# My Koi vs スキモン

The clearest difference is price: スキモン at Free against My Koi's $2.99. スキモン also leads on update cadence (every 3 days vs every 3 months). My Koi's advantage is ads (none vs shown) and chart position (#195 vs unranked). On in-app purchases, device support and iOS requirement there is nothing between them.

スキモン is free to download; My Koi costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

My Koi ships an update every 3 months, スキモン every 3 days. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | My Koi | スキモン |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.9 (218 ratings)](https://appshunter.io/ios/app/my-koi/id1086523345/reviews)** | — |
| Number of ratings | **218** | — |
| Positive reviews | 95.3% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | Paid | — |
| Best chart rank | **#195** | — |
| Size | 142 MB | 79 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Sakana Studios](https://appshunter.io/developer/1086523344) | [Chihiro Mifune](https://appshunter.io/developer/1895444970) |

## What reviewers say

### My Koi

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

**Currently charting:** #195 Top Paid · Family (US App Store)

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


### スキモン

[App page](https://appshunter.io/ios/app/1000/id6776277478)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is My Koi free?

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

### Is スキモン free?

スキモン is free to download, with no in-app purchases.

### Do My Koi or スキモン have ads?

スキモン shows ads; My Koi does not.

### Which is updated more often, My Koi or スキモン?

My Koi ships an update every 3 months, and スキモン every 3 days. Most recently, My Koi was updated on October 29, 2026 and スキモン on October 28, 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.*