# Seabook+ vs Marine Insight e

The clearest difference is price: Marine Insight e at Free against Seabook+'s $6.99. Marine Insight e also leads on update cadence (fortnightly vs every 35 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Marine Insight e is free to download; Seabook+ costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Seabook+ ships an update every 35 months, Marine Insight e fortnightly. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Seabook+ | Marine Insight e |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/seabook-plus/id1517249755/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 53.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 35 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 37 MB | 17 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Ozgur GUNES](https://appshunter.io/developer/708215144) | [MARINE INSIGHT](https://appshunter.io/developer/977636456) |

## What reviewers say

### Seabook+

[App page](https://appshunter.io/ios/app/seabook-plus/id1517249755)

This app provides comprehensive maritime information for professionals and enthusiasts. It offers tools for navigational and technical computations, designed for easy use at sea with offline accessibility and a user-friendly interface.

**Highlights:** Comprehensive maritime information, Navigational and technical computations, Offline accessibility, User-friendly interface, Information for marine professionals, Knowledge for sea enthusiasts

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

**In-app purchases:** none


### Marine Insight e

[App page](https://appshunter.io/ios/app/marine-insight-e-library/id6475720792)

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

**In-app purchases:** none


## Frequently asked questions

### Is Seabook+ free?

Seabook+ costs $6.99, with no in-app purchases.

### Is Marine Insight e free?

Marine Insight e is free to download, with no in-app purchases.

### Do Seabook+ or Marine Insight e have ads?

Neither Seabook+ nor Marine Insight e shows ads.

### Which is updated more often, Seabook+ or Marine Insight e?

Seabook+ ships an update every 35 months, and Marine Insight e fortnightly. Most recently, Seabook+ was updated on October 12, 2026 and Marine Insight e on October 14, 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.*