
Store / Focus & life
Focus & lifeFuel Economy Log
Track what your car really uses: log each fill-up’s odometer, litres and price, and get L/100 km per tank, your average, cost per km and a warning when economy suddenly drops.
$7
Who it's for: drivers who want to know their real fuel use and spot problems early.
Buy · $7 Try free preview →Secure checkout on Gumroad · one-time, no subscription · open the free preview
- 20 fill-ups
- L/100 km per tank and average
- Cost per km
- Drop-in-economy warning
- Works in your browser, saves automatically, no account or download
Try it free, then buy when you are ready
- Try it now: open the free preview of Fuel Economy Log — it works in your browser, no account.
- Buy on Gumroad: $7 one-time, no subscription.
- Delivery: you get an Open link — tap it and the kit opens. No ZIP files, no installs. Bookmark it or Add to Home Screen.
FAQ
Where do I pay? Checkout is on Gumroad, one-time in USD. Your receipt has an Open link to the kit, so you can bookmark it or Add to Home Screen.
Do I need to download anything? No. Everything opens in your web browser on phone, tablet or computer, with large readable text and print-friendly pages.
Is it really one-time? Yes — $7 once, keep it.
Questions? Ask us or email digitalunderground.store@proton.me.
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