# SeaNav vs Navigation Marine

The clearest difference is in-app purchases: Navigation Marine at none against SeaNav's 18. Navigation Marine also leads on update cadence (fortnightly vs monthly) and iOS requirement (13.0 vs 16.0). SeaNav's advantage is ads (none vs shown). On price, review sentiment and device support there is nothing between them.

Both are free to download. SeaNav sells 18 in-app purchases, starting at $4.99 per year. Navigation Marine asks for nothing beyond the download.

SeaNav ships an update monthly, Navigation Marine fortnightly. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | SeaNav | Navigation Marine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (251 ratings)](https://appshunter.io/ios/app/seanav/id857841271/reviews)** | — |
| Number of ratings | **251** | — |
| Positive reviews | **54.7% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 158 MB | 8 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pocket Mariner Ltd.](https://appshunter.io/developer/719592131) | [Andrea Bisegna](https://appshunter.io/developer/1069174556) |

## What reviewers say

### SeaNav

[App page](https://appshunter.io/ios/app/seanav/id857841271)

This app provides high-resolution marine charts, route planning, and real-time navigation for boaters. It offers features like AIS ship tracking, tide and weather information, and offline chart access. Advanced capabilities include augmented reality views and autopilot integration.

**Highlights:** High-resolution marine charts, Autoroute planning, Real-time GPS navigation, AIS ship tracking, Tides and weather, Offline chart access, Augmented Reality View

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weather charts | $4.99 | per year |
| New Zealand Charts | $5.99 | per year |
| NOAA US Raster Charts | $9.99 | per year |
| US Charts | $9.99 | per month |
| Pro Features | $10.49 | per year |
| Bermuda and BVI Charts | $12.99 | per year |
| Italy, Sardinia and Sicily | $17.99 | per year |
| Norwegian Charts | $18.49 | per year |
| US Charts | $19.99 | per year |
| Portuguese Charts | $19.99 | per year |
| BE & NL Charts | $20.99 | per year |
| Spanish Charts | $24.99 | per year |
| UK & IE Charts | $24.99 | per year |
| French Charts | $24.99 | per year |
| Canadian Charts | $26.99 | per year |
| Croatian Charts | $28.49 | per year |
| Man Overboard & Anchor Watch | $4.99 | one-time |
| Pro Features | $14.99 | one-time |

**What reviewers like**

- 👍 Easy to use and great price
- 👍 Much easier to use than competitors
- 👍 UKHO Charts at a reasonable price
- 👍 Intuitive interface, clear and uncluttered
- 👍 Supports NMEA data integration

**What reviewers complain about**

- 🐛 Frozen/locked app
- 💰 Neil and dime for everything
- ❌ Not picking up vessels or ship traffic
- ❌ Charts not good, weather not working
- ❌ Difficult to download and update charts

**Reported bugs**

- Frozen/locked app
- Not picking up vessels or ship traffic
- App does not open
- Crashes after crashes
- Sailing mode crash

**Requested features**

- Can you see water depth on Apple Watch?
- Download all purchased charts button
- Update all purchased charts button
- Legend for symbols and colors
- Brief chart reading explainer


### Navigation Marine

[App page](https://appshunter.io/ios/app/navigation-marine/id1450245637)

This marine navigation tool provides essential functions for sailors, yachts, and boats. It includes a speedometer, position tracking, waypoint management, distance measurement, and course guidance to waypoints.

**Highlights:** Speedometer (knots, mph, km/h), Course Over Ground, Position tracking, Waypoint marking and editing, Distance measurement (nautical miles, meters), Course to Waypoint

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SeaNav free?

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

### Is Navigation Marine free?

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

### Do SeaNav or Navigation Marine have ads?

Navigation Marine shows ads; SeaNav does not.

### Which is updated more often, SeaNav or Navigation Marine?

SeaNav ships an update monthly, and Navigation Marine fortnightly. Most recently, SeaNav was updated on October 26, 2026 and Navigation Marine on October 27, 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.*