# ARK vs Harbour Guide

The clearest difference is in-app purchases: Harbour Guide at none against ARK's 10. Harbour Guide also leads on review sentiment (33% vs 0%). ARK's advantage is update cadence (every 2 weeks vs every 6 months). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. ARK sells 10 one-off in-app purchases. Harbour Guide asks for nothing beyond the download.

ARK ships an update every 2 weeks, Harbour Guide every 6 months. The most recent releases landed on August 9, 2026 and August 15, 2026 respectively.

## The numbers

| Metric | ARK | Harbour Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/ark/id524347797/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 0.0% of reviews | **33.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 months |
| Monetization | Free | Free |
| Size | 27 MB | 39 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ark Bokhandel AS](https://appshunter.io/developer/524347800) | [Laeremiddelforlaget-Skagerrak Forlag AS](https://appshunter.io/developer/442920067) |

## What reviewers say

### ARK

[App page](https://appshunter.io/ios/app/ark/id524347797)

Access your digital library and enjoy your purchased books and audiobooks. Customize your reading experience and discover new stories with personalized recommendations. The app is continuously being improved based on user feedback.

**Highlights:** Access digital books, Listen to audiobooks, Customize reading experience, Get book recommendations, Read purchased books

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kjøpt e-bok/nedlastbar lydbok | $8.99 | one-time |
| Kjøpt e-bok/nedlastbar lydbok | $10.99 | one-time |
| Kjøpt e-bok/nedlastbar lydbok | $11.99 | one-time |
| Kjøpt e-bok/nedlastbar lydbok | $13.99 | one-time |
| Kjøpt e-bok/nedlastbar lydbok | $14.99 | one-time |
| Kjøpt e-bok/nedlastbar lydbok | $15.99 | one-time |
| Kjøpt e-bok/nedlastbar lydbok | $16.99 | one-time |
| Kjøpt e-bok/nedlastbar lydbok | $18.99 | one-time |
| Kjøpt e-bok/nedlastbar lydbok | $25.99 | one-time |
| Kjøpt e-bok/nedlastbar lydbok | $27.99 | one-time |


### 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


## Frequently asked questions

### Is ARK free?

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

### Is Harbour Guide free?

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

### Do ARK or Harbour Guide have ads?

Neither ARK nor Harbour Guide shows ads.

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

ARK ships an update every 2 weeks, and Harbour Guide every 6 months. Most recently, ARK was updated on August 9, 2026 and Harbour Guide on August 15, 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.*