# Seapilot vs PyNav

The clearest difference is review sentiment: PyNav at 100% against Seapilot's 38%. PyNav also leads on update cadence (every 5 weeks vs every 3 months). Seapilot's advantage is iOS requirement (9.3 vs 13.4). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Seapilot sells 18 in-app purchases, starting at $8.99 per year and PyNav sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Seapilot ships an update every 3 months, PyNav every 5 weeks. The most recent releases landed on September 11, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Seapilot | PyNav |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (15 ratings)](https://appshunter.io/ios/app/seapilot/id915818783/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 38.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 107 MB | 14 MB |
| Requires iOS | **9.3** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Seapilot](https://appshunter.io/developer/449148590) | [CL Consulting](https://appshunter.io/developer/6779253059) |

## What reviewers say

### Seapilot

[App page](https://appshunter.io/ios/app/seapilot/id915818783)

Navigate like a professional with this marine navigation app. It offers vectorized chart data, AIS, and weather forecasts, bringing merchant shipping technology to your mobile device. Plan trips, track your vessel, and access advanced navigation tools.

**Highlights:** Vectorized S-57 chart data, Automatic Identification System (AIS), Built-in weather forecasts, Positioning and background positioning via GPS, Man Overboard function, Premium features like Weather Routing

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

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Swedish charts with automatic updates | $8.99 | per year |
| East Canadian charts | $14.49 | per year |
| West Canadian | $14.49 | per year |
| Spanish charts with automatic updates | $17.49 | per year |
| Finnish charts | $19.49 | per year |
| Dutch charts | $19.49 | per year |
| Irish charts | $19.49 | per year |
| British charts | $19.49 | per year |
| German charts | $23.49 | per year |
| Croatian charts with automatic updates | $26.49 | per year |
| Portuguese charts with automatic updates | $26.49 | per year |
| Greek charts with automatic updates | $34.99 | per year |
| Premium | $39.99 | per year |
| French charts | $50.99 | per year |
| US East | Free | one-time |
| US West | Free | one-time |
| US-Great Lakes. One year subscription. | $11.99 | one-time |
| US-West. One year subscription. | $13.99 | one-time |


### PyNav

[App page](https://appshunter.io/ios/app/pynav/id6779253057)

This app provides NMEA instrument data and remote control for a pypilot autopilot. It can function as a standalone navigation hub, displaying wind, engine, and GPS data with customizable panels and configurable alarms.

**Highlights:** Pypilot autopilot control, NMEA instrument display, Customizable dashboard panels, Wind and engine data, GPS and waypoint navigation, Configurable alarms

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PyNav Pro | $7.99 | one-time |


## Frequently asked questions

### Is Seapilot free?

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

### Is PyNav free?

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

### Do Seapilot or PyNav have ads?

Neither Seapilot nor PyNav shows ads.

### Which is updated more often, Seapilot or PyNav?

Seapilot ships an update every 3 months, and PyNav every 5 weeks. Most recently, Seapilot was updated on September 11, 2026 and PyNav on September 7, 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.*