An aquarium app
that actually cares for your tank.
Not a screensaver. Not a game. Ally is the aquarium app for tracking water, fish, and maintenance, with AI that reads your test strips and tells you what to do next.
For the people who keep the fish alive.
Not just watch them.
If you searched for an aquarium app, you probably did not want a wallpaper. Ally is built for hobbyists who run freshwater, saltwater, reef, or planted tanks and want a single place to log water, track livestock, and stay ahead of trouble.
- Reads test strips from API, Tetra, Seachem, Salifert, Red Sea, Hanna
- Per fish and per plant photo journals
- Cycle aware advice for new tanks
The chemistry that matters,
tracked over time.
- pH6.5 to 8.4Range adapts to your tank type
- Ammonia0 ppmAnything above zero is flagged
- Nitrite0 ppmAnything above zero is flagged
- Nitrate5 to 40 ppmTighter for reef and planted
- GH and KHTank specificHardness and buffering tracked over time
- Salinity1.024 to 1.026Saltwater and reef tanks
Specific to your space.
Quiet to use.
Photo testing
Snap a strip. Ally reads each pad and files the values against your tank history.
Tank aware advice
Ally knows the difference between a planted tank, a reef, and a goldfish bowl, and replies in plain language.
Voice logging
Hands wet from a water change? Speak the values. Ally transcribes and saves them.
Trend alerts
Climbing nitrate or unstable pH triggers a push before livestock notices.
14 day care plans
When something drifts, you get a step by step recovery plan tuned to your tank.
Livestock tracking
Photo journals for every fish and plant, with notes that survive every rescape.
Three small moments.
Steadier water.
A new tank
Ally walks you through cycling, ammonia spikes, and what to expect for the next four weeks.
Quick test
Three minutes with a strip. Ally compares to last week and tells you what changed.
Quiet help
Notice a fish acting odd? Open Ally, describe it, and get a tank specific next step.
Answers,
in plain language.
Get started
Better water,
starts today.
Free to download on the App Store. Optional subscriptions unlock more water bodies and unlimited test logs.
iPhone and iPad, on the Apple App Store.