# SeaNav NP vs Ship Tracker

The clearest difference is price: Ship Tracker at Free against SeaNav NP's $27.99. Ship Tracker also leads on update cadence (every 6 weeks vs every 7 months). SeaNav NP's advantage is iOS requirement (11.0 vs 17.6). On ads, in-app purchases and device support there is nothing between them.

Ship Tracker is free to download; SeaNav NP costs $27.99 up front. SeaNav NP sells 10 in-app purchases, starting at $5.49 per year and Ship Tracker sells 6 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

SeaNav NP ships an update every 7 months, Ship Tracker every 6 weeks. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | SeaNav NP | Ship Tracker |
| --- | --- | --- |
| Price | $27.99 | **Free** |
| Rating | **[2.8 (4 ratings)](https://appshunter.io/ios/app/seanav-np/id1209754367/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 63 MB | 56 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Pocket Mariner Ltd.](https://appshunter.io/developer/719592131) | [APPMERGE TEKNOLOJI LIMITED SIRKETI](https://appshunter.io/developer/1822845284) |

## What reviewers say

### SeaNav NP

[App page](https://appshunter.io/ios/app/seanav-np/id1209754367)

This app offers real-time maritime navigation with high-resolution digital charts and powerful route planning. It includes free navigation tools, offline chart support, and weather information. Advanced features like live AIS and augmented reality views are available via in-app purchases.

**Highlights:** Real-time navigation, High-resolution digital charts, Route planning and tracking, Offline chart support, Live AIS and AR views (IAP), Weather, tide, and sun/moon times, Apple Watch app

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Wind and Waves | $5.49 | per year |
| Pro Features | $14.49 | per year |
| New Zealand Charts | $16.99 | per year |
| Portuguese Charts | $19.99 | per year |
| US & Great Lakes | $24.99 | per year |
| Norwegian Charts | $24.99 | per year |
| UK & IE Charts | $25.99 | per year |
| Spanish Charts | $26.99 | per year |
| French Charts (N & W) | $29.99 | per year |
| Canadian Charts | $30.99 | per year |


### Ship Tracker

[App page](https://appshunter.io/ios/app/ship-tracker-ais-map/id6763819005)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Pro | $4.99 | per 7 days |
| Weekly Pro | $4.99 | per 7 days |
| Premium Pro | $7.99 | per 7 days |
| Premium Pro | $9.99 | per 7 days |
| Premium Access | $29.99 | per year |
| Yearly Pro | $39.99 | per year |


## Frequently asked questions

### Is SeaNav NP free?

SeaNav NP costs $27.99, and also offers in-app purchases.

### Is Ship Tracker free?

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

### Do SeaNav NP or Ship Tracker have ads?

Neither SeaNav NP nor Ship Tracker shows ads.

### Which is updated more often, SeaNav NP or Ship Tracker?

SeaNav NP ships an update every 7 months, and Ship Tracker every 6 weeks. Most recently, SeaNav NP was updated on October 15, 2026 and Ship Tracker on October 10, 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.*