Best Qastor alternatives: apps like Qastor

10+ similar apps compared and reviewed

4.2 avg rating
10 free apps
Updated October 2026
Qastor
Qastor
Quality Positioning Services (Q.P.S.) B.V.

Qastor is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Qastor

Wärtsilä Pilot PRO#1
4.3(3 ratings)
Free
Wärtsilä Pilot PRO screenshot 1
Wärtsilä Pilot PRO screenshot 2
Wärtsilä Pilot PRO screenshot 3
Wärtsilä Pilot PRO screenshot 4
Wärtsilä Pilot PRO screenshot 5

This application provides advanced navigational tools for maritime professionals, including deep sea, channel, river, and harbor pilots. It supports various chart formats and integrates with GPS and AIS sensors for precise positioning and data logging.

More apps like Qastor

4
SEAiq Pilot
SEAiq Pilot
SEAiq Pilot
#1 App for Pro Marine Pilots
Free

This navigation app provides advanced charting and real-time vessel data for professional marine pilots. It supports various chart formats and external NMEA/AIS devices, offering features like predicted vessel display and docking aids. A free trial is available, with an in-app purchase for permanent access.

S-57, S-63, iENC, BSB/KAP chart supportExternal NMEA/AIS over WiFiPredicted vessel display
🗺️ Navigation
(453)
free with in-app purchases
5
SEAiq
SEAiq
SEAiq
by Sakhalin
Free

This marine navigation app offers comprehensive charting capabilities, allowing users to load various standard chart formats and download NOAA charts. It includes essential navigation tools like waypoints, routes, and an anchor alarm, along with weather overlays and NMEA/AIS integration.

Load custom S-57, S-63, iENC, BSB, KAP chartsAutomatic NOAA chart downloadsWaypoints, routes, and tracks
🗺️ Navigation
(194)
free with in-app purchases
6
Seapilot
Seapilot
Seapilot
by Seapilot
Free

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.

Vectorized S-57 chart dataAutomatic Identification System (AIS)Built-in weather forecasts
🗺️ Navigation
(15)
free with in-app purchases
7
AIS Maps: Marine & Lake charts
AIS Maps: Marine & Lake charts
AIS Maps: Marine & Lake charts
Detailed nautical & topo maps
Free

Explore detailed nautical, lake, and park maps with live vessel tracking. Offers offline map access, route planning, and weather forecasts for safe and informed navigation on water and trails.

Live AIS vessel trackingDetailed nautical chartsOffline map downloads
🗺️ Navigation
(32)
free with in-app purchases
8
TZ iBoat – Marine Navigation
TZ iBoat – Marine Navigation
TZ iBoat – Marine Navigation
Boat GPS, Charts, AIS, Tides
Free

Navigate the seas with advanced marine charts, GPS, and AIS data, even offline. This app offers detailed bathymetry, community-contributed map data, and dynamic features for safe boating, sailing, and fishing.

Offline marine chartsGPS and route planningAIS Online tracking
🗺️ Navigation
(880)
free with in-app purchases
9
Orca: Boat GPS, Charts, Routes
Orca: Boat GPS, Charts, Routes
Orca: Boat GPS, Charts, Routes
GPS Chart Route Sail Powerboat
Free

Navigate the waters with advanced marine charts, intelligent route planning, and real-time weather and vessel tracking. This app offers offline chart access and can integrate with hardware for a comprehensive boating experience.

Marine chartsIntelligent routingLive AIS tracking
🗺️ Navigation
(402)
free with in-app purchases
10
C-MAP: Boating
C-MAP: Boating
C-MAP: Boating
Charts, Planning & Navigation
Free

Access up-to-date nautical charts for global exploration and planning. Save points of interest and routes, record tracks, and view marine weather. Upgrade for offline maps, GPS, and advanced features like shaded relief and AIS.

Free chart viewerAutoroutingPersonal waypoints
🗺️ Navigation
(2.3K)
free with in-app purchases