Best Qastor alternatives: apps like Qastor

10+ similar apps compared and reviewed

4.2 avg rating
10 free apps
Updated November 2026
Qastor
Qastor
Quality Positioning Services

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
4.5(4 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
(455)
free with in-app purchases
5
SEAiq
SEAiq
SEAiq
by Sakhalin
Free

This marine navigation app offers comprehensive charting tools, allowing users to load various chart formats and automatically download NOAA charts for the US. It includes features like waypoints, routes, tracks, weather overlays, and NMEA/AIS integration for enhanced seafaring.

Load custom charts (S-57, S-63, BSB, KAP)Automatic NOAA chart downloads (US)Waypoint and route planning
🗺️ 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
(16)
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 coastal waters with advanced marine charts, GPS, and real-time data. Monitor AIS targets, plan routes, and access weather forecasts for safer boating, sailing, and fishing. Offers offline capabilities and community map sharing.

Marine GPS and nautical chartsAIS target monitoringRoute planning and safe anchoring
🗺️ Navigation
(887)
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

Access detailed marine charts, intelligent routing, and live vessel tracking for confident navigation on the water. Plan routes with weather forecasts and stay aware of your surroundings with real-time AIS data. Works online and offline for uninterrupted use.

Accurate marine chartsIntelligent sail and engine routingLive AIS vessel tracking
🗺️ Navigation
(415)
free with in-app purchases
10
iNavX: Marine Navigation
iNavX: Marine Navigation
iNavX: Marine Navigation
Sailing & Boating Chartplotter
Free

This app provides comprehensive marine navigation tools, including worldwide chart coverage, weather forecasts, and AIS integration. It allows users to plan routes, track their position, and connect with onboard instruments for a complete boating experience.

Worldwide marine chart accessReal-time GPS plottingWaypoint and route management
🗺️ Navigation
(22K)
free with in-app purchases