It's €12.99 per month.
There's a one-time activation fee of €12.99 with the purchase of the first monthly membership plan:
All Data* €12.99 Plan
This All Data* plan is only available to new 48 customers who order their 48 SIM and purchase an All Data* plan from the 5th April 2022. A one-time activation fee of €12.99 applies with the first plan purchase.
Your second monthly membership plan should be free so effectively cancelling out the activation fee.
If you need to contact 48 support about any of this then see the links in my signature below.
