Fish Tank Tracker

Log a full water test in seconds, watch every parameter charted against its optimal range, and never miss a water change. Offline, private, no subscription.

Fish Tank Tracker is the complete aquarium management app for fishkeepers of all levels.

Track water parameters, monitor your livestock, schedule maintenance, and visualize trends - all stored locally on your device with no subscription required. Works with reef, freshwater, saltwater, and brackish tanks.

WATER PARAMETERS Log all essential aquarium parameters:

• Temperature & Salinity
• pH, Ammonia, Nitrite, Nitrate
• Alkalinity, Calcium, Magnesium
• Phosphate
• Quick mode for fast logging
• Full mode for detailed entries
• Notes for each test

CHARTS & VISUALIZATION

• Beautiful parameter charts (FREE for all users!)
• View trends over time
• Color-coded status indicators
• Identify patterns at a glance

LIVESTOCK TRACKING

• Track fish, corals, and invertebrates
• Add photos of each addition
• Record purchase dates and costs
• Track health status
• Note species information

EQUIPMENT LOG

• Keep inventory of all equipment
• Track installation dates
• Monitor equipment age
• Plan replacements

MAINTENANCE SCHEDULING

• Create recurring tasks
• Get reminder notifications
• Log water changes
• Track maintenance history

DOSING CALCULATOR

• Calculate Alk/Ca/Mg dosing
• Based on your tank size
• Target specific parameters

SUPPORTED TANK TYPES

• Reef tanks
• FOWLR (Fish Only With Live Rock)
• Freshwater
• Saltwater
• Brackish
• And more!

SIMPLE PRICING Free tier includes:

• 2 tanks
• 90 days parameter history
• 25 livestock items
• Full chart access
• All maintenance features

Pro (one-time $4.99):

• Unlimited tanks
• Unlimited history
• Unlimited livestock
• CSV data export
• Trend analysis
• Priority support

WHY FISH TANK TRACKER?

• Offline-first: No internet required
• No subscription: One-time Pro purchase
• Private: All data stored on your device
• Simple: Clean, focused interface
• Reliable: SQLite database storage

Whether you're a beginner with your first nano tank or an experienced aquarist with multiple setups, Fish Tank Tracker helps you maintain consistent parameters and thriving fish.

Download now and start tracking your aquarium!