# Fish Hunter vs Derin

The clearest difference is update cadence: Derin at fortnightly against Fish Hunter's every 48 months. Fish Hunter's advantage is iOS requirement (12.0 vs 15.0). On price, ads, 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.

Fish Hunter ships an update every 48 months, Derin fortnightly. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Fish Hunter | Derin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/fish-hunter/id1490926246/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 48 months | **Fortnightly** |
| Monetization | Ad-supported | — |
| Size | 96 MB | 16 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NoBrain Studio](https://appshunter.io/developer/1451233848) | [Kidvo](https://appshunter.io/developer/1639323475) |

## What reviewers say

### Fish Hunter

[App page](https://appshunter.io/ios/app/fish-hunter/id1490926246)

Control a small fish and grow by eating smaller fish while avoiding larger ones. Explore a beautiful, relaxing underwater world and collect bonuses to survive and achieve a high score. Complete all achievements to become the top player.

**Highlights:** Eat smaller fish to grow, Avoid larger fish, Collect bonuses like starfish and clams, Complete achievements, Relaxing underwater universe

**Features:** macOS Compatibility

**In-app purchases:** none


### Derin

[App page](https://appshunter.io/ios/app/derin-deep-dive/id6818666353)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fish Hunter free?

Fish Hunter is free to download, with no in-app purchases.

### Is Derin free?

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

### Do Fish Hunter or Derin have ads?

Both Fish Hunter and Derin show ads.

### Which is updated more often, Fish Hunter or Derin?

Fish Hunter ships an update every 48 months, and Derin fortnightly. Most recently, Fish Hunter was updated on November 3, 2026 and Derin on November 6, 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.*