Best Koi-Koi Game

235+ iOS apps & games curated and reviewed

4.5 avg rating
15 free apps & games
Updated September 2026

With an average user rating of 4.5โ˜…, the koi-koi game category is one of the App Store's strongest. Browse all 235+ apps and games we track, sorted so the most loved ones surface first.

Compare top Koi-Koi Game (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Zen Koi ClassicZen Koi ClassicFree4.7โ˜… (2.1K)YesYesNov 2026
2Zen Koi Pro+Zen Koi Pro+Free4.8โ˜… (5K)NoNoNov 2026
3Zen Koi 2Zen Koi 2Free4.8โ˜… (30K)YesYesNov 2026
4Kiki's Koi-KoiKiki's Koi-Koi$1.994.3โ˜… (120)NoNoOct 2026
5Hanafuda๏ฝฅKoi KoiHanafuda๏ฝฅKoi KoiFree4.6โ˜… (559)YesYesNov 2026
6Wake - Koi Fish GameWake - Koi Fish GameFree5.0โ˜… (1)NoNoOct 2026
7Koi FarmKoi Farm$2.994.7โ˜… (15)NoNoOct 2026
8Koi Mahjong: Solitaire GameKoi Mahjong: Solitaire GameFree4.9โ˜… (12K)YesYesNov 2026

Top Picks for Koi-Koi Game

Zen Koi Classic#1

Zen Koi Classic by LandShark Games Pte. Ltd.

Relax, Breed & Collect Koi
Editor's Choice
๐ŸŽฎ Games
4.7๐Ÿ˜Š(2.1K ratings)
FreeAdsIn-App Purchases
Zen Koi Classic screenshot 1
Zen Koi Classic screenshot 2
Zen Koi Classic screenshot 3
Zen Koi Classic screenshot 4
Zen Koi Classic screenshot 5

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.

What We Love

  • ๐ŸŒŠ Relaxing and calming gameplay
  • ๐ŸŽจ Beautiful and intricate koi designs
  • ๐Ÿ‰ Enjoyment of breeding and evolving koi into dragons
  • ๐Ÿ•ฐ๏ธ Great way to pass time and de-stress
  • ๐ŸŽถ Soothing and pleasant background music

Room to Improve

  • ๐Ÿ’ฐ Difficulty earning pearls without in-app purchases
  • ๐Ÿ”’ Limited number of koi/egg slots without spending pearls
  • ๐Ÿ› Occasional crashes and bugs after updates
  • ๐Ÿ†• Concerns about losing progress after updates
  • ๐Ÿ“บ Disruptive full-screen ads
Zen Koi Pro+#2

Zen Koi Pro+ by LandShark Games Pte. Ltd.

Ad-free koi breeding & relax
Strong Contender
๐ŸŽฎ Games
4.8๐Ÿ˜Š(5K ratings)
Free
Zen Koi Pro+ screenshot 1
Zen Koi Pro+ screenshot 2
Zen Koi Pro+ screenshot 3
Zen Koi Pro+ screenshot 4
Zen Koi Pro+ screenshot 5
Zen Koi Pro+ screenshot 6

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.

What We Love

  • ๐Ÿ’ค Relaxing and calming experience
  • ๐ŸŽจ Beautiful artwork and visuals
  • ๐ŸŽถ Soothing music
  • ๐Ÿ•น๏ธ Fun and engaging gameplay
  • ๐Ÿ”“ No ads or in-app purchases

Room to Improve

  • ๐Ÿ” Repetitive and can become boring over time
  • ๐Ÿ—‚๏ธ Lack of organization for koi collection
  • ๐Ÿ‰ Limited use for dragons after unlocking them
  • ๐Ÿ•น๏ธ Clunky or unresponsive controls at times
Zen Koi 2#3

Zen Koi 2 by LandShark Games Pte. Ltd.

Ascend your Koi into a Dragon
Worth Considering
๐ŸŽฎ Games
4.8๐Ÿ˜Š(30K ratings)
FreeAdsIn-App Purchases
Zen Koi 2 screenshot 1
Zen Koi 2 screenshot 2
Zen Koi 2 screenshot 3
Zen Koi 2 screenshot 4
Zen Koi 2 screenshot 5
Zen Koi 2 screenshot 6

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.

What We Love

  • ๐ŸŒŠ Relaxing and calming game
  • ๐Ÿ‰ Ability to play as dragons
  • ๐ŸŽจ Beautiful graphics and animations
  • ๐ŸŽถ Soothing music
  • ๐Ÿ”“ No intrusive ads
  • ๐Ÿค Ability to gift koi to friends

Room to Improve

  • ๐Ÿ•ฐ๏ธ Slow progression and high costs for new koi slots
  • ๐ŸŸ Repetitive prey-catching gameplay
  • ๐Ÿ”Œ Connectivity issues and loading problems
  • ๐Ÿค– Unsatisfying dragon gameplay

More Koi-Koi Game apps to explore

FAQ about Koi-Koi Game

What is the best koi-koi game for iPhone?
Zen Koi Classic tops our koi-koi game ranking as of September 2026, with a 4.7-star average from 2.1K App Store ratings, and it's free to download.
Yes โ€” 15 of the top koi-koi game we rank are free to download, including Zen Koi Classic and Zen Koi Pro+.
Zen Koi Classic shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 235+ koi-koi game on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.