# Fish Fingers! 3D Interactive Aquarium vs Rivers 4K

The clearest difference is in-app purchases: Fish Fingers! 3D Interactive Aquarium at none against Rivers 4K's 2. Fish Fingers! 3D Interactive Aquarium also leads on iOS requirement (4.3 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Fish Fingers! 3D Interactive Aquarium costs $0.99 and Rivers 4K $0.99 up front. Rivers 4K sells 2 in-app purchases, starting at $0.99 per month. Fish Fingers! 3D Interactive Aquarium asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Fish Fingers! 3D Interactive Aquarium | Rivers 4K |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | **[3.4 (29 ratings)](https://appshunter.io/ios/app/fish-fingers-3d-interactive-aquarium/id348124237/reviews)** | — |
| Number of ratings | **29** | — |
| Positive reviews | 57.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | — |
| Size | 15 MB | 60 MB |
| Requires iOS | **4.3** | 15.0 |
| Devices | iPhone, iPad, iPod, Apple TV | iPhone, iPad, iPod, Apple TV |
| Age rating | 4+ | 4+ |
| Developer | [Useless Creations Pty Ltd](https://appshunter.io/developer/290021485) | [KISSAPP, S.L.](https://appshunter.io/developer/552812711) |

## What reviewers say

### Fish Fingers! 3D Interactive Aquarium

[App page](https://appshunter.io/ios/app/fish-fingers-3d-interactive-aquarium/id348124237)

Experience a vibrant, interactive 3D aquarium on your device. Watch realistic fish swim, interact with them by touching the screen, and even download new species. Personalize your aquarium with custom backgrounds from your photo library.

**Highlights:** Real 3D fish that swim in all directions, Download new fish species, Interact with fish by touching the screen, Feed fish to make them grow, Use any image as a custom aquarium background, Tilt device to simulate water movement

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Realistic and relaxing
- 👍 Fun and entertaining
- 👍 Great for kids
- 👍 Customizable background
- 👍 Variety of fish

**What reviewers complain about**

- 🐛 Crashes and bugs
- 🐛 Unresponsive menus
- 🐛 Fish don't behave realistically
- 🐛 Ads in paid version
- 🐛 Compatibility issues with newer devices

**Reported bugs**

- Stuck on download screen
- Fish disappearing or merging together
- Text overlay that cannot be removed
- Orientation issues on iPad
- Frequent crashes

**Requested features**

- More fish options to download
- Add sound effects and water movement
- Allow fish to swim around device icons
- Ability to remove unwanted fish
- Option to set as device wallpaper


### Rivers 4K

[App page](https://appshunter.io/ios/app/rivers-4k/id6472048082)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rivers Full Version | $0.99 | per month |
| Rivers Full Version | $8.99 | per year |


## Frequently asked questions

### Is Fish Fingers! 3D Interactive Aquarium free?

Fish Fingers! 3D Interactive Aquarium costs $0.99, with no in-app purchases.

### Is Rivers 4K free?

Rivers 4K costs $0.99, and also offers in-app purchases.

### Do Fish Fingers! 3D Interactive Aquarium or Rivers 4K have ads?

Neither Fish Fingers! 3D Interactive Aquarium nor Rivers 4K shows ads.

### Which is updated more often, Fish Fingers! 3D Interactive Aquarium or Rivers 4K?

Fish Fingers! 3D Interactive Aquarium ships an update every 3 months, and Rivers 4K every 3 months. Most recently, Fish Fingers! 3D Interactive Aquarium was updated on November 1, 2026 and Rivers 4K 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.*