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Llenoporfavor
Find the cheapest gas station near you in Spain. Free!
Compare real-time fuel prices across 12,000+ gas stations in Spain. Based on official government data, updated every morning. No signup, no app, no ads in your face — just open the map and find the cheapest station near you. Save up to €500/year.
👋 Hey Product Hunt!
I built Llenoporfavor because every time fuel prices surged in Spain, I'd spend 5 minutes scrolling through cluttered apps full of ads and signup walls just to save €5 at the pump.
The thing is , all the data is already public. The Spanish government requires every gas station to report prices daily via an open API. But none of the consumer apps used it well: they were either slow, full of ads, required registration, or all of the above.
So I made the tool I wanted to use:
🗺️ Open the map. That's it. No signup, no download, no tracking. Just a Leaflet map with every gas station in Spain color-coded by brand and price.
🎰 "I'm feeling lucky" mode: Picks the best station for you in 10 km based on a weighted score of price + distance. One tap.
💚 Low-cost filter: Spain has a booming low-cost gas station market (Plenoil, Petroprix, Ballenoil). You can filter to see only these — typically 10-15 cents/liter cheaper.
🔋 Fill-up calculator: Type your tank size, see exact cost per fuel type.
❤️ Favourites: Save the stations on your commute, filter to see only those.
📊 National price trends: Historic charts of average prices, so you know if today is a good day to fill up.
📱 Installable as a PWA: No App Store needed. Add to home screen and it behaves like a native app.
💰 How much can you save? With a 50-liter tank and a 15-cent difference between stations (very common in Spain), that's €7-8 per fill-up. Fill up weekly and you're looking at €400-500/year saved — without changing your habits.
Tech stack: Plain HTML/JS + Leaflet + the government's public API. Hosted on GitHub Pages. No backend, no database, fully static. The entire product fits in a single file.
This is not a startup ,just a free tool. No VC, no subscription, no paywall. If you're outside Spain: the concept works anywhere governments publish fuel data (most of Europe does).
Feedback welcome , especially if you're a Spanish driver. I'm here in the comments all day. 🙌
About Llenoporfavor on Product Hunt
“Find the cheapest gas station near you in Spain. Free!”
Llenoporfavor was submitted on Product Hunt and earned 3 upvotes and 1 comments, placing #140 on the daily leaderboard. Compare real-time fuel prices across 12,000+ gas stations in Spain. Based on official government data, updated every morning. No signup, no app, no ads in your face — just open the map and find the cheapest station near you. Save up to €500/year.
On the analytics side, Llenoporfavor competes within Marketing — topics that collectively have 463.2k followers on Product Hunt. The dashboard above tracks how Llenoporfavor performed against the three products that launched closest to it on the same day.
Who hunted Llenoporfavor?
Llenoporfavor was hunted by Bruno Verdú Belmar. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Llenoporfavor including community comment highlights and product details, visit the product overview.
Bruno Verdú Belmar