# Fish Merge Master vs Derpy Cat

The clearest difference is in-app purchases: Derpy Cat at none against Fish Merge Master's 7. Derpy Cat also leads on update cadence (every 4 days vs fortnightly). Fish Merge Master's advantage is iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Fish Merge Master sells 7 one-off in-app purchases. Derpy Cat asks for nothing beyond the download.

Fish Merge Master ships an update fortnightly, Derpy Cat every 4 days. The most recent releases landed on November 4, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Fish Merge Master | Derpy Cat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (8 ratings)](https://appshunter.io/ios/app/fish-merge-master-ball-drop/id6474503491/reviews)** | — |
| Number of ratings | **8** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 180 MB | 38 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SevenSwords](https://appshunter.io/developer/1721795728) | [Lucas Moeller](https://appshunter.io/developer/1857074865) |

## What reviewers say

### Fish Merge Master

[App page](https://appshunter.io/ios/app/fish-merge-master-ball-drop/id6474503491)

Merge balls strategically to unlock their potential and progress through challenging levels. Discover power-ups to create massive combos and overcome obstacles in a captivating multiverse adventure.

**Highlights:** Strategic ball merging, Unlock ball potential, Progress through levels, Discover power-ups, Multiverse exploration, Addictive gameplay

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1000 Gem | $0.99 | one-time |
| Remove Ads | $2.99 | one-time |
| 3000 Gem | $2.99 | one-time |
| 5000 Gem | $4.99 | one-time |
| 11000 Gem | $9.99 | one-time |
| 25000 Gem | $19.99 | one-time |
| 50000 Gem | $29.99 | one-time |


### Derpy Cat

[App page](https://appshunter.io/ios/app/derpy-cat/id6760553903)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fish Merge Master free?

Fish Merge Master is free to download, with in-app purchases available.

### Is Derpy Cat free?

Derpy Cat is free to download, with no in-app purchases.

### Do Fish Merge Master or Derpy Cat have ads?

Both Fish Merge Master and Derpy Cat show ads.

### Which is updated more often, Fish Merge Master or Derpy Cat?

Fish Merge Master ships an update fortnightly, and Derpy Cat every 4 days. Most recently, Fish Merge Master was updated on November 4, 2026 and Derpy Cat on November 9, 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.*