# Idle Koi Fish - Zen Pond fun — Play breed & merge simulator

> Relaxing idle game to discover, collect, and breed koi fish in a virtual pond. (iPhone/iPad app by VAAK SOLUTIONS AND SERVICES (OPC) PRIVATE LIMITED.)

- Source: https://appshunter.io/ios/app/idle-koi-fish-zen-pond-fun/id1468275146 (this page in markdown: same URL + `.md`)
- Developer: [VAAK SOLUTIONS AND SERVICES (OPC) PRIVATE LIMITED](https://appshunter.io/developer/1462618941)
- Category: Games, Entertainment, Casual, Simulation
- Price: Free
- Rating: 3.20/5 from 26 App Store ratings · 11 written reviews indexed
- Age rating: 12+
- Requires: iOS 13.0 · 67 MB
- Languages: American English
- Released: 2019-07-03
- Data updated: 2026-08-27
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/idle-koi-fish-zen-pond-fun/id1468275146/reviews.md

## What is Idle Koi Fish?

Welcome to the most relaxing zen like idle game : discover, collect and hatch beautiful koi fish to populate your pond !

* 20+ Koi Fish to breed Unlock
* Hundreds of levels to upgrade
*Relaxing stress free sound

Experience the most exciting Koi Fish idle game ! Are you ready to manage your pond and breed all the koi fish ?

Install now and relax in this chill and cute mobile/idle game !!!

## Key features

- 20+ Koi Fish to breed
- Hundreds of upgrade levels
- Relaxing, stress-free sound
- Pond management
- Koi fish collection

## Recent user reviews (10 of 11)

All indexed reviews: https://appshunter.io/ios/app/idle-koi-fish-zen-pond-fun/id1468275146/reviews.md

### 1/5 — Honestly sucks.

*2026-01-12*

It forces me to watch ads to collect my level up rewards. I can’t opt out of ads bc I get it either way. What a dirty trick to compel players to watch ads.

### 3/5 — Updates?

*2024-12-26*

It would be nice if this game were updated with some improvements over time. It’s fun. The ads are so horrible though, and so inappropriate! How do I complain about a game I saw in an ad? Couples 3D. So distasteful!

### 4/5 — Simple but fun.

*2024-07-21*

I love the app but can you install an update where you can pay a small fee and remove the ads?

### 1/5 — Too many ads

*2023-01-09*

Too many ads to be relaxing.

### 4/5 — Please add new fish!!

*2022-06-24*

I love the game so much and find it so fun to play, but it would be better if they added more levels and more fish!!

### 3/5 — Remove ads

*2022-02-05*

How do I remove Ads now that I like the game?

### 1/5 — Relax? Zen?

*2021-07-20*

Tell me what is relaxing about a bunch of robotic fish that bump into the edges of the "pond" while spewing out a bunch of numbers?

### 5/5 — Beautiful and free koi app

*2021-01-10*

My child loves this and it is free. Thank you so much. Namo Amituofo

### 5/5 — So fun/relaxing!!!

*2020-01-17*

Ok, this game is amazing. It’s super calming and it’s super fun. It has really good animations and there really aren’t that many ads, which is great! I am OBSESSED with this game. 

One idea—-
 
Update the game. More koi fish would be so AWESOME. ESPECIALLY IF THEY WERE THEMED OR SOMETHING. That would be SUPER COOL!!

Thanks so much for this amazing game!!

### 1/5 — Could be good but not

*2019-12-12*

There are so many long ads it’s not zen at all. You have to watch a game add for every level which is multiple times in only ten minutes. Could be zen but miserable instead.

## Frequently asked questions about Idle Koi Fish

### What is the main gameplay of Idle Koi Fish?

Idle Koi Fish is a relaxing idle game where you discover, collect, and breed beautiful koi fish to populate your virtual pond. You can progress through hundreds of levels to upgrade your pond and unlock new fish.

### How many types of koi fish can I collect in Idle Koi Fish?

You can discover and breed over 20 different types of koi fish in Idle Koi Fish to populate your pond.

### Does Idle Koi Fish have offline play?

The description does not specify if Idle Koi Fish supports offline play. As an idle game, it may function without a constant internet connection for core progression.

### What is the age rating for Idle Koi Fish?

Idle Koi Fish has an age rating of 12+, making it suitable for teenagers and older players.

### How often is Idle Koi Fish updated?

The latest version of Idle Koi Fish was released on April 28, 2025. The app is generally updated to introduce new content or fix bugs.

### Does Idle Koi Fish have ads?

Yes, Idle Koi Fish contains advertisements. This is indicated by the 'hasAds' flag being true.

### What devices can I play Idle Koi Fish on?

Idle Koi Fish is supported on iPhone, iPad, and iPod devices, indicating compatibility with Apple's iOS ecosystem.

### What is the user rating for Idle Koi Fish?

Idle Koi Fish has a rating of 3.3 stars based on 25 ratings. This suggests a mixed reception from its player base.

## Version history (last 5 releases)

### 1.0.4 — 2025-04-28

* Minor bugs fixed.

### 1.0.3 — 2024-10-04

* Minor bugs fixed.

### 1.0.2 — 2024-03-23

* Minor bugs fixed.

### 1.0.1 — 2024-03-13

* Minor bugs fixed.

### 1.0 — 2019-07-03

No release notes.

## Apps similar to Idle Koi Fish

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Fish Tycoon 2 Virtual Aquarium](https://appshunter.io/ios/app/fish-tycoon-2-virtual-aquarium/id1194725957) | 4.2 (3,819) | Free | Games |
| [Idle Fish 2: Fishing Tycoon](https://appshunter.io/ios/app/idle-fish-2-fishing-tycoon/id1534396279) | 4.8 (5,666) | Free | Games |
| [Tap Tap Fish - AbyssRium](https://appshunter.io/ios/app/tap-tap-fish-abyssrium/id1068366937) | 4.5 (24,167) | Free | Games |
| [Splash — Fish Aquarium](https://appshunter.io/ios/app/splash-fish-aquarium/id960080321) | 4.7 (6,328) | Free | Games |
| [Zen Koi Classic](https://appshunter.io/ios/app/zen-koi-classic/id896575207) | 4.7 (2,054) | Free | Games |
| [Zen Koi 2](https://appshunter.io/ios/app/zen-koi-2/id1280254438) | 4.8 (29,521) | Free | Games |

## More apps by VAAK SOLUTIONS AND SERVICES (OPC) PRIVATE LIMITED

- [Pin VS Color Hit 3D](https://appshunter.io/ios/app/pin-vs-color-hit-3d/id1462618942)
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- [Falling Ball Slope Run](https://appshunter.io/ios/app/falling-ball-slope-run/id1466761051)
- [Hexa : Block Triangle Puzzle](https://appshunter.io/ios/app/hexa-block-triangle-puzzle/id1470576979)
- [Flippy Snow Rider Race](https://appshunter.io/ios/app/flippy-snow-rider-race/id1475347415)

All apps by VAAK SOLUTIONS AND SERVICES (OPC) PRIVATE LIMITED: https://appshunter.io/developer/1462618941

## Related topics

[aquarium idle](https://appshunter.io/ios/topics/aquarium-idle) · [koi fish](https://appshunter.io/ios/topics/koi-fish) · [pocket pond 2](https://appshunter.io/ios/topics/pocket-pond-2) · [koi pond fish](https://appshunter.io/ios/topics/koi-pond-fish) · [vaak solutions and services](https://appshunter.io/ios/topics/vaak-solutions-and-services) · [hatch restore 3](https://appshunter.io/ios/topics/hatch-restore-3) · [pond pals](https://appshunter.io/ios/topics/pond-pals)

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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 2026-08-27.*