Best Koi Fish Breeding Apps & Games

243+ iOS apps & games curated and reviewed

4.4 avg rating

18 free apps & games

Updated October 2026

With an average user rating of 4.4★, the koi fish breeding category is one of the App Store's strongest. Browse all 243+ apps and games we track, sorted so the most loved ones surface first.

Compare top Koi Fish Breeding Apps & Games (October 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Koi Farm	$2.99	4.7★ (15)	No	No	Oct 2026
2	Koi Pond: Relaxing Fish	Free	3.9★ (12)	Yes	No	Oct 2026
3	Ornafish	Free	—	—	No	Oct 2026
4	Farming Koi	Free	—	No	No	Oct 2026
5	KoiApp — Koi & Pond Tracker	Free	—	No	Yes	Sep 2026
6	Koi Fish 2	Free	—	No	No	Aug 2026
7	Nishikigoi Pond	Free	4.0★ (1)	Yes	Yes	Oct 2026
8	Zen Koi Pro+	Free	4.8★ (5K)	No	No	Oct 2026

Top Picks for Koi Fish Breeding

#1

Koi Farm by Job Talle

A koi breeding game.

Editor's Choice

4.7(15 ratings)

$2.99

Koi Farm screenshot 1

Koi Farm screenshot 2

Koi Farm screenshot 3

Koi Farm screenshot 4

Breed and discover unique koi fish in an infinite procedurally generated world. Collect your favorite patterns as trading cards and share them with others. Explore new mutations and fill your koi book.

#2

Koi Pond: Relaxing Fish by Guangzhou Leqi Trading Co., Ltd.

Zen Aquarium & Fish Pond

Strong Contender

🎬 Entertainment

3.9(12 ratings)

FreeAds

Koi Pond: Relaxing Fish screenshot 1

Koi Pond: Relaxing Fish screenshot 2

Koi Pond: Relaxing Fish screenshot 3

Koi Pond: Relaxing Fish screenshot 4

Koi Pond: Relaxing Fish screenshot 5

Create and interact with a tranquil virtual koi pond. Feed your fish, customize the scenery, and enjoy a peaceful, visually engaging experience designed for relaxation.

#3

Ornafish by Ornafish Japan Co. Ltd.

Japanese koi & medaka

Worth Considering

🛍️ Shopping

0.0(0 ratings)

Free

Ornafish screenshot 1

Ornafish screenshot 2

Ornafish screenshot 3

Ornafish screenshot 4

More Koi Fish Breeding apps to explore

🎬 Entertainment

KoiApp — Koi & Pond Tracker

KoiApp — Koi & Pond Tracker

KoiApp — Koi & Pond Tracker

Koi care, growth & market

by Coremedia,inc.

Nishikigoi Pond

Nishikigoi Pond

Nishikigoi Pond

A koi pond in your pocket

Create and nurture a virtual koi pond. Watch unique fish grow, breed them to develop new patterns, and enter them into competitions. This simulation allows you to manage a serene aquatic environment with distinct koi characteristics.

Unique, procedurally generated koi patternsKoi growth and color developmentBreeding system for new lineages

Ad-free koi breeding & relax

This premium, single-player game offers a serene escape with mesmerizing koi breeding and collection. Enjoy tranquil gameplay, enchanting music, and a visually stunning experience without ads or in-app purchases. Perfect for relaxation and mindful breaks.

Over 50 unique koi patterns to collectRare and shiny koi and dragon designsOffline play functionality

Koi Pond Fish - Live Aquarium

Koi Pond Fish - Live Aquarium

Koi Pond Fish - Live Aquarium

Relaxing Virtual Koi Pond Fish

Design and maintain your own virtual koi pond. Care for your fish, customize the environment, and enjoy a peaceful, interactive aquarium experience.

Create and customize virtual koi pondsCare for and feed koi fishInteractive aquarium gameplay

KoiControl - The Koi App

KoiControl - The Koi App

KoiControl - The Koi App

Koi, Water Quality & Pond

Digitally manage your koi population and pond water quality. Track fish growth, calculate optimal feeding amounts, and monitor water parameters with automated analysis and suggestions. View trends with generated charts and manage multiple ponds.

Water parameter tracking and analysisKoi profile creation and growth historyAutomated food calculator

free with in-app purchases

Ad-free koi breeding & relax

This premium, single-player game offers a serene escape with mesmerizing koi breeding and collection. Enjoy tranquil gameplay, enchanting music, and a visually stunning experience without ads or in-app purchases.

Over 50 koi patterns to collectRare and shiny koi and dragonsOffline play

Zen Koi Classic

Zen Koi Classic

Zen Koi Classic

Relax, Breed & Collect Koi

Nurture and collect vibrant Koi fish in a serene underwater world. Watch them grow, evolve into majestic dragons, and discover hundreds of unique varieties. Share your collection with friends and enjoy a calming, visually stunning experience.

Breed and collect hundreds of unique Koi varietiesWatch Koi evolve into majestic dragonsSoothing music and mesmerizing visuals

free with in-app purchases

Beautiful koi and healing time

Observe and interact with beautiful koi and goldfish in a virtual aquarium. Increase their favorability, collect more fish, and unlock new views. Enjoy a relaxing experience with optional in-game currency for faster progression.

Observe koi and goldfishChange viewing anglesIncrease fish favorability

by Nguyen Dinh Phat

🎬 Entertainment

Breed & grow Koi in Your Pond!

Breed and grow unique Koi varieties in a virtual pond. Complete quests, solve puzzles, and customize your environment. Showcase your prized fish in this relaxing 3D simulation game.

Koi breeding mechanicsPond customizationDaily quests and puzzles

free with in-app purchases

Ascend your Koi into a Dragon

Nurture and breed vibrant koi, guiding them through a serene journey to transform into majestic dragons. Customize your underwater sanctuary and create unique constellations in a breathtaking celestial realm.

Breed and nurture koiTransform koi into dragonsExplore the Dragon Realm

free with in-app purchases

by Alex Reibman

Manage your koi pond with this comprehensive app. Track water quality, koi health, and expenses. Utilize AI-powered troubleshooting and photo analysis for expert guidance and early disease detection.

Daily pond loggingKoi profile managementExpense tracking

Pond Adventures and Fortunes

Collect coins to feed adorable Koi carps and watch them grow. Navigate obstacles, customize your pond, and unlock premium Koi varieties. A relaxing game of growth and collection.

Feed Koi carps coinsGrow and collect KoiAvoid obstacles

free with in-app purchases

FAQ about Koi Fish Breeding

What are the best koi fish breeding apps & games for iPhone?

Koi Farm tops our koi fish breeding apps & games ranking as of October 2026, with a 4.7-star average from 15 App Store ratings, and it's priced at $2.99.

Are there free koi fish breeding apps & games for iPhone?

Yes — 18 of the top koi fish breeding apps & games we rank are free to download, including Koi Pond: Relaxing Fish and Ornafish.

Does Koi Farm have ads or in-app purchases?

Koi Farm has no ads and has no in-app purchases, according to its App Store listing as of October 2026.

How many koi fish breeding apps & games are on the App Store?

We track 243+ koi fish breeding apps & games on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.