Compare FONIC mobile plans (October 2026)
FONIC sells 3 mobile plans in Germany, from €10.70/month (FONIC Smart S).
Operator facts
| Activation fee | eSIM | Network | Contract | EU roaming | Promo code | Source · checked |
|---|---|---|---|---|---|---|
| €9.99 | Yes | Telefónica (O2) | prepaid, no subscription | 25 GBstated | unknown | fonic.de · |
All plans
- FONIC Smart S costs €10.70 a month (new customers pay €0.00/month; the discount then lasts 1 month, after which €10.70/month applies; €117.70 over 12 months, €246.10 over 24 months), includes 25 GB data and Unlimited, prepaid, no subscription, EU allowance 25 GBstated. Product page badge 'Die ersten 4 Wochen kostenlos!' (first 4 weeks free); no terms, end date or customer restriction stated. Order at fonic.de/prepaid-tarife/fonic-smart-s Go to FONIC. checked
- FONIC Smart M costs €16.06 a month (new customers pay €0.00/month; the discount then lasts 1 month, after which €16.06/month applies; €176.66 over 12 months, €369.38 over 24 months), includes 50 GB data and Unlimited, prepaid, no subscription, EU allowance 50 GBstated. Product page badge 'Die ersten 4 Wochen kostenlos!' (first 4 weeks free); no terms, end date or customer restriction stated. Order at fonic.de/prepaid-tarife/fonic-smart-m Go to FONIC. checked
- FONIC Smart L costs €21.42 a month (new customers pay €0.00/month; the discount then lasts 1 month, after which €21.42/month applies; €235.62 over 12 months, €492.66 over 24 months), includes 100 GB data and Unlimited, prepaid, no subscription, EU allowance 100 GBstated. Product page badge 'Die ersten 4 Wochen kostenlos!' (first 4 weeks free); no terms, end date or customer restriction stated. Order at fonic.de/prepaid-tarife/fonic-smart-l Go to FONIC. checked
FONIC eSIM
3 of the 3 FONIC plans state eSIM. The cheapest with eSIM is FONIC Smart S, at €10.70 a month.
FONIC roaming
Elsewhere in the EU, FONIC plans give 25 to 100 GB, as FONIC states.
Who it's cheapest for
Not the cheapest for any of the 5 standard situations we compare.
- For Data only, no calls needed (1 GB+), FONIC Smart S costs €10.64/month; Lycamobile Global Connect XS is cheaper at €3.50/month, about €85.68/year less over a year (effective cost, fees and extra use included).
- For 5 GB+, FONIC Smart S costs €10.64/month; Lycamobile Global Connect XS is cheaper at €3.50/month, about €85.68/year less over a year (effective cost, fees and extra use included).
- For 20 GB+, FONIC Smart S costs €10.64/month; BIGSIM Allnet Flat 25 GB is cheaper at €6.99/month, about €43.80/year less over a year (effective cost, fees and extra use included).
- For 50 GB+, FONIC Smart M costs €15.55/month; Happy SIM Allnet Flat 75 GB is cheaper at €9.99/month, about €66.72/year less over a year (effective cost, fees and extra use included).
- For 100 GB+, FONIC Smart L costs €20.47/month; ALDI TALK Tarif S (Unlimited GB nachbuchen) is cheaper at €11.53/month, about €107.28/year less over a year (effective cost, fees and extra use included).
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