Frequently Asked Questions

Everything you need to know about getting the most from Fillzz.

How does Fillzz find the cheapest stations?
Fillzz aggregates prices from official sources, station operators, and daily community updates. We verify each data point before it appears in the app so you can compare prices with confidence.
Where is Fillzz available?
We currently cover France, Spain, Italy, Portugal, Andorra, Switzerland, and the United Kingdom. More European countries are planned-follow @fillzzapp for updates.
Which fuel types can I compare?
Fillzz supports Diesel (B7/B7+), Unleaded 95/98, E10, E85, LPG, CNG, LNG, Hydrogen, and Biodiesel blends. Use the fuel selector to switch instantly between fuel types.
How do price alerts work?
Follow a station by tapping the heart icon, then set a price target from the station detail screen. Fillzz sends a push notification as soon as the station drops below your target or publishes a lower price nearby.
What if I see an incorrect price?
Open the station, tap “Report price”, and share the correct amount. Include a receipt or photo if possible. Our moderation team reviews submissions quickly to keep the database accurate for everyone.
Do I need an account to use Fillzz?
No account is required to browse prices or plan a trip. Create a free profile only if you want to sync favourites across devices, enable alerts, or receive newsletter updates.
What data does Fillzz collect?
We collect basic analytics to improve the app and optional account information if you register (email address and favourites). We do not track driving behaviour or sell personal data. Read the Privacy Policy for full details.