Marine: Boat & more

Tip: Locus Map supports OpenSeaMap ("nautical variant" of OpenStreetMap). That way you not only have your "on water navigation", but "landmarks" as well! Same can be said for OsmAnd with the Nautical Charts plugin.

Locus Map 4 Outdoor Navigation (4.6@61,576) Ǥ 27 4 / Locus Map 3 Classic (4.7@47,436; ~EUR 10.00) Ǥ 19 2 Video Tutorials for Beginners 2017; Izzy's Locus Ressourcen-Sammlung; Online & Offline; KML/KMZ/KMX Import (POIs/Routen/Bilder), GeoCaching, ANT+ Support
AvNav Navigation (4.6@113) 12 $Contains no trackers known to us \o/$ Sailboat Navigation
OsmAnd API Demo (4.6@92) 1 $Contains no trackers known to us \o/$ for developers: test integration with OsmAnd and functioning of the main features
Avalon Offshore (4.6@51; ~EUR 80.00) Ǥ 16
Marine Ways (4.5@2,124) Ǥ 11 4
i-Boating:Marine Navigation (4.3@11,979) Ǥ 14 $Contains no trackers known to us \o/$
Weather - Routing - Navigation (4.3@2,680) Ǥ 19 3 / Pro Weather Routing Navigation (4.8@1,301; ~EUR 140.00) Ǥ 16 4
Nautical Charts — OsmAnd (4.3@2,207) 1 $Contains no trackers known to us \o/$ Plugin for OsmAnd
Ski Map Plugin — OsmAnd (4.3@794) 1 $Contains no trackers known to us \o/$
Sailings (4.3@768) Ǥ 6 $Contains no trackers known to us \o/$
Polaris GPS Hike, Bike, Marine (4.2@44,309) Ǥ 15 1
NavKid Bundeswasserstraßen (4.2@110) 7 1
WinGPS™ Marine (4.1@1,215) Ǥ 18 1
Maritime World Ports (4.1@410) Ǥ 6 $Contains no trackers known to us \o/$ LastUpdate: 2016-08-29
AFTrack Sailing Edition (4@131) 14 $Contains no trackers known to us \o/$
PathAway Outdoor GPS Navigator (3.8@369) Ǥ 17 2 Record tracks, capture points, create and follow routes, navigate with online maps. Intended for aviation, boating, off-road driving, hiking, cycling, touring, Geocaching, …
C-MAP Boating (3.5@13,711) Ǥ 34 9 incl. offline maps
OpenCPN (3.5@1,844) 9 3 LastUpdate: 2016-10-03 / OpenCPN (3.7@769; ~EUR 10.50) 12 1
SeaWi Marine (3.5@159) Ǥ 13 $Contains no trackers known to us \o/$ LastUpdate: 2021-10-28
Boat Beacon - AIS Navigation (3.4@341; ~EUR 16.00) Ǥ 14 $Contains no trackers known to us \o/$
qtVlm Navigation and Routing (3.3@283) Ǥ 14 $Contains no trackers known to us \o/$
Marine Navigation Lite (2.9@2,468) Ǥ 14 2 / Marine Navigation (4.2@428; ~EUR 9.50) Ǥ 12 2
Seapilot (2.9@766) Ǥ 10 3
Navionics® Boating (2.8@45,699) Ǥ 15 2
Savvy Navvy Boating Navigation (2.7@2,720) Ǥ 12 10
SeaMapDroid (0@0) 4 $Contains no trackers known to us \o/$ LastUpdate: 2019-12-07 Github

Boat log books

2025-07-10

Blue Boat Log - Explore and Tr (4.4@18) Ǥ 18 11
LD-Log Lite - GPS Logger (4.2@245) 12 $Contains no trackers known to us \o/$ / LD-Log - GPS Tracker & Logbook (4.8@609; ~EUR 11.00) Ǥ 8 $Contains no trackers known to us \o/$ track, waypoints (auto/manual), and more
Nebo - Boat Logging Made Easy. (4.1@486) Ǥ 16 6
Mad Mutt Marine GPS Navigator (4@95) 3 $Contains no trackers known to us \o/$ LastUpdate: 2014-09-05 Waypoints, logs, anchor alarm
Sail Expert: Sailing App (3.7@318) Ǥ 26 3
nke Display (2.8@44) 11 2
Hensa (0@0) Ǥ 21 9

Anchor Alarms

2025-07-10

My Anchor Watch (4.6@227) 8 2 LastUpdate: 2020-07-09
Anchor Watch / Alarm (4.4@2,349) Ǥ 15 2
Anchor Alarm - SailGrib AA (4.4@311) Ǥ 11 2 LastUpdate: 2023-09-25
Sailsafe. Anchor alarm. (4.3@241) 8 $Contains no trackers known to us \o/$ LastUpdate: 2019-04-04
Anchor Alert (4.1@43; ~EUR 14.00) Ǥ 10 1
Anchor Watch Lite (3.8@96) Ǥ 15 1 / Anchor Watch (2.5@25; ~EUR 3.00) 11 1
Anchor watch (3.7@108) 3 $Contains no trackers known to us \o/$ LastUpdate: 2018-03-25

Regatta & Races

2025-07-10

Sailing Tack-Tastic (4.7@11) 3 $Contains no trackers known to us \o/$ LastUpdate: 2020-06-06
Race Sailing Tack Optimizer Free Edition (4.4@31) 3 2 LastUpdate: 2017-02-03
Sail Racer (4@285) Ǥ 15 4 LastUpdate: 2020-02-16
Sailware (Sailboat Racing) (1@26) Ǥ 13 2

Wind, Weather, & Tide

2025-07-10

Windy.app - Enhanced forecast (4.7@338,864) Ǥ 22 14
Windy.com - Weather Forecast (4.6@768,180) Ǥ 27 9
Windfinder: Wind & Weather map (4.6@81,832) Ǥ 14 3 / Windfinder Pro: Wind & Weather (4.7@14,335; ~EUR 15.00) Ǥ 9 2 Wind, waves, weather & tides worldwide
My Tide Times - Tables & Chart (4.5@24,797) Ǥ 13 12 / My Tide Times Pro (4.7@1,613; ~EUR 3.50) 6 1
Weather - Routing - Navigation (4.3@2,680) Ǥ 19 3 / Pro Weather Routing Navigation (4.8@1,301; ~EUR 140.00) Ǥ 16 4
SailFlow: Marine Forecasts (4.3@948) Ǥ 11 8
Tide Prediction (4.2@2,394) 3 $Contains no trackers known to us \o/$ LastUpdate: 2020-05-17
Météo Marine (4.1@21,463) Ǥ 16 10 coastal forecast for France and Europe
Wisuki (3.9@8,227) Ǥ 19 8
Marine Wind Calculator (3.8@147) $Contains no trackers known to us \o/$ LastUpdate: 2017-08-21
Tides Planner (0@0) Ǥ 10 2

Preparation & tests for boat licenses

2025-07-10

SBF Binnen, SBF See, BSP, SRC (4.9@8,179) Ǥ 10 $Contains no trackers known to us \o/$
Driving license inland 2017 (4.9@767) 0 $Contains no trackers known to us \o/$ LastUpdate: 2023-11-12 / Driving license sea (4.8@696) 0 $Contains no trackers known to us \o/$ LastUpdate: 2023-11-15 Sportboot-Führerschein für Binnengewässer
SBF-Binnen 2021 (4.6@35) Ǥ 5 3 LastUpdate: 2021-03-05
SBF SKS Sportbootführerschein (4.5@77; ~EUR 2.00) 1 $Contains no trackers known to us \o/$ LastUpdate: 2023-11-30
Wassersport einfach lernen (4.3@23) 5 $Contains no trackers known to us \o/$ LastUpdate: 2020-11-08
SBF-Teacher (3.8@96) 0 $Contains no trackers known to us \o/$ LastUpdate: 2015-01-19
Büffeln Bootsscheine (3.6@9) Ǥ 9 $Contains no trackers known to us \o/$

Maritime reference books & manuals

2025-07-10

Knots — How to Tie Lite (5@502) Ǥ 7 4 LastUpdate: 2017-03-31
Marinus ColRegs Lite (4.8@2,283) Ǥ 7 3 LastUpdate: 2018-09-14
Mariners’ Glossary (4.8@98) 4 4 LastUpdate: 2019-07-25
Seabook (4.7@5,139) 2 $Contains no trackers known to us \o/$ LastUpdate: 2023-07-25
cMate (ColReg IALA ICS SOLAS) (4.7@537) 5 $Contains no trackers known to us \o/$ LastUpdate: 2022-11-17
Nautical Flags Helper (4.7@218) 3 3
Vessel Lights (4.6@2,088) 0 $Contains no trackers known to us \o/$
Maritime Dictionary (4.6@938) Ǥ 7 2 LastUpdate: 2020-09-20
Skipper Directory (4.6@391) Ǥ 4 5 LastUpdate: 2020-10-30
Useful Knots - Tying Guide (4.4@6,036) Ǥ 6 2
Primo Nautic: Vessel Tracking (4.2@2,236) Ǥ 5 5
FREE Safe Skipper SafetyAfloat (4@99) 4 $Contains no trackers known to us \o/$ LastUpdate: 2023-03-06
Dictionary of Marine Terms (3.6@2,252) 3 1 LastUpdate: 2020-05-24
Nautical Flags (3.6@425) Ǥ 6 2

Other maritime apps

2025-07-10

SeaHelp (4.9@1,112) Ǥ 14 6 breakdown service at sea; Croatia, Slovenia, Northern Italy and the Balearic Islands
easyAIS (4.8@206) 3 $Contains no trackers known to us \o/$ LastUpdate: 2020-07-09
iBoatCharter (4.8@96) Ǥ 12 6 LastUpdate: 2016-04-02 Adria
SailDroid (4.6@2,133) Ǥ 10 1
Nautical Almanac (4.6@1,522) Ǥ 5 $Contains no trackers known to us \o/$ Screencast 4/2020
Fishing Points - Fishing App (4.4@179,078) Ǥ 19 10
Getmyboat: Boat Rentals (4.4@2,683) Ǥ 22 2
AIS-catcher (4.4@9) 7 $Contains no trackers known to us \o/$ Github; turns your android phone with a chep DVB-T dongle into a portable AIS receiver
Navily - Your Cruising Guide (3.9@1,933) Ǥ 24 8 find anchoring spots
Ships - Receive AIS from air (3.9@113) Ǥ 15 3 Github
WatchMate (3.9@56) Ǥ 10 3 LastUpdate: 2022-06-25
Nautical Calculator (3.6@671) Ǥ 14 2 / Nautical Calculator Pro (4.7@197; ~EUR 7.50) Ǥ 7 2
Sentinel - your boat, online (3.4@59) Ǥ 13 4 advanced control module for your boat
Mooringo (3.3@49) Ǥ 10 1
canua - für deine Paddeltouren (2.5@356) Ǥ 18 2 Vorstellung 4/2019 | 5/2019

Further Readings:

Rubrik Navigation
Skipperguide Wiki: Liste nautischer Software
Skipperguide: Android Tools vorgestellt
OpenSeaMap - die freie Seekarte
6 best sailing apps you should try (5/2022)
Bootsnavigation – Die besten Navi-Apps (6/2020)
Best Marine Navigation Apps (12/2019)
Best Sailing and Boating Apps (7/2018 - 5/2019)
Segel-Apps für Ihr Mobiltelefon, Smartphone und Tablet (8/2013 - 5/2023)

2025-07-11

IzzyOnDroid

Maritime Navigation

Boat log books

Anchor Alarms

Regatta & Races

Wind, Weather, & Tide

Preparation & tests for boat licenses

Maritime reference books & manuals

Other maritime apps