# Qastor — Marine Navigation and Pilotage

> Marine Navigation and Pilotage (iPhone/iPad app by Quality Positioning Services (Q.P.S.) B.V..)

- Source: https://appshunter.io/ios/app/qastor/id1449631903 (this page in markdown: same URL + `.md`)
- Developer: [Quality Positioning Services (Q.P.S.) B.V.](https://appshunter.io/developer/1449631902)
- Category: Navigation
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 14.0 · 257 MB
- Released: 2020-10-12
- Data updated: 2026-07-17
- User reviews in markdown: https://appshunter.io/ios/app/qastor/id1449631903/reviews.md

## What is Qastor?

A precise navigation software for piloting and docking, and with Under Keel Clearance capability and modes customized to specific, critical operations, Qastor also supports high-resolution overlays to expand navigable water, and real-time meteorological updates via the Connect Server, resulting in optimal situational awareness for pilots.

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Navigation | $619.00 | per year |
| Navigation + Docking | $989.00 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 14-day Trial | Free | one-time |



## Version history (last 5 releases)

### 3.22.0 — 2026-07-06

- Mainly bug fixes
- Automatically scroll the waypoint list in the side panel

### 3.21.0 — 2026-04-16

- S-100 layers Qastor
- Changed CPA along route
- Visualization of old and lost targets
- Suppress own vessel Ghost ship using Connect server Client Relay
- Distance labels behaviour
- Favorites list in edit mode
- Copy AIS- and XR2 status window interaction
- ADX XR2 display which RTK station it is connected too
- Qastor startup with No Profile setup
- German translation update
- Predicted Tide Graph

### 3.20.0 — 2026-02-05

Annotation overlap behaviour.
Increased target pick radius.
Heading offset icon in top- and side bar.
Direct indication of a failed login to Connect server.
Copy all AIS data to top of menu.
Appearance of extend/contract distance line button.
Connect data stream recovery after switching networks.
Definition next to the S-104 and S-111.
Fix manifold distance/speed covered by vessel shape.
Fix XR2 status window not overlapping the AIS popup window and side bar.
Fix not localized text in profile change popup window.
Fix multiple identical alarms.
Fix manual tide change applied immediately.
Fix distance labels jumping.
Fix Indication of Pos en Hdg source in status window XR2.
Fix personal storage out-of-date notification.
Fix docking panel closes after closing favorites.
Fix time info not hidden after selecting a new vessel.
Fix north-up compass button does not update.
Fix authentication errors shown when internet connection is lost.
Fix Side panel does not fully close when using gripper.
Fix display of decimal SOG/COG for pilot plugs with internal GNSS receiver.

### 3.19.0 — 2025-10-27

Improved NTRIP support

### 3.18.0 — 2025-09-29

NOAA charts download
Moored target filter
Falling/Rising tide indicator
Two reference datums in one chart
Negative SOG with no HDG
Multiple items with identical names now have unique naming
Heading and ROT warning popup text
Visibility of AIS targets
Menu text change PPU distance to centerline and bow
Pre-saved location selection
AIS/VTS toggle
Range ring and bearing/distance measurements
Manifold Approach
Client relay update settings
North up icon and display orientation
GRIB file rendering with blue collar
AIS parameters change and vessel marker ring color behaviourGRIB parameter deviation of sea level from mean

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-17.*