Know when to order fuel
Kotlo keeps your purchases, stock and boiler refills in one place, shared with your household. It shows how long the fuel lasts and when to order the next delivery.
Free. The Android app is in closed testing.
What Kotlo does
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Refills in seconds
Record a refill on your phone, even offline. Kotlo works out consumption per day and per hour, like your spreadsheet did.
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Stock by delivery
Every delivery is its own lot with its price. Refills take fuel first in, first out, so the cost of heating is exact.
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When to order
From recent consumption Kotlo estimates when the hopper and the stock run out and when to order at the latest.
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Shared with your household
Invite family members with their own role. Everyone sees the same numbers on the web and on Android.
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Bring your spreadsheet
Import your history from a filled-in Excel workbook and check the numbers before anything is saved.
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In your language
Czech, English, German and Polish, with amounts, dates and units in your format.