Best Koi Fish Breeding Apps & Games

245+ iOS apps & games curated and reviewed

4.3 avg rating

17 free apps & games

Updated October 2026

With an average user rating of 4.3★, the koi fish breeding category is one of the App Store's strongest. Browse all 245+ 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	4.6★ (14)	No	No	Sep 2026
2	KoiApp — Koi & Pond Tracker	Free	—	No	Yes	Sep 2026
3	Farming Koi	Free	—	No	No	Oct 2026
4	Koi Fish 2	Free	—	No	No	Aug 2026
5	Zen Koi Classic	Free	4.7★ (2.1K)	Yes	Yes	Oct 2026
6	Zen Koi Pro+	Free	4.8★ (4.9K)	No	No	Oct 2026
7	KoiControl - The Koi App	Free	4.7★ (10)	No	Yes	Sep 2026
8	Koi Expert	Free	—	—	No	Jul 2026

Top Picks for Koi Fish Breeding

#1

Koi Farm by Job Talle

A koi breeding game.

Editor's Choice

4.6(14 ratings)

$2.99

Koi Farm screenshot 1

Koi Farm screenshot 2

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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

KoiApp — Koi & Pond Tracker by Kai Bertelsen

Water tests, growth, KoiDoctor

Strong Contender

0.0(0 ratings)

FreeIn-App Purchases

KoiApp — Koi & Pond Tracker screenshot 1

KoiApp — Koi & Pond Tracker screenshot 2

KoiApp — Koi & Pond Tracker screenshot 3

KoiApp — Koi & Pond Tracker screenshot 4

KoiApp — Koi & Pond Tracker screenshot 5

KoiApp — Koi & Pond Tracker screenshot 6

#3

Farming Koi by ManChing Wu

Worth Considering

🎬 Entertainment

0.0(0 ratings)

Free

Farming Koi screenshot 1

Farming Koi screenshot 2

Farming Koi screenshot 3

Farming Koi screenshot 4

Farming Koi screenshot 5

More Koi Fish Breeding apps to explore

by Coremedia,inc.

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

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

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

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

by Nguyen Dinh Phat

🎬 Entertainment

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

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

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 CommentSold Apps SII

Discover and purchase live Japanese koi directly from Japan through live stream sales. Request specific varieties and see actual fish before buying. The app ensures safe, professional shipping across the United States.

Live stream koi salesRequest specific koi varietiesPurchase koi sourced from Japan

🛍️ Shopping

Your personal underwater oasis

Create and nurture your own virtual koi pond. Customize fish, environments, and watch them grow. This relaxing app offers a serene escape with beautiful graphics and calming sounds.

Customize fish scales and patternsManage multiple ponds and fishDecorate pond environment

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

Interact with digital koi by feeding them. Enjoy a simple, relaxing experience designed to be played with.

Feed digital koiInteract with koiRelaxing gameplay

🎬 Entertainment

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

Koi Garden : idle game

Koi Garden : idle game

Koi Garden : idle game

Raise & Sell your Koi Carp

Create a serene Japanese pond and raise a variety of koi carp in this relaxing idle game. Develop your garden, feed your fish, and unlock rare breeds to progress through different challenges.

Create Japanese pond environmentsRaise and collect koi carpDevelop and upgrade garden

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 4.6-star average from 14 App Store ratings, and it's priced at $2.99.

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

Yes — 17 of the top koi fish breeding apps & games we rank are free to download, including KoiApp — Koi & Pond Tracker and Farming Koi.

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