Download App-aquatic
Log water tests, look up any fish or plant, and calibrate your kit - all offline, all free. No paywall, no ads on the basics. Ever.
Premium: dashboards, water history, AI fish & health scans, stocking simulator, Caretaker, multi‑tank - 7-day trial, then one subscription. No ads. Compare apps · FAQ.
Aquarium maintenance & water testing - Android & iPhone
Same build on Google Play and the App Store. Log tests, browse fish & plants; trial unlocks dashboards and reminders. Core water testing & references stay free; premium is optional.
Free forever - no strings
The tools you actually use every week. No trial clock ticking on them.
Included forever
Water testing + fish & plant database
Free for life: kit calibration, parameter logging, offline capture (strips supported) - plus the full fish & plant library. Stays free after trial or cancel. No ads on these features.
Why hobbyists stay
When you’re ready to go deeper - dashboards, trend history, AI fish scans, stocking simulator, Caretaker - it’s one subscription, no ads, no nonsense. Try it free for 7 days.
Who it is for
For anyone running a freshwater tank - from first setup to multiple established tanks. If you test your water and actually care about the results, this is for you.
After the trial
Trial ends? Your water logs and species library are still yours - free, forever. Subscribe only if premium is worth it to you.
Download FAQ
Is there a free aquarium maintenance app for Android?
Yes. Free on Google Play. Water testing - calibration, logging, offline capture (strips included) - and the fish & plant database are free forever. Premium (dashboards, extended history, Caretaker, stocking simulator, and more) starts with a 7-day trial, then subscription.
Is there a free aquarium maintenance app for iPhone?
Yes. Free on the App Store. Same water-testing stack and species/plant library - free forever. Premium: same trial and subscription model as Android.
Is App-aquatic available on iOS?
Yes. App-aquatic is available on both the App Store and Google Play. It works on phones and tablets - iPhone, iPad, and Android devices.
What is free for life?
Water testing - kit calibration, parameter logging, offline capture (strips included) - plus the full fish & plant references: free, no paywall, no ads on those features. Premium (dashboards, extended history, AI scans, simulator, Caretaker, multi‑tank, and similar) starts with a 7-day trial, then subscription - still no third‑party ads.
Is it good for beginners?
Yes - clear water tracking, reminders, and practical guidance for new and experienced hobbyists.