# SeaNav NP vs navCenter

The clearest difference is price: navCenter at Free against SeaNav NP's $27.99. navCenter also leads on rating (4.4 vs 2.8) and update cadence (monthly vs every 7 months). SeaNav NP's advantage is iOS requirement (11.0 vs 15.4). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

navCenter 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 navCenter sells 2 in-app purchases, starting at $14.99 per year. Whichever you choose, the download price is not the number that matters.

navCenter holds the better App Store score, 4.4 against 2.8. Both are backed by a comparable volume of ratings — 4 and 7 respectively.

SeaNav NP ships an update every 7 months, navCenter monthly. The most recent releases landed on September 29, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | SeaNav NP | navCenter |
| --- | --- | --- |
| Price | $27.99 | **Free** |
| Rating | [2.8 (4 ratings)](https://appshunter.io/ios/app/seanav-np/id1209754367/reviews) | **[4.4 (7 ratings)](https://appshunter.io/ios/app/navcenter/id1580038607/reviews)** |
| Number of ratings | 4 | **7** |
| Positive reviews | — | 77.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 63 MB | 26 MB |
| Requires iOS | **11.0** | 15.4 |
| Devices | iPhone, iPad, iPod, Apple Watch | iPhone, iPad, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Pocket Mariner Ltd.](https://appshunter.io/developer/719592131) | [GUARDIAN DIGITAL LTD](https://appshunter.io/developer/1447117134) |

## 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 |


### navCenter

[App page](https://appshunter.io/ios/app/navcenter/id1580038607)

This app transforms your Apple devices into a multifunctional display for marine navigation data, including NMEA and AIS. It also provides autopilot remote control capabilities for compatible systems, connecting via a WiFi gateway.

**Highlights:** NMEA and AIS data display, Autopilot remote control, SeaTalk1™ and SeaTalkNG™ compatibility, WiFi gateway connection, NMEA2000 and NMEA0183 format support, Multifunctional display for iPhone, iPad, Mac, and Watch

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscribed annually | $14.99 | per year |
| Purchased | $34.99 | one-time |


## Frequently asked questions

### Is SeaNav NP free?

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

### Is navCenter free?

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

### Which has better reviews, SeaNav NP or navCenter?

navCenter is rated higher. SeaNav NP averages 2.8 out of 5 from 4 ratings, while navCenter averages 4.4 from 7 ratings.

### Do SeaNav NP or navCenter have ads?

Neither SeaNav NP nor navCenter shows ads.

### Which is updated more often, SeaNav NP or navCenter?

SeaNav NP ships an update every 7 months, and navCenter monthly. Most recently, SeaNav NP was updated on September 29, 2026 and navCenter on October 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.*