Glaslog — ஆதரவு

No. It stores the number you type and says whether the latest number is higher, lower, or the same as the previous one. It does not tell you to change water, add a chemical, or move a fish.

In a local file on this phone. There is no account. A new phone does not receive the old readings. Uninstalling removes the file.

One aquarium is free and keeps its history. There are no ads and no subscription. A one-time purchase raises the limit from 1 aquarium to 6 and adds CSV export. Google Play shows the price at purchase.

A new phone can restore the purchase. It does not restore the readings, because they never left this phone.

Each aquarium can hold 12 parameters. Each parameter can hold 400 readings. A value can have up to 4 decimal places and cannot be negative. A date cannot be after today or before 1 January 2000.