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Not quite — every retailer is required to publish to the CMA-mandated national feed within 30 minutes of changing a price, and we re-poll the feed every 30 minutes too. So the number you see is at most about an hour old, and usually much fresher. Every price carries an "Updated X ago" caption so you can see exactly how recently the retailer last republished it.

We don't scrape forecourt signage or guess — all displayed prices come from retailers publishing to the CMA-mandated national feed. Most mismatches come from publication lag or a retailer posting the wrong number to the feed. Check the pump before filling; the forecourt price is the one that counts.

Yes. Every figure on FuelFox is the all-in pump price you would see on the forecourt sign — VAT (20%), fuel duty (52.95p/L on petrol & diesel as of April 2026), refining margin and retailer margin all included. There is no extra cost layer hidden in the number.

Either the retailer hasn't republished a price for that grade in long enough that we've dropped it, or that grade isn't sold there. Independent forecourts are the most common offenders — they often only publish E10 and diesel, not premium grades.

On any station detail page, tap the heart icon to favourite it. Saved stations live in the Favourites view and load instantly the next time you open the app — no sign-in, all stored locally on your device.

No. The app only reads your location when you actively open the map or tap "locate me" — never in the background, never between sessions.

Yes — the app is anonymous by default. The first time you open it we issue an anonymous device identifier so your favourites and preferences persist across sessions, but there's no email, no password, and nothing to log into.

FuelFox covers every UK forecourt that publishes to the national feed — around 8,000 stations. A handful of small independents still don't publish, so a few postcodes look thinner than others.

The number is the maximum percentage of bioethanol in the blend. E10 is the standard UK unleaded — up to 10 percent ethanol. E5 is the "super" grade — up to five percent. Almost every petrol car built since 2011 runs on E10 fine; check gov.uk/check-vehicle-e10-petrol if you're unsure.

For most cars, not usually. Premium grades often include a stronger additive package and a higher octane rating, but the real day-to-day benefit depends on the car. Engines explicitly tuned for 97 or 99 RON can make proper use of the octane; other cars may see little beyond the detergent package.

Every price has an "Updated X ago" caption next to it — that's when the retailer last republished the price to the national feed, not when we polled it. UK retailers only republish when something actually changes, so a price that hasn't moved in days is usually still correct, just unchanged. We exclude anything older than two weeks from the cheapest-near-you rankings, but we still show the number with its timestamp so you can decide for yourself.

No, and we never will. We don't serve ads, we use only minimal product analytics, and we don't sell or hand your identifiers to ad networks or data brokers.