
FishTank Diary — Aquarium Log
Aquarium & turtle care log
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$0.99 Free
In-App Purchases
Lowest price: Free 7 months ago (-100%)
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About
Keep every aquarium, turtle tank, or aquatic habitat on track with simple logs, smart reminders, and a clear daily care dashboard.
FishTank Diary helps you:
- Log water tests including pH, ammonia, nitrite, nitrate, temperature, and more
- Track maintenance such as water changes, filter cleaning, siphoning, top-offs, and medication
- Record feedings and routine care in seconds with quick actions
- See today’s care status at a glance
- Get reminders for feeding, water changes, and water testing
- Spot overdue tasks and abnormal water readings early
- Keep your tank history organized in one place
Designed for real life:
- Fast, simple entries
- Quick access to common daily tasks
- Clear reminders and care status
- Works offline
- No account required
Free includes everything you need to care for one tank.
Upgrade to FishTank Diary Pro (Lifetime) for a one-time purchase:
- Track and manage multiple tanks
- See an all-tanks care overview
- View water parameter trends over 7, 30, or 90 days
- Export water tests and care logs to CSV anytime
Disclaimer:
FishTank Diary is for record-keeping and informational purposes only. It does not provide veterinary or medical advice.
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What's New in FishTank Diary
1.1.0
July 15, 2026
This update adds a smarter care dashboard for daily aquarium maintenance. - New Today section for daily care status - Quick actions for feeding, water changes, water tests, and filter cleaning - Needs Attention alerts for abnormal readings and due or overdue tasks - All Tanks dashboard summary for Pro users - Clearer Pro upgrade messaging - Bug fixes and performance improvements
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In-App Purchases
$0.99
AquaLog Pro (Lifetime)
Unlock multi-tank support, trends, and CSV export.





