# Seapilot vs Qastor

The clearest difference is iOS requirement: Seapilot at 9.3 against Qastor's 14.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Seapilot sells 18 in-app purchases, starting at $8.99 per year and Qastor sells 3 in-app purchases, starting at $619.00 per year. Whichever you choose, the download price is not the number that matters.

Seapilot ships an update every 3 months, Qastor every 2 months. The most recent releases landed on September 11, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Seapilot | Qastor |
| --- | --- | --- |
| 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 | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 107 MB | 257 MB |
| Requires iOS | **9.3** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Seapilot](https://appshunter.io/developer/449148590) | [Quality Positioning Services (Q.P.S.) B.V.](https://appshunter.io/developer/1449631902) |

## 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 |


### Qastor

[App page](https://appshunter.io/ios/app/qastor/id1449631903)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Navigation | $619.00 | per year |
| Navigation + Docking | $989.00 | per year |
| 14-day Trial | Free | one-time |


## Frequently asked questions

### Is Seapilot free?

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

### Is Qastor free?

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

### Do Seapilot or Qastor have ads?

Neither Seapilot nor Qastor shows ads.

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

Seapilot ships an update every 3 months, and Qastor every 2 months. Most recently, Seapilot was updated on September 11, 2026 and Qastor on September 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*