Koi Health Tracking App Comparison: Phones, Software, and Web Tools

By KoiQuanta Editorial Team|Updated Mar 2026

Koi hobbyists who use structured digital tracking detect disease outbreaks an average of 4 days earlier than paper log users. Four days is the difference between catching an infection at a surface lesion and dealing with a systemic bacterial spread.

This koi health tracking app comparison evaluates what's actually available across iOS, Android, and desktop, and separates the tools built for koi ponds from the ones that just happen to work for fish.

TL;DR

Your koi pond might be 2,000 to 10,000 gallons.
That cross-platform continuity matters in practice: you're not locked to a laptop when you're standing at the pond at 7 AM.
At $200+/mo, the pricing reflects its clinic audience.
If you're entering 4,000 gallons and the app starts glitching, it's not built for you.
Seasonal changes require adjusted monitoring schedules; automated reminders help maintain consistency.

TL;DR: Which App Should You Use?

|---|---|---|---|---|---|

| KoiQuanta | Hobbyists + dealers | Yes | Yes | Yes | $39/mo |

| KoiLogic | Casual hobbyists | No | No | Yes | $29/mo |

| AquaticVet | Vet clinics | Yes | Yes | Yes | $200+/mo |

The Core Problem With Generic Aquarium Apps

Generic aquarium apps require fish tank setups and can't handle pond volumes or koi-specific diseases. This isn't a minor inconvenience: it's a fundamental design mismatch.

When an aquarium app asks for your "tank size," it's thinking in gallons up to a few hundred at most. Your koi pond might be 2,000 to 10,000 gallons. When it asks for your fish species, koi may not even be in the dropdown. And when it comes to disease tracking, the pathogens that kill koi, including Costia, Koi Herpesvirus, and Aeromonas ulcer disease, aren't in the reference libraries.

Using an aquarium app for a koi pond is like tracking your marathon training in a cycling app. The structure is wrong from the start.

KoiQuanta: Best Koi Health Tracking App Overall

KoiQuanta is purpose-built for pond koi, available on iOS, Android, and desktop, and designed so that dealers can log treatments pond-side on mobile and review compliance records on desktop. That cross-platform continuity matters in practice: you're not locked to a laptop when you're standing at the pond at 7 AM.

What KoiQuanta tracks:

Individual fish health logs with photo attachments
Water quality parameters with trend charting
Treatment logs with dose calculations built in
Quarantine protocols with automated step scheduling
Compliance records for dealer import documentation

On mobile: The iOS and Android apps are optimised for pond-side use. Quick-log functions let you add a water test result or treatment note in seconds. Full features are available on mobile: you're not limited to a reduced version.

On desktop: The full dashboard with trend charts, compliance export, and detailed reporting is best on desktop. Dealers typically do compliance review and audit preparation at a desk; mobile is for the pond.

Who it's for: Serious hobbyists, anyone regularly treating fish, dealers and importers.

KoiLogic: Desktop Health Log

KoiLogic is desktop-only. If mobile access is a priority, that's a disqualifier. For hobbyists who manage their records at a computer and don't need pond-side mobile logging, the desktop-only format is workable.

The platform does health and water quality logging well. It doesn't do dose calculations, quarantine automation, or compliance reporting.

Who it's for: Casual hobbyists comfortable with desktop-only access and minimal treatment activity.

Aquarium Note (iOS/Android)

Aquarium Note is a popular free app with a large user base in the freshwater aquarium hobby. It's well-designed for what it does: tracking multiple fish tanks, logging water tests, and keeping species records.

It is not built for koi ponds. Pond volumes, koi diseases, and koi-specific treatment compounds aren't native to the platform. You can force it to work, but you'll constantly be working around its assumptions.

Who it's for: Freshwater aquarium hobbyists who want a free mobile option.

AquaticVet Mobile

AquaticVet has mobile apps that connect to its clinical software platform. They're well-made apps, but they're designed for veterinarians logging patient visits, not hobbyists tracking a garden pond.

At $200+/mo, the pricing reflects its clinic audience. For hobbyists, the price and the complexity are both unjustifiable.

Who it's for: Aquatic veterinary practices.

What to Look for in a Koi Health App

Pond-Scale Volume Handling

The app needs to work with your actual pond volume. If you're entering 4,000 gallons and the app starts glitching, it's not built for you.

Koi-Specific Disease Library

Koi get different diseases than goldfish, tetras, or marine fish. Your app's disease reference should include Koi Herpesvirus, Aeromonas, Columnaris, anchor worm, white spot, Costia, and the other pathogens that specifically affect koi.

Dose Calculation With Safety Checking

The most dangerous moment in koi keeping is calculating a treatment dose. An app that calculates the dose AND checks it against the safe range for that compound at your current water temperature is saving you from a potentially lethal error.

True Mobile + Desktop Parity

You should be able to log at the pond and review at your desk without losing features. Apps that are mobile-only or desktop-only create gaps in your workflow.

Does KoiQuanta Have a Mobile App?

Yes. KoiQuanta has native iOS and Android apps alongside its full desktop web interface. All features are available on mobile: you're not using a cut-down version. Treatment logs, dose calculators, health records, and water quality logging all work on mobile. Compliance reports and detailed trend charts are best reviewed on desktop, but the data entry happens wherever you are.

Can I Track Multiple Ponds in the Same App?

Yes, in KoiQuanta. Multi-pond management is a standard feature, and each pond maintains its own water quality history, fish records, treatment logs, and quarantine protocols. This is particularly useful for dealers managing separate display, quarantine, and holding systems, and for hobbyists with multiple garden ponds.

Does KoiQuanta have a mobile app?

Yes. KoiQuanta has full-featured iOS and Android apps. You can log water tests, add treatment records, view fish health histories, and run dose calculations from your phone. The mobile app is designed for pond-side use, with quick-log functions that take seconds. Compliance reports and trend charts render better on desktop, but all data entry works fully on mobile.

Can I track multiple ponds in the same app?

Yes, in KoiQuanta. You can add unlimited pond profiles under a single account, each with its own fish records, water quality history, treatment logs, and quarantine protocols. Switching between ponds takes one tap. KoiLogic does not support multiple pond profiles at the standard plan level. Generic aquarium apps handle multiple "tanks" but aren't calibrated for pond volumes.

Is there a koi health app for Android?

KoiQuanta has a full Android app with the same feature set as the iOS version. It's available on the Google Play Store and includes all core features: health logging, water quality tracking, dose calculators, quarantine protocol management, and compliance record access. Generic aquarium apps like Aquarium Note also have Android versions but aren't designed for pond koi management.

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Sources

Associated Koi Clubs of America (AKCA)
Koi Organisation International (KOI)
University of Florida IFAS Extension Aquaculture Program
Fish Vet Group
Water Quality Association

Find the Right App for Your Pond

See the full koi pond software comparison or go straight to the KoiQuanta vs KoiLogic head-to-head.

Try KoiQuanta on iOS, Android, or desktop, free for 14 days.