# Coelacanth and ancient fish vs Medaka Breeder

The clearest difference is rating: Medaka Breeder at 4.6 against Coelacanth and ancient fish's 3.7. Medaka Breeder also leads on ads (none vs shown) and update cadence (every 5 days vs every 5 weeks). Coelacanth and ancient fish's advantage is monetization model (ad-supported vs free with in-app purchases). On price, ratings volume, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Medaka Breeder holds the better App Store score, 4.6 against 3.7. Both are backed by a comparable volume of ratings — 7 and 17 respectively. Written reviews point the same way: 50% of Coelacanth and ancient fish's written reviews are positive against 67% of Medaka Breeder's.

Coelacanth and ancient fish ships an update every 5 weeks, Medaka Breeder every 5 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Coelacanth and ancient fish | Medaka Breeder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (7 ratings)](https://appshunter.io/ios/app/coelacanth-and-ancient-fish/id1574487489/reviews) | **[4.6 (17 ratings)](https://appshunter.io/ios/app/medaka-breeder/id6453882680/reviews)** |
| Number of ratings | 7 | **17** |
| Positive reviews | 50.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 108 MB | 91 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yamabus](https://appshunter.io/developer/923714578) | [Taiho Yanase](https://appshunter.io/developer/1699588464) |

## What reviewers say

### Coelacanth and ancient fish

[App page](https://appshunter.io/ios/app/coelacanth-and-ancient-fish/id1574487489)

Customize coelacanth colors and feed them to earn points. Excavate fossils for bonuses and purchase new backgrounds and creatures. Experience AR to bring the ancient world into your room.

**Highlights:** Color customization for coelacanth, Dynamic predation for points, Fossil excavation with bonus multipliers, Purchase background images and creatures, AR function for recreating ancient worlds

**Features:** macOS Compatibility

**In-app purchases:** none


### Medaka Breeder

[App page](https://appshunter.io/ios/app/medaka-breeder/id6453882680)

Experience realistic fish keeping by feeding and cleaning your virtual fish. Watch them grow, breed, and inherit traits from their parents. Customize aquariums and collect various fish species.

**Highlights:** Realistic killifish keeping simulation, Breed fish and inherit traits, Customize aquariums with decorations, Collect over 46 types of killifish, Missions and rewards system, Observation and shooting modes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Coelacanth and ancient fish free?

Coelacanth and ancient fish is free to download, with no in-app purchases.

### Is Medaka Breeder free?

Medaka Breeder is free to download, with no in-app purchases.

### Which has better reviews, Coelacanth and ancient fish or Medaka Breeder?

Medaka Breeder is rated higher. Coelacanth and ancient fish averages 3.7 out of 5 from 7 ratings, while Medaka Breeder averages 4.6 from 17 ratings.

### Do Coelacanth and ancient fish or Medaka Breeder have ads?

Coelacanth and ancient fish shows ads; Medaka Breeder does not.

### Which is updated more often, Coelacanth and ancient fish or Medaka Breeder?

Coelacanth and ancient fish ships an update every 5 weeks, and Medaka Breeder every 5 days. Most recently, Coelacanth and ancient fish was updated on October 24, 2026 and Medaka Breeder on October 24, 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.*