# SeaKey vs VLeBooks

The clearest difference is update cadence: VLeBooks at every 5 weeks against SeaKey's every 8 months. SeaKey's advantage is iOS requirement (13.0 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.

SeaKey ships an update every 8 months, VLeBooks every 5 weeks. The most recent releases landed on October 15, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SeaKey | VLeBooks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/seakey/id6448617545/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 87 MB | 61 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Code for Nature](https://appshunter.io/developer/1829374322) | [The Little Group Ltd](https://appshunter.io/developer/560464238) |

## What reviewers say

### SeaKey

[App page](https://appshunter.io/ios/app/seakey/id6448617545)

This toolbox helps identify seaweeds found in the German North Sea. It features an interactive key for species identification and detailed taxon profiles for verification. A glossary is also included to explain scientific terms.

**Highlights:** Interactive Identification Key, Species identification, Taxon Profiles, Glossary of scientific terms, German North Sea focus

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

**In-app purchases:** none


### VLeBooks

[App page](https://appshunter.io/ios/app/vlebooks/id6741421657)

Access eBooks from your institution or personal library. Browse, borrow, and download titles for offline reading and study. Enjoy a seamless digital library experience on your device.

**Highlights:** Institutional eBook access, Personal collection management, Browse and borrow titles, Download for offline reading, Seamless device access

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

**In-app purchases:** none


## Frequently asked questions

### Is SeaKey free?

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

### Is VLeBooks free?

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

### Do SeaKey or VLeBooks have ads?

Neither SeaKey nor VLeBooks shows ads.

### Which is updated more often, SeaKey or VLeBooks?

SeaKey ships an update every 8 months, and VLeBooks every 5 weeks. Most recently, SeaKey was updated on October 15, 2026 and VLeBooks on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*