Where a logbook beats a notebook
Four side-by-sides, written with the case for the alternative included. If a notebook is the right answer for you, the page says so.
FishTank Diary vs a paper logbook
Paper is honest, cheap and always works. It also cannot remind you, chart a trend, or search three years of readings.
Read the comparison → ComparisonFishTank Diary vs a spreadsheet
A spreadsheet is flexible and free — and it lives on a laptop that is nowhere near the tank when you are holding a test tube.
Read the comparison → ComparisonFishTank Diary vs Apple Notes
A running note is the lowest-friction log there is. It is also the one that becomes unreadable by month three.
Read the comparison → ComparisonFishTank Diary vs generic aquarium apps
Most aquarium apps are accounts, clouds and subscriptions wrapped around a water-test screen. This one is a logbook that works offline.
Read the comparison →Try the free tier and judge for yourself
One tank, unlimited logging, no time limit and no account. If it does not beat your current system in a week, keep your current system.
Open the App Store link →