KoiQuanta vs KoiLogic: Which Koi Management Software Is Right for You?
TL;DR Verdict: KoiLogic is $29/mo with a solid health log. KoiQuanta is $39/mo with full quarantine automation, dose calculators, and dealer compliance tools. The $10 gap is real. Whether it's worth it depends on how seriously you take your fish health management.
KoiLogic users report spending 3x more time on manual dose calculations that KoiQuanta automates completely. If you're treating fish regularly or managing import compliance, that time adds up fast.
TL;DR
- KoiQuanta is $39/mo with full quarantine automation, dose calculators, and dealer compliance tools.
- KoiLogic users report spending 3x more time on manual dose calculations that KoiQuanta automates completely.
- KoiQuanta adds seven specific features that KoiLogic simply doesn't offer: the dose calculators, quarantine automation, compliance tools, and audit export make up most of that $10/mo difference.
- The $29/mo price point is genuinely accessible.
- The $10/mo difference buys you automation, safety, and compliance tools that KoiLogic doesn't offer.
- Read our full best koi management software 2026 comparison, or explore KoiQuanta's quarantine software features in detail.
KoiQuanta vs KoiLogic: Feature Comparison
| Feature | KoiQuanta ($39/mo) | KoiLogic ($29/mo) |
|---|---|---|
| Health log | Yes | Yes |
| Water quality tracking | Yes | Yes |
| Dose calculators | Yes: automated | No |
| Quarantine automation | Yes: full workflow | No |
| Treatment concentration calculator | Yes | No |
| Safe-range flagging on doses | Yes | No |
| Dealer compliance records | Yes | No |
| Audit-ready export | Yes | No |
| Photo-attached health logs | Yes | Limited |
| Mobile + desktop access | Yes | Desktop only |
| Custom compound library | Yes | No |
| USDA audit export | Yes | No |
KoiLogic handles the basics well. KoiQuanta adds seven specific features that KoiLogic simply doesn't offer: the dose calculators, quarantine automation, compliance tools, and audit export make up most of that $10/mo difference.
KoiLogic: What It Does Well
KoiLogic built its reputation on a clean, easy-to-use health log. The interface is intuitive. Setup takes minutes. For hobbyists who want a digital record of water tests and fish observations, it does the job without friction.
The $29/mo price point is genuinely accessible. If you have one pond, a handful of fish, and you're not buying new stock frequently, KoiLogic may be all you need.
It's a health log. It records what you tell it.
Where KoiLogic Falls Short
The core limitation is that KoiLogic is passive. It logs what you enter; it doesn't calculate, automate, or flag.
No dose calculator means every treatment calculation is manual. You're using online tools or pen and paper to figure out how much formalin to add, then manually checking whether that dose is safe. The gap between "I calculated X" and "X is actually in the safe range for my water temperature" is where mistakes happen.
No quarantine automation means every quarantine step is a manual reminder system. You set your own calendar alerts. You track your own retreatment schedule. There's no workflow guiding you from intake to clearance.
For dealers, the missing compliance tools are the biggest problem. KoiLogic generates no audit-ready records and has no USDA-compatible export. If a USDA inspector shows up, your KoiLogic data is not what they need to see.
KoiQuanta: What It Adds
Automated Dose Calculators
KoiQuanta calculates treatment doses from your pond volume, stock solution concentration, and target therapeutic level. Every result is checked against the safe range for that compound at your current water temperature. You get a dose and a confirmation that it's appropriate, not just a number.
Quarantine Automation
The quarantine workflow in KoiQuanta takes you from new fish arrival through the full 30-day protocol. It schedules retreatment prompts, flags observation windows, and generates clearance records when all criteria are met. You're not managing this manually.
Dealer Compliance Tools
For dealers, KoiQuanta generates audit-ready records as a side effect of normal use. Every treatment, every quarantine step, every water test is timestamped and organised. When you need a USDA-compatible export, it takes seconds.
Mobile Access
KoiLogic is desktop-focused. KoiQuanta works on any device: you can log a treatment pond-side on your phone and review the full record on your desktop later.
Does KoiLogic Have Quarantine Automation?
No. KoiLogic does not offer quarantine automation. You can log quarantine events manually, but there's no automated workflow that schedules retreatments, prompts observations at the right intervals, or generates clearance documentation. This is one of the most commonly cited reasons hobbyists switch from KoiLogic to KoiQuanta.
Who Should Use KoiLogic
KoiLogic makes sense if:
- You have one established pond with no new fish introductions
- You never treat with chemicals (or treat very rarely)
- Budget is genuinely the deciding factor and $10/mo matters
- You want a simple, low-friction record for your own reference
Who Should Use KoiQuanta
KoiQuanta makes sense if:
- You buy new fish regularly and take quarantine seriously
- You treat with salt, formalin, KMnO4, prazi, or other chemicals
- You're a dealer or importer with compliance obligations
- You want dose calculations checked against safe ranges automatically
- You manage multiple ponds
Does KoiLogic have quarantine automation?
No. KoiLogic offers health logging but does not include an automated quarantine workflow. You can manually record quarantine events, but there are no scheduled prompts, retreatment reminders, or clearance documentation features. If quarantine automation is a priority, and it should be for anyone regularly introducing new fish, KoiQuanta is the platform that offers it.
Is KoiQuanta worth the extra $10/mo over KoiLogic?
For hobbyists who buy fish regularly, treat with chemicals, or manage more than one pond, yes. The dose calculators alone save time on every single treatment, and the safe-range flagging prevents potentially fatal errors. For dealers, the compliance tools make it a practical necessity. For a casual hobbyist with a stable, established pond and no new introductions, the price difference may not be justified.
Which software is better for koi dealers?
KoiQuanta, clearly. KoiLogic has no dealer-specific features: no audit-ready records, no USDA-compatible export, no compliance workflow. KoiQuanta was built with dealers in mind from the start, and generates compliant documentation as part of normal daily use. For any dealer facing USDA or state import inspections, KoiLogic simply isn't equipped for the job.
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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
The Bottom Line
KoiLogic is a good health log. KoiQuanta is a complete koi management platform. The $10/mo difference buys you automation, safety, and compliance tools that KoiLogic doesn't offer.
Read our full best koi management software 2026 comparison, or explore KoiQuanta's quarantine software features in detail.
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