# Koi Expert

> Koi Expert (iPhone/iPad app by Yihong Lim.)

- Source: https://appshunter.io/ios/app/koi-expert/id6790999562 (this page in markdown: same URL + `.md`)
- Developer: [Yihong Lim](https://appshunter.io/developer/1833436968)
- Category: Lifestyle
- Price: Free
- Age rating: 4+
- Requires: iOS 15.1 · 56 MB
- Languages: English
- Released: 2026-07-23
- Data updated: 2026-07-25
- User reviews in markdown: https://appshunter.io/ios/app/koi-expert/id6790999562/reviews.md

## What is Koi Expert?

Worried about sick koi, pond water quality, or not knowing what to do first?

Koi Expert is your koi and pond assistant, available when you need it, to help your koi stay healthy and your pond stay stable.

Get clear, practical guidance whether you’re checking for early signs of trouble, improving day-to-day care, or handling something that feels urgent.

With Koi Expert, you can:

• Snap a photo for Koi Health Diagnosis insights
• Estimate fair market value with Koi Price Checker
• Ask Koi Expert anything about pond water, feeding, behavior, and more in chat
• Use your pond care checklist and routines to build consistent habits

Koi Expert isn’t only for “bad days”. It’s a steady companion for better pond husbandry. The more context you share, the more tailored the guidance can feel over time.

Why Koi Expert?

• Catch problems earlier and reduce guesswork
• Support scale and skin health, behavior, and stable pond water
• Get focused, koi-first advice without digging through endless forums

Download Koi Expert and bring koi and pond care into your routine, whether you’re troubleshooting, planning ahead, or learning as you go.

Privacy Policy: https://geckoexpertapp.github.io/koi-expert-legal/privacy-policy.html
Terms of Service: https://geckoexpertapp.github.io/koi-expert-legal/terms-of-service.html

Subscription information

Koi Expert offers weekly and annual plans.

• Koi Expert Weekly Pro: $9.99/week, auto-renews weekly
• Koi Expert Annual Pro: $79.99/year, auto-renews annually

Manage or cancel anytime in your App Store account settings after purchase.


## Version history (last 1 release)

### 1.0 — 2026-07-23

No release notes.

## More apps by Yihong Lim

- [Reef Expert: Fish & Coral](https://appshunter.io/ios/app/reef-expert-fish-and-coral/id6751739535)
- [Ask Popcorn Cat Translator](https://appshunter.io/ios/app/ask-popcorn-cat-translator/id6753329601)
- [Goldfish Expert](https://appshunter.io/ios/app/goldfish-expert/id6757694602)
- [Gecko Expert](https://appshunter.io/ios/app/gecko-expert/id6759955900)
- [Shrimp Expert](https://appshunter.io/ios/app/shrimp-expert/id6761700824)
- [Betta Expert](https://appshunter.io/ios/app/betta-expert/id6762184722)

All apps by Yihong Lim: https://appshunter.io/developer/1833436968

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-25.*