# W2O vs FathomVerse

The clearest difference is update cadence: FathomVerse at every 6 weeks against W2O's every 24 months. FathomVerse also leads on ratings volume (88 vs 3). W2O's advantage is rating (5.0 vs 4.6) and review sentiment (100% vs 86%). On price, ads, in-app purchases and monetization model there is nothing between them.

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

W2O holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: FathomVerse has 88 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 100% of W2O's written reviews are positive against 86% of FathomVerse's.

W2O ships an update every 24 months, FathomVerse every 6 weeks. The most recent releases landed on September 20, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | W2O | FathomVerse |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/w2o/id1556719456/reviews)** | [4.6 (88 ratings)](https://appshunter.io/ios/app/fathomverse/id6469854247/reviews) |
| Number of ratings | 3 | **88** |
| Positive reviews | **100.0% of reviews** | 85.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 8 MB | 284 MB |
| Requires iOS | **14.1** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bjorn Grigholm](https://appshunter.io/developer/1556719458) | [Monterey Bay Aquarium Research Institute](https://appshunter.io/developer/997448509) |

## What reviewers say

### W2O

[App page](https://appshunter.io/ios/app/w2o/id1556719456)

Access a wealth of ocean-related content, including weekly radio episodes, blog posts on policy and action, and a digital magazine exploring ocean culture and solutions. Stay informed about initiatives and join a global community dedicated to ocean health and sustainability.

**Highlights:** Weekly radio episodes on ocean issues, Blog on ocean policy and action, Digital magazine on ocean culture, Monthly newsletter updates, Global community for ocean conservation

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is W2O free?

W2O is free to download, with no in-app purchases.

### Is FathomVerse free?

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

### Which has better reviews, W2O or FathomVerse?

W2O is rated higher. W2O averages 5.0 out of 5 from 3 ratings, while FathomVerse averages 4.6 from 88 ratings.

### Do W2O or FathomVerse have ads?

Neither W2O nor FathomVerse shows ads.

### Which is updated more often, W2O or FathomVerse?

W2O ships an update every 24 months, and FathomVerse every 6 weeks. Most recently, W2O was updated on September 20, 2026 and FathomVerse on October 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.*