# Harbour Guide vs Shelf

The clearest difference is update cadence: Shelf at every 5 weeks against Harbour Guide's every 6 months. Harbour Guide's advantage is monetization model (free vs ad-supported). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Harbour Guide ships an update every 6 months, Shelf every 5 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Harbour Guide | Shelf |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (7 ratings)](https://appshunter.io/ios/app/shelf/id1620828408/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 39 MB | 40 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Laeremiddelforlaget-Skagerrak Forlag AS](https://appshunter.io/developer/442920067) | [Beat Technology AS](https://appshunter.io/developer/433400941) |

## What reviewers say

### Harbour Guide

[App page](https://appshunter.io/ios/app/harbour-guide/id1230355564)

Access detailed information for over 5000 harbors across Northern Europe and the Mediterranean. Features include up-to-date data, advanced search, photos, charts, and recommended approaches. This planning tool is designed by experienced sailors for sailors.

**Highlights:** 5000+ harbor listings, Up-to-date harbor information, Advanced search functions, Harbor photos and charts, Recommended approach guidance, Facility search, Automatic language translation

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

**In-app purchases:** none


### Shelf

[App page](https://appshunter.io/ios/app/shelf/id1620828408)

Access your personal library of purchased audiobooks and e-books. Read or listen anywhere, anytime, with or without an internet connection. Enjoy your collection without subscriptions or time limits.

**Highlights:** Access purchased audiobooks and e-books, Read or listen offline, No subscriptions or time limits, Bookmark and comment, Customize reading experience, Adjust playback speed, Sleep timer for audiobooks

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Harbour Guide free?

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

### Is Shelf free?

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

### Do Harbour Guide or Shelf have ads?

Neither Harbour Guide nor Shelf shows ads.

### Which is updated more often, Harbour Guide or Shelf?

Harbour Guide ships an update every 6 months, and Shelf every 5 weeks. Most recently, Harbour Guide was updated on October 24, 2026 and Shelf 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.*