Meter Delta Entry
In UpKeep, this app lives under Nova > Custom Apps. Opening it from here takes you to UpKeep, so you will need an account to install it.
Meter Delta Entry in 30 seconds
Part of the Nova Apps playlist.
What it does
Pick a meter, enter the usage since the last reading, and the app adds it to the latest value and saves the calculated total, with a full reading history you can export.
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