# My Koi vs AQUALIA

The clearest difference is price: AQUALIA at Free against My Koi's $2.99. AQUALIA also leads on update cadence (monthly vs every 3 months) and ratings volume (1K vs 218). My Koi's advantage is in-app purchases (none vs 10) and ads (none vs shown). On rating and device support there is nothing between them.

AQUALIA is free to download; My Koi costs $2.99 up front. AQUALIA sells 10 one-off in-app purchases. My Koi asks for nothing beyond the download.

My Koi holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 218 and 1K respectively. Written reviews point the same way: 95% of My Koi's written reviews are positive against 69% of AQUALIA's.

My Koi ships an update every 3 months, AQUALIA monthly. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | My Koi | AQUALIA |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.9 (218 ratings)](https://appshunter.io/ios/app/my-koi/id1086523345/reviews)** | [4.7 (1K ratings)](https://appshunter.io/ios/app/aqualia/id6480156214/reviews) |
| Number of ratings | 218 | **1K** |
| Positive reviews | **95.3% of reviews** | 68.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#103** | — |
| Size | 142 MB | 224 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) | [Ligensoft](https://appshunter.io/developer/537512778) |

## What reviewers say

### My Koi

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

**Currently charting:** #103 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


### AQUALIA

[App page](https://appshunter.io/ios/app/aqualia/id6480156214)

Design and manage your dream aquarium, raising over 180 types of tropical fish. Decorate your tank with hundreds of items, feed your fish, and keep it clean for their steady growth. Enjoy mini-games to earn rewards and unlock new content.

**Highlights:** Raise 180+ fish types, Decorate with 280+ items, Fish feeding and tank cleaning, Level up fish for upgrades, Play integrated mini-games, Earn rare fish and decorations

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 600,000 Hearts | $1.99 | one-time |
| Green field Decoration Set | $1.99 | one-time |
| Water Puppy Flowerhorn | $2.99 | one-time |
| Beautiful Betta Fishes Package | $3.99 | one-time |
| Koi Fish Package | $4.99 | one-time |
| 1,500,000 Hearts | $4.99 | one-time |
| 2,400,000 Hearts | $6.99 | one-time |
| Dreamland Turtle Aquarium | $9.99 | one-time |
| Mystical Arowana Aquarium Set | $12.99 | one-time |
| Waddling Ranchu Aquarium Set | $14.99 | one-time |

**What reviewers like**

- 🎨 Beautiful graphics
- 🎶 Relaxing music
- 🔍 Detailed fish information
- 🎮 Fun mini-games
- 📺 No intrusive ads

**What reviewers complain about**

- 🤖 AI-generated art
- 🔍 Unclear game mechanics
- 🧭 Limited camera controls
- 🐟 Mixing of freshwater and saltwater fish
- 🔁 Repetitive tasks

**Reported bugs**

- Flashing logo causing seizure concerns
- Slow server load times
- Progress not saving properly
- Inconsistent hitboxes in mini-games

**Requested features**

- Ability to sell or remove fish from main tank
- Automatic fish growth and tank maintenance
- Separate tanks for freshwater and saltwater fish
- More mini-game options
- Ability to name and level up fish


## Frequently asked questions

### Is My Koi free?

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

### Is AQUALIA free?

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

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

My Koi is rated higher. My Koi averages 4.9 out of 5 from 218 ratings, while AQUALIA averages 4.7 from 1K ratings.

### Do My Koi or AQUALIA have ads?

AQUALIA shows ads; My Koi does not.

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

My Koi ships an update every 3 months, and AQUALIA monthly. Most recently, My Koi was updated on November 6, 2026 and AQUALIA on November 4, 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.*