# Sea Level Check vs FathomVerse

The clearest difference is rating: FathomVerse at 4.7 against Sea Level Check's 4.0. FathomVerse also leads on review sentiment (86% vs 50%) and update cadence (every 6 weeks vs every 9 months). Sea Level Check's advantage is iOS requirement (12.1 vs 15.0). 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.

FathomVerse holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: FathomVerse has 92 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 50% of Sea Level Check's written reviews are positive against 86% of FathomVerse's.

Sea Level Check ships an update every 9 months, FathomVerse every 6 weeks. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sea Level Check | FathomVerse |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (8 ratings)](https://appshunter.io/ios/app/sea-level-check/id1460424965/reviews) | **[4.7 (92 ratings)](https://appshunter.io/ios/app/fathomverse/id6469854247/reviews)** |
| Number of ratings | 8 | **92** |
| Positive reviews | 50.0% of reviews | **85.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 58 MB | 284 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Heiko Sacher](https://appshunter.io/developer/1460424964) | [Monterey Bay Aquarium Research Institute](https://appshunter.io/developer/997448509) |

## What reviewers say

### Sea Level Check

[App page](https://appshunter.io/ios/app/sea-level-check/id1460424965)

Visualize future sea level rise in coastal areas of the United States using augmented reality. See how your favorite beaches or communities might be impacted and share videos of the projected changes. Explore potential sea level impacts with data from NOAA and USGS.

**Highlights:** Augmented reality sea level visualization, Projected sea level rise in US coastal areas, Capture and share videos of AR simulations, Real-time tide and elevation data integration, Explore alternative destinations, Based on US Global Change Research Program data

**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 Sea Level Check free?

Sea Level Check 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, Sea Level Check or FathomVerse?

FathomVerse is rated higher. Sea Level Check averages 4.0 out of 5 from 8 ratings, while FathomVerse averages 4.7 from 92 ratings.

### Do Sea Level Check or FathomVerse have ads?

Neither Sea Level Check nor FathomVerse shows ads.

### Which is updated more often, Sea Level Check or FathomVerse?

Sea Level Check ships an update every 9 months, and FathomVerse every 6 weeks. Most recently, Sea Level Check was updated on October 7, 2026 and FathomVerse on October 24, 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.*