# Seafoodopedia vs Ferment

The clearest difference is in-app purchases: Seafoodopedia at none against Ferment's 2. Seafoodopedia also leads on ads (none vs shown) and iOS requirement (12.0 vs 17.0). Ferment's advantage is update cadence (every 6 weeks vs every 6 months). On price and device support there is nothing between them.

Both are free to download. Ferment sells 2 in-app purchases, starting at $7.99 per month. Seafoodopedia asks for nothing beyond the download.

Seafoodopedia ships an update every 6 months, Ferment every 6 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Seafoodopedia | Ferment |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (12 ratings)](https://appshunter.io/ios/app/seafoodopedia/id1183782119/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 140 MB | 34 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Christina Bischofberger](https://appshunter.io/developer/1183782118) | [Rytis U](https://appshunter.io/developer/1890914933) |

## What reviewers say

### Seafoodopedia

[App page](https://appshunter.io/ios/app/seafoodopedia/id1183782119)

This comprehensive guide identifies edible aquatic organisms, offering detailed information on species found in oceans, seas, and freshwater. It provides names in multiple languages, illustrations, and links to Wikipedia for further learning. Users can also add personal notes and photos.

**Highlights:** Edible aquatic organism identification, Multilingual species names, Illustrations for each species, Wikipedia links for entries, User notes and photo addition, Suitable for all ages

**Features:** macOS Compatibility

**In-app purchases:** none


### Ferment

[App page](https://appshunter.io/ios/app/ferment-fermentation-tracker/id6761690636)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ferment Premium | $7.99 | per month |
| Ferment Premium | $49.99 | per year |


## Frequently asked questions

### Is Seafoodopedia free?

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

### Is Ferment free?

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

### Do Seafoodopedia or Ferment have ads?

Ferment shows ads; Seafoodopedia does not.

### Which is updated more often, Seafoodopedia or Ferment?

Seafoodopedia ships an update every 6 months, and Ferment every 6 weeks. Most recently, Seafoodopedia was updated on October 24, 2026 and Ferment on October 25, 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.*