# FathomVerse vs Knowli Learning

The clearest difference is in-app purchases: FathomVerse at none against Knowli Learning's 3. FathomVerse also leads on iOS requirement (15.0 vs 26.0). Knowli Learning's advantage is update cadence (every 3 days vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Knowli Learning sells 3 one-off in-app purchases. FathomVerse asks for nothing beyond the download.

FathomVerse ships an update every 6 weeks, Knowli Learning every 3 days. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | FathomVerse | Knowli Learning |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (88 ratings)](https://appshunter.io/ios/app/fathomverse/id6469854247/reviews)** | — |
| Number of ratings | **88** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Monetization | Free | — |
| Size | 284 MB | 3 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Monterey Bay Aquarium Research Institute](https://appshunter.io/developer/997448509) | [Elias Frehner](https://appshunter.io/developer/1886267289) |

## 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


### Knowli Learning

[App page](https://appshunter.io/ios/app/knowli-learning/id6762083611)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Knowli Credits | $0.99 | one-time |
| 50 Knowli Credits | $4.99 | one-time |
| 150 Knowli Credits | $14.99 | one-time |


## Frequently asked questions

### Is FathomVerse free?

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

### Is Knowli Learning free?

Knowli Learning is free to download, with in-app purchases available.

### Do FathomVerse or Knowli Learning have ads?

Neither FathomVerse nor Knowli Learning shows ads.

### Which is updated more often, FathomVerse or Knowli Learning?

FathomVerse ships an update every 6 weeks, and Knowli Learning every 3 days. Most recently, FathomVerse was updated on October 9, 2026 and Knowli Learning on October 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.*