# NavRules vs Nautical Rules

The clearest difference is price: Nautical Rules at Free against NavRules's $15.99. Nautical Rules also leads on rating (5.0 vs 3.9) and review sentiment (100% vs 68%). NavRules's advantage is chart position (#31 vs unranked) and iOS requirement (8.0 vs 17.0). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Nautical Rules is free to download; NavRules costs $15.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Nautical Rules holds the better App Store score, 5.0 against 3.9. Both are backed by a comparable volume of ratings — 19 and 12 respectively. Written reviews point the same way: 68% of NavRules's written reviews are positive against 100% of Nautical Rules's.

NavRules ships an update every 13 months, Nautical Rules every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | NavRules | Nautical Rules |
| --- | --- | --- |
| Price | $15.99 | **Free** |
| Rating | [3.9 (19 ratings)](https://appshunter.io/ios/app/navrules/id423125556/reviews) | **[5.0 (12 ratings)](https://appshunter.io/ios/app/nautical-rules/id6756220989/reviews)** |
| Number of ratings | **19** | 12 |
| Positive reviews | 68.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Best chart rank | **#31** | — |
| Size | 17 MB | 5 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mintaka Innovations](https://appshunter.io/developer/1207417949) | [Joseph Kim](https://appshunter.io/developer/1855404156) |

## What reviewers say

### NavRules

[App page](https://appshunter.io/ios/app/navrules/id423125556)

**Currently charting:** #31 Top Paid · Navigation (US App Store)

Master nautical navigation rules with practice exams and a comprehensive rule book. Focus your learning by customizing tests based on question type, rule, and filter. Track your progress and review answers with detailed explanations.

**Highlights:** Customizable practice exams, International and US Inland rules, Question filtering by text or rule, Progress tracking by rule, Flash card mode with diagrams, Integrated Rule Book, Over 1200 questions

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

**In-app purchases:** none


### Nautical Rules

[App page](https://appshunter.io/ios/app/nautical-rules/id6756220989)

Master USCG Navigation Rules with a comprehensive question bank and smart study features. Track your progress, practice for exams, and study offline to navigate with confidence.

**Highlights:** 1,200+ practice questions, Inland and International waters coverage, Detailed explanations, Customizable tests, Offline study capability, Progress tracking dashboard, Accuracy by rule statistics

**In-app purchases:** none


## Frequently asked questions

### Is NavRules free?

NavRules costs $15.99, with no in-app purchases.

### Is Nautical Rules free?

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

### Which has better reviews, NavRules or Nautical Rules?

Nautical Rules is rated higher. NavRules averages 3.9 out of 5 from 19 ratings, while Nautical Rules averages 5.0 from 12 ratings.

### Do NavRules or Nautical Rules have ads?

Neither NavRules nor Nautical Rules shows ads.

### Which is updated more often, NavRules or Nautical Rules?

NavRules ships an update every 13 months, and Nautical Rules every 3 weeks. Most recently, NavRules was updated on October 24, 2026 and Nautical Rules on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*