# COSEA vs Mora

The clearest difference is in-app purchases: COSEA at none against Mora's 3. COSEA also leads on iOS requirement (12.0 vs 15.1). Mora's advantage is update cadence (weekly vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Mora sells 3 in-app purchases, starting at $1.99 per 7 days. COSEA asks for nothing beyond the download.

COSEA ships an update every 5 weeks, Mora weekly. The most recent releases landed on August 14, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | COSEA | Mora |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cosea/id6503368314/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 206 MB | 52 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SPOTTERON Gmbh](https://appshunter.io/developer/1378099707) | [Philipp Eder](https://appshunter.io/developer/1850953566) |

## What reviewers say

### COSEA

[App page](https://appshunter.io/ios/app/cosea/id6503368314)

Document marine environments, coastal habitats, and species. Report on pollution, infrastructure, and the blue economy. Contribute data and photos to a collaborative map to help scientists understand marine factors and foster a healthy relationship between humans and the sea.

**Highlights:** Observe marine environments, Document coastal habitats and species, Report on pollution and infrastructure, Add photos and data to a collaborative map, Interact with the user community, Build an environment notebook

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

**In-app purchases:** none


### Mora

[App page](https://appshunter.io/ios/app/mora-language-flashcards-ai/id6754924868)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mora pro weekly subscription | $1.99 | per 7 days |
| Mora Pro Monthly Subscription | $3.99 | per month |
| Mora Pro yearly subscription | $29.99 | per year |


## Frequently asked questions

### Is COSEA free?

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

### Is Mora free?

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

### Do COSEA or Mora have ads?

Neither COSEA nor Mora shows ads.

### Which is updated more often, COSEA or Mora?

COSEA ships an update every 5 weeks, and Mora weekly. Most recently, COSEA was updated on August 14, 2026 and Mora on September 18, 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.*