, get started right away, and manage everything conveniently in one app.


Simon mobile lets you get started immediately and manage everything conveniently in one app. Your benefits at a glance:

Starting at 25 GB of data from €8.99 per month

Includes LTE/5G with speeds up to 150 Mbps

Top D-network quality

Unlimited calls and texts

EU roaming included

Monthly cancellation option

No upfront costs

Flexible data add-ons

Available with eSIM

Convenient payment via PayPal or SEPA direct debit

It's easy with the SIMon mobile app:

Download the app

Order your preferred plan directly

Insert SIM card or activate your eSIM

Surf, make calls, and manage everything conveniently in the app

One plan, many options

Bring your existing number: Switch to us and pay from €8.99 per month for 25 GB including LTE/5G (up to 150 Mbps).

New number: Want a new number? For just €11.99, you get a new number including all SIMon mobile services.

Full cost control & flexibility

Surf, stream, call, and chat – with 25 GB, you're all set. And if you need more, simply add extra data and surf at speeds of up to 150 Mbps. You can cancel the additional data allowance monthly.

No activation fee, no shipping costs, no long-term contract – just complete transparency, monthly cancellation, and even the option to pause your plan for up to 3 months.

Everything under control with the SIMon mobile app:

Check your data usage anytime

Book data options flexibly

Keep track of your costs

Adjust your contract details, such as your IBAN

Port your phone number later

Order a replacement SIM or switch to an eSIM

Block your SIM

Pause your contract for up to 3 months

SIMON & friends

It pays to team up: Get extra data with your friends now! For every successful referral, you'll both receive an extra 5 GB every month. For life with your SIMon plan.

Quick help with questions

Do you have questions about SIMon mobile's tariff details or need more information about specific app features? Then take a look at our FAQs – we have the answer to everything!

Need personal support?

Then simply use the online contact form, send an email to service@simonmobile.de, or give us a call. You can reach us by phone Monday to Sunday between 7:00 a.m. and 11:00 p.m. at +49 211 91325430.

Your Simon.