Compare Fonia mobile plans (October 2026)
Fonia sells 1 mobile plan in Poland, from zł 17.00/month (FONIA SIM 31 GB).
Operator facts
| Activation fee | eSIM | Network | Contract | EU roaming | Promo code | Source · checked |
|---|---|---|---|---|---|---|
| zł 1.00 | Yes | Orange / Plus (customer's choice) | prepaid, no subscription | 5.81 GBstated | unknown | fonia.app · |
All plans
- FONIA SIM 31 GB costs zł 17.00 a month (new customers pay zł 8.50/month; the offer applies if you sign up by 31 December 2026; the discount then lasts 1 month, after which zł 17.00/month applies; zł 195.50 over 12 months, zł 399.50 over 24 months), includes 31 GB data and Unlimited, prepaid, no subscription, EU allowance 5.81 GBstated. -50% on the first month, monthly billing only, orders 24.07-31.12.2026, customers who never had FONIA services. Order at fonia.app/zamow-sim Go to Fonia. checked
Fonia eSIM
1 of the 1 Fonia plans state eSIM. The cheapest with eSIM is FONIA SIM 31 GB, at zł 17.00 a month.
Fonia roaming
Elsewhere in the EU, Fonia plans give 5.81 GB, as Fonia states.
Who it's cheapest for
Not the cheapest for any of the 3 standard situations we compare.
- For Data only, no calls needed (1 GB+), FONIA SIM 31 GB costs zł 16.38/month; CrossMobile MEGA HIT OFERTA is cheaper at zł 8.33/month, about zł 96.60/year less over a year (effective cost, fees and extra use included).
- For 5 GB+, FONIA SIM 31 GB costs zł 16.38/month; CrossMobile MEGA HIT OFERTA is cheaper at zł 8.33/month, about zł 96.60/year less over a year (effective cost, fees and extra use included).
- For 20 GB+, FONIA SIM 31 GB costs zł 16.38/month; CrossMobile MEGA HIT OFERTA is cheaper at zł 8.33/month, about zł 96.60/year less over a year (effective cost, fees and extra use included).
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