# Neptune vs Navitime Marine

The clearest difference is in-app purchases: Neptune at none against Navitime Marine's 4. Neptune also leads on ads (none vs shown) and rating (5.0 vs 4.8). On price, review sentiment, update cadence and device support there is nothing between them.

Both are free to download. Navitime Marine sells 2 in-app purchases, starting at $4.99 per month. Neptune asks for nothing beyond the download.

Neptune holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 17 and 5 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Both ship on a similar rhythm, roughly every 4 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | Neptune | Navitime Marine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (17 ratings)](https://appshunter.io/ios/app/neptune-navigation-rules/id6756641315/reviews)** | [4.8 (5 ratings)](https://appshunter.io/ios/app/navitime-marine/id6785659490/reviews) |
| Number of ratings | **17** | 5 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 days | Every 4 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 96 MB | 67 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Brice Brown](https://appshunter.io/developer/1555846025) | [Khalid Alyafei](https://appshunter.io/developer/6785659492) |

## What reviewers say

### Neptune

[App page](https://appshunter.io/ios/app/neptune-navigation-rules/id6756641315)

Prepare for USCG COLREG and OOD exams with a comprehensive study system. Features AI tutoring, interactive 3D visuals for lights and shapes, and a complete question bank with intelligent test modes and progress tracking.

**Highlights:** AI-powered tutor for rule explanations, Interactive 3D lights and shapes trainer, Official USCG question bank, Verbatim memory trainer, Intelligent exam simulator modes, Advanced progress tracking, Offline study capability

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

**In-app purchases:** none


### Navitime Marine

[App page](https://appshunter.io/ios/app/navitime-marine/id6785659490)

This app offers comprehensive study materials, interactive quizzes, and essential navigation tools for maritime professionals and students. It covers COLREGS, navigation techniques, and includes AI-powered tutoring for exam preparation. Enjoy offline access to all content and features.

**Highlights:** COLREGS Rules study (English/Arabic), Navigation lights, shapes, and signals, Advanced Navigation library, AI COLREGS tutor, Category-based and mock exams, GPS Radar with AIS traffic, Chart Plotter practice

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Navitime Pro Monthly | $4.99 | per month |
| Navitime Pro Annual | $49.99 | per year |


## Frequently asked questions

### Is Neptune free?

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

### Is Navitime Marine free?

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

### Which has better reviews, Neptune or Navitime Marine?

Neptune is rated higher. Neptune averages 5.0 out of 5 from 17 ratings, while Navitime Marine averages 4.8 from 5 ratings.

### Do Neptune or Navitime Marine have ads?

Navitime Marine shows ads; Neptune does not.

### Which is updated more often, Neptune or Navitime Marine?

Neptune ships an update every 4 days, and Navitime Marine every 4 days. Most recently, Neptune was updated on November 5, 2026 and Navitime Marine on November 5, 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.*