# Seabook+ vs Mariner Prep

The clearest difference is review sentiment: Seabook+ at 53% against Mariner Prep's 0%. Seabook+ also leads on rating (4.0 vs 2.0) and ratings volume (3 vs 1). Mariner Prep's advantage is price ($1.99 vs $6.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

Seabook+ costs $6.99 and Mariner Prep $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Seabook+ holds the better App Store score, 4.0 against 2.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 53% of Seabook+'s written reviews are positive against 0% of Mariner Prep's.

## The numbers

| Metric | Seabook+ | Mariner Prep |
| --- | --- | --- |
| Price | $6.99 | **$1.99** |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/seabook-plus/id1517249755/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/mariner-prep/id6753153885/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | **53.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 35 months | — |
| Monetization | Paid | Paid |
| Size | 37 MB | 11 MB |
| Requires iOS | **13.0** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Ozgur GUNES](https://appshunter.io/developer/708215144) | [Babak Khoshroo](https://appshunter.io/developer/1108435117) |

## 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


### Mariner Prep

[App page](https://appshunter.io/ios/app/mariner-prep/id6753153885)

Master the Rules of the Road with targeted practice questions designed for merchant mariners and Naval Officers. This app offers realistic multiple-choice scenarios, including image-based questions for visual aids like lights and signals, to help you pass the relevant module.

**Highlights:** Targeted practice questions, Realistic multiple-choice scenarios, Image-based questions for signals, Focus on Rules of the Road module, Built for merchant mariners and Naval Officers

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Seabook+ free?

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

### Is Mariner Prep free?

Mariner Prep costs $1.99, with no in-app purchases.

### Which has better reviews, Seabook+ or Mariner Prep?

Seabook+ is rated higher. Seabook+ averages 4.0 out of 5 from 3 ratings, while Mariner Prep averages 2.0 from 1 ratings.

### Do Seabook+ or Mariner Prep have ads?

Neither Seabook+ nor Mariner Prep shows ads.

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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.*