# SeaNav vs Germany HD GPS Nautical Chart

The clearest difference is review sentiment: SeaNav at 55% against Germany HD GPS Nautical Chart's 0%. SeaNav also leads on price (Free vs $19.99) and update cadence (monthly vs every 10 months). Germany HD GPS Nautical Chart's advantage is iOS requirement (12.0 vs 16.0). On ads, in-app purchases and device support there is nothing between them.

SeaNav is free to download; Germany HD GPS Nautical Chart costs $19.99 up front. SeaNav sells 18 in-app purchases, starting at $4.99 per year and Germany HD GPS Nautical Chart sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

SeaNav ships an update monthly, Germany HD GPS Nautical Chart every 10 months. The most recent releases landed on October 26, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | SeaNav | Germany HD GPS Nautical Chart |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| Rating | **[4.4 (251 ratings)](https://appshunter.io/ios/app/seanav/id857841271/reviews)** | — |
| Number of ratings | **251** | — |
| Positive reviews | **54.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 10 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 158 MB | 213 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pocket Mariner Ltd.](https://appshunter.io/developer/719592131) | [Flytomap](https://appshunter.io/developer/297575434) |

## 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


### Germany HD GPS Nautical Chart

[App page](https://appshunter.io/ios/app/germany-hd-gps-nautical-chart/id892003249)

This app provides detailed nautical charts and marine weather forecasts for Germany, working offline without mobile coverage. It offers advanced navigation tools like route planning, distance measurement, and GPS tracking, along with extensive map overlays and user-friendly features for boaters.

**Highlights:** Offline nautical charts for Germany, Marine weather forecasts, GPS tracking and heading vector, Distance measurement tool, Route planning with unlimited waypoints, Map overlays (satellite, terrain), Works in background mode

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MOB - Quick Waypoint | $1.99 | one-time |


## Frequently asked questions

### Is SeaNav free?

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

### Is Germany HD GPS Nautical Chart free?

Germany HD GPS Nautical Chart costs $19.99, and also offers in-app purchases.

### Do SeaNav or Germany HD GPS Nautical Chart have ads?

Neither SeaNav nor Germany HD GPS Nautical Chart shows ads.

### Which is updated more often, SeaNav or Germany HD GPS Nautical Chart?

SeaNav ships an update monthly, and Germany HD GPS Nautical Chart every 10 months. Most recently, SeaNav was updated on October 26, 2026 and Germany HD GPS Nautical Chart on October 20, 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.*