# My Koi vs Koitopia

The clearest difference is review sentiment: My Koi at 95% against Koitopia's 47%. My Koi also leads on rating (4.9 vs 2.1) and in-app purchases (none vs 5). Koitopia's advantage is price (Free vs $2.99) and update cadence (every 5 weeks vs every 3 months). On ads and device support there is nothing between them.

Koitopia is free to download; My Koi costs $2.99 up front. Koitopia sells 5 one-off in-app purchases. My Koi asks for nothing beyond the download.

My Koi holds the better App Store score, 4.9 against 2.1. That said, the two scores are not equally well evidenced: My Koi has 218 ratings behind it against 16, so its average is the more settled of the two. Written reviews point the same way: 95% of My Koi's written reviews are positive against 47% of Koitopia's.

My Koi ships an update every 3 months, Koitopia every 5 weeks. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | My Koi | Koitopia |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.9 (218 ratings)](https://appshunter.io/ios/app/my-koi/id1086523345/reviews)** | [2.1 (16 ratings)](https://appshunter.io/ios/app/koitopia/id6474526850/reviews) |
| Number of ratings | **218** | 16 |
| Positive reviews | **95.3% of reviews** | 47.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 142 MB | 352 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sakana Studios](https://appshunter.io/developer/1086523344) | [Homeworx Consulting Pty Ltd](https://appshunter.io/developer/1721842903) |

## What reviewers say

### My Koi

[App page](https://appshunter.io/ios/app/my-koi/id1086523345)

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.

**Highlights:** Customize fish scales and patterns, Manage multiple ponds and fish, Decorate pond environment, Unlock new fish varieties, Track fish growth and happiness, Experience changing time of day, Enjoy ambient soundscapes

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🌟 Stunning graphics and realistic fish animations
- 🕹️ Intuitive and easy-to-use interface
- 🕰️ Relaxing ambient sounds and weather effects
- 🐟 Satisfying fish growth and customization
- 💰 Fair pricing with no in-app purchases

**What reviewers complain about**

- 🔋 Battery drain issues on some devices
- 🐛 Occasional freezing or crashing during fish creation
- 🔍 Limited customization options for the pond environment

**Reported bugs**

- Fish getting stuck or unable to move
- Inconsistent fish growth rates or weight issues

**Requested features**

- Breeding and baby fish mechanics
- Ability to move fish between ponds
- More diverse fish species (e.g., goldfish, butterfly koi)
- Expanded pond decoration options (waterfalls, structures, etc.)
- Multiplayer or social features to share ponds


### Koitopia

[App page](https://appshunter.io/ios/app/koitopia/id6474526850)

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.

**Highlights:** Koi breeding mechanics, Pond customization, Daily quests and puzzles, Event-based challenges, Mini-games (Feed the Fish, Catch the Food), Ornamental Pond showcase

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Water Koi Fortune Pack | $0.99 | one-time |
| Koi Spring Bundle | $4.99 | one-time |
| Koi Ripples Cache | $9.99 | one-time |
| Koi Tranquility Collection | $24.99 | one-time |
| Koi Floating World Trove | $79.99 | one-time |


## Frequently asked questions

### Is My Koi free?

My Koi costs $2.99, with no in-app purchases.

### Is Koitopia free?

Koitopia is free to download, with in-app purchases available.

### Which has better reviews, My Koi or Koitopia?

My Koi is rated higher. My Koi averages 4.9 out of 5 from 218 ratings, while Koitopia averages 2.1 from 16 ratings.

### Do My Koi or Koitopia have ads?

Neither My Koi nor Koitopia shows ads.

### Which is updated more often, My Koi or Koitopia?

My Koi ships an update every 3 months, and Koitopia every 5 weeks. Most recently, My Koi was updated on September 23, 2026 and Koitopia on September 20, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*