# FathomVerse vs Marine Debris Detect

The clearest difference is update cadence: Marine Debris Detect at every 2 weeks against FathomVerse's every 6 weeks. Marine Debris Detect also leads on iOS requirement (13.0 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.

FathomVerse ships an update every 6 weeks, Marine Debris Detect every 2 weeks. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | FathomVerse | Marine Debris Detect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (92 ratings)](https://appshunter.io/ios/app/fathomverse/id6469854247/reviews)** | — |
| Number of ratings | **92** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 284 MB | 19 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Monterey Bay Aquarium Research Institute](https://appshunter.io/developer/997448509) | [Projit Chatterjee](https://appshunter.io/developer/1852543083) |

## What reviewers say

### FathomVerse

[App page](https://appshunter.io/ios/app/fathomverse/id6469854247)

Explore the ocean world through an immersive game that trains AI for scientific research. Discover and identify over 50 groups of ocean animals using real imagery collected by researchers. Contribute to science while playing minigames, completing quests, and earning badges.

**Highlights:** Play minigames with real ocean imagery, Identify over 50 groups of ocean animals, Save and share favorite images, Participate in quests and earn badges, Unlock awards for gameplay contributions, Customize soundscape with Ocean Radio

**In-app purchases:** none

**What reviewers like**

- 🌊 Relaxing and peaceful experience
- 🔍 Opportunity to contribute to ocean research
- 🌟 Stunning visuals and immersive environment
- 🧠 Educational content on marine life
- 🤝 Responsive and helpful development team

**What reviewers complain about**

- 🐛 Buggy and inconsistent user interface
- 🤔 Unclear instructions and onboarding process
- ⏱️ Slow and tedious core gameplay loop
- 🔍 Lack of ability to re-examine animal images
- 🧭 Inconsistent controls between different sections


### Marine Debris Detect

[App page](https://appshunter.io/ios/app/marine-debris-detect/id6755199059)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FathomVerse free?

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

### Is Marine Debris Detect free?

Marine Debris Detect is free to download, with no in-app purchases.

### Do FathomVerse or Marine Debris Detect have ads?

Neither FathomVerse nor Marine Debris Detect shows ads.

### Which is updated more often, FathomVerse or Marine Debris Detect?

FathomVerse ships an update every 6 weeks, and Marine Debris Detect every 2 weeks. Most recently, FathomVerse was updated on November 3, 2026 and Marine Debris Detect 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.*