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In development

Servoscope

Is the cheaper fuel actually worth the drive?

Fuel apps tell me what each servo charges. They never tell me whether the cheaper one is worth the drive. Servoscope works that out, and it's still in development.

Ranked by total costThe best fill comes first, counted with my discount and the drive there and back. If I pick the closest servo instead, it tells me what that costs me.
Low fuel stays closeWhen the gauge drops to one block it turns amber and only looks nearby, so it never sends me across town on fumes.
Drive cardOpened by voice in the car, it shows one answer and counts three seconds into navigation, with a Cancel button big enough to hit.

The question fuel apps skip

I love apps that show fuel prices. They've just never answered what I actually ask. Is the cheaper fuel worth the extra distance? Which stop costs the least detour from where I'm already going? What about my discount?

Total cost, not the sign

Servoscope ranks stops by what a fill really costs: the price for the litres I need, plus the fuel burned getting there and back, minus the one discount that saves the most. Distance is real road distance. A river in the way can turn 1.4 km on the map into 9.7 km on the road.

One answer, then the runners-up

The best fill gets the colour and a one-line reason. Fuel level is eight blocks I set with a thumb. At one block it turns amber and only nearby stops count, because that's when I can't afford a clever detour.

Next, the car

The web version covers near me. The Android app is aimed at the car: one big card and a three-second countdown into navigation, so I never look anything up while driving. Route mode, with the detour to the best stop, is the next piece. Queensland first, still in development.