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.

Marine Ways - Free Nautical Charts (4.6@1,661) Ǥ 8 2
Weather - Routing - Navigation (4.5@2,165) Ǥ 19 5 / Weather - Routing - Navigation (4.8@1,165; ~EUR 100.00) Ǥ 16 4
AvNav Navigation (4.5@93) 8 $Contains no trackers known to us \o/$ Sailboat Navigation
Weather Routing and Navigation (4.5@40; ~EUR 60.00) Ǥ 14
OsmAnd API Demo (4.4@61) 0 $Contains no trackers known to us \o/$ LastUpdate: 2018-01-12 for developers: test integration with OsmAnd and functioning of the main features
Locus Map 4 Outdoor Navigation (4.3@51,315) Ǥ 25 7 / Locus Map 3 Classic (4.7@43,090; ~EUR 10.00) Ǥ 26 2 Video Tutorials for Beginners 2017; Izzy's Locus Ressourcen-Sammlung; Online & Offline; KML/KMZ/KMX Import (POIs/Routen/Bilder), GeoCaching, ANT+ Support
Nautical Charts — OsmAnd (4.3@2,103) 0 $Contains no trackers known to us \o/$ LastUpdate: 2016-12-27 Plugin for OsmAnd
Polaris GPS: Hiking, Offroad (4.2@42,188) Ǥ 14 2
Sailings (4.2@699) Ǥ 5 1
i-Boating:Marine Navigation Maps & Nautical Charts (4.1@9,811) Ǥ 13 1
Ski Map Plugin — OsmAnd (4.1@785) Ǥ 4 $Contains no trackers known to us \o/$ LastUpdate: 2016-12-27
WinGPS™ Marine (4@1,131) Ǥ 17 $Contains no trackers known to us \o/$
AFTrack Sailing Edition (4@131) 14 $Contains no trackers known to us \o/$
C-MAP - Marine Charts (3.8@9,169) Ǥ 32 15 incl. offline maps
Maritime World Ports (3.8@389) Ǥ 7 $Contains no trackers known to us \o/$ LastUpdate: 2016-08-29
Boat Beacon - AIS Navigation (3.8@310; ~EUR 16.00) Ǥ 13 3
MX Mariner - Marine Charts (3.7@702; ~EUR 11.00) Ǥ 10 3
PathAway Outdoor Navigator (3.7@357) Ǥ 17 3 / PathAway LE (Outdated) (4@20; ~EUR 6.50) Ǥ 12 1 / PathAway Express (Outdated) (4@50; ~EUR 20.00) Ǥ 13 1 Record tracks, capture points, create and follow routes, navigate with online maps. Intended for aviation, boating, off-road driving, hiking, cycling, touring, Geocaching, …
KartenWerft NavGo (3.7@128) Ǥ 7 $Contains no trackers known to us \o/$ Karten kostenpflichtig erwerbbar (je ca. 40 Euro, nördliche Hälfte Deutschlands), Nutzung im Offline-Modus (ohne Netz); Navigation, tagesaktuelle RevierInformationen, Push-Meldungen bei wichtigen Ereignissen
OpenCPN (3.6@1,639) 10 3 LastUpdate: 2016-10-03 / OpenCPN (3.8@431; ~EUR 10.50) 10 1
SeaWi Marine (3.5@159) Ǥ 13 $Contains no trackers known to us \o/$
Boating Marine & Lakes (3.4@31,983) Ǥ 22 3
qtVlm Navigation and Weather Routing (3.4@228) Ǥ 14 $Contains no trackers known to us \o/$
Seapilot (3.2@660) Ǥ 11 5
Marine Navigation Lite (2.7@2,138) Ǥ 13 $Contains no trackers known to us \o/$ / Marine Navigation (3.9@390; ~EUR 9.50) Ǥ 12 2
SeaMapDroid (0@0) 4 $Contains no trackers known to us \o/$ LastUpdate: 2019-12-07 Github

Boat log books

2022-05-25

Blue Boat Log - Explore and Track Boating Trips! (4.4@18) Ǥ 19 7
LD-Log Lite - GPS Logger & Travel Diary (4.3@219) 7 $Contains no trackers known to us \o/$ / LD-Log - GPS Tracker & Logbook (4.8@530; ~EUR 9.00) Ǥ 7 $Contains no trackers known to us \o/$ track, waypoints (auto/manual), and more
Mad Mutt Marine GPS Navigator (4@94) 4 $Contains no trackers known to us \o/$ LastUpdate: 2014-09-05 Waypoints, logs, anchor alarm
Sail Expert - Navigation, Instruments, Logs & NMEA (3.8@398) Ǥ 25 2
nke Display (3.8@34) Ǥ 11 3
Nebo - Boat Logging Made Easy. (3.6@286) Ǥ 17 5
Hensa (0@0) Ǥ 12 9

Anchor Alarms

2022-05-25

Sailsafe. Anchor alarm. (4.7@227) 8 $Contains no trackers known to us \o/$ LastUpdate: 2019-04-04
My Anchor Watch (4.6@206) 8 2 LastUpdate: 2020-07-09
Anchor Watch / Alarm (4.4@1,083) Ǥ 9 2 / Anchor Watch Pro / Alarm (4.5@487; ~EUR 6.00) Ǥ 7 1
Anchor Alarm - SailGrib AA (4.2@170) Ǥ 13 3
Anchor Alert (4.1@43; ~EUR 14.00) Ǥ 10 $Contains no trackers known to us \o/$
Anchor watch (4@106) 3 $Contains no trackers known to us \o/$ LastUpdate: 2018-03-25
Anchor Watch (free) (4@76) 14 1 / Anchor Watch (3.1@22; ~EUR 3.00) 11 1

Regatta & Races

2022-05-25

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 / Race Sailing Tack Optimizer Pro Edition (4.5@4; ~EUR 3.25) 3 LastUpdate: 2020-01-15
Sail Racer (3.9@269) Ǥ 15 4 LastUpdate: 2020-02-16
Sailware (Sailboat Racing) (1@26) Ǥ 11 2

Wind, Weather, & Tide

2022-05-25

Windfinder: Wind & Weather map (4.5@48,103) Ǥ 10 5 / Windfinder Pro: Wind & Weather (4.7@10,716; ~EUR 9.00) Ǥ 9 1 Wind, waves, weather & tides worldwide
Weather - Routing - Navigation (4.5@2,165) Ǥ 19 5 / Weather - Routing - Navigation (4.8@1,165; ~EUR 100.00) Ǥ 16 4
My Tide Times - Tables & Chart (4.4@15,295) Ǥ 14 12 / My Tide Times Pro (4.7@1,007; ~EUR 2.00) Ǥ 11 $Contains no trackers known to us \o/$
Windy.app - Wellen & Gezeiten (4.3@81,208) Ǥ 20 15
Météo Marine (4.3@16,410) Ǥ 13 14 coastal forecast for France and Europe
Wisuki (4.3@6,791) Ǥ 13 10
Tide Prediction (4.2@2,383) 3 $Contains no trackers known to us \o/$ LastUpdate: 2020-05-17
Marine Wind Calculator (4.2@144) 0 $Contains no trackers known to us \o/$ LastUpdate: 2017-08-21
SailFlow: Windy Conditions & Forecasts (4.1@655) Ǥ 11 8
MX Tides (3.4@61) 4 $Contains no trackers known to us \o/$ LastUpdate: 2020-01-04 Github

Preparation & tests for boat licenses

2022-05-25

SBF Trainer Binnen Free (5@1) 2 2 LastUpdate: 2017-08-22 / SBF Trainer See Free (4.6@9) 2 2 LastUpdate: 2019-01-10
SBF Binnen, SBF See, BSP, SRC (4.9@5,644) Ǥ 5 $Contains no trackers known to us \o/$
Driving license inland 2017 (4.8@744) 0 $Contains no trackers known to us \o/$ LastUpdate: 2020-08-12 / Driving license sea (4.8@675) 0 $Contains no trackers known to us \o/$ Sportboot-Führerschein für Binnengewässer
SKS Sportküstenschifferschein Trainer Free (4.8@21) 2 2 LastUpdate: 2018-12-30
SBF SKS Sportbootführerschein (4.6@74; ~EUR 2.00) 1 $Contains no trackers known to us \o/$
SBF-Binnen 2021 (4.6@31) Ǥ 5 3
SBF-Fragen | See, Binnen, Funk (4.3@467) Ǥ 2 5 LastUpdate: 2020-10-01
Wassersport einfach lernen (4.2@22) 6 LastUpdate: 2020-11-08
SBF-Teacher (4.1@96) 0 $Contains no trackers known to us \o/$ LastUpdate: 2015-01-19
Bodenseeschifferpatent-Trainer (4.1@70; ~EUR 5.00) Ǥ 3 $Contains no trackers known to us \o/$ LastUpdate: 2018-07-03
SBF Binnen & See 2020 (3.8@20; ~EUR 4.75) 0 $Contains no trackers known to us \o/$ LastUpdate: 2016-09-12
Bootsscheine (2.4@5) Ǥ 9 $Contains no trackers known to us \o/$

Maritime reference books & manuals

2022-05-25

Knots — How to Tie Lite (5@502) Ǥ 8 4 LastUpdate: 2017-03-31
Mariners’ Glossary (4.8@99) 4 4 LastUpdate: 2019-07-25
Marinus ColRegs Lite (4.7@2,186) Ǥ 8 3 LastUpdate: 2018-09-14 / Marinus - Boating rules (5@544; ~EUR 20.00) Ǥ 7 1 LastUpdate: 2016-08-22
Animated Knots by Grog (4.7@1,341; ~EUR 5.50) 3 1 LastUpdate: 2020-05-20
cMate (ColReg, IALA, ICS, SOLAS, LSA, IMO symbols) (4.7@537) 5 $Contains no trackers known to us \o/$
Nautical Flags Helper (4.7@218) 3 3 LastUpdate: 2018-12-26
Seabook (4.6@5,048) 4 $Contains no trackers known to us \o/$ LastUpdate: 2020-08-09
Skipper Directory (4.6@391) Ǥ 4 5 LastUpdate: 2020-10-30
Vessel Lights (4.3@1,970) 0 $Contains no trackers known to us \o/$
IALA Buoy Trainer (4.3@13; ~EUR 1.25) 0 $Contains no trackers known to us \o/$ LastUpdate: 2020-09-28
Useful Knots - Tying Guide (4.2@5,889) Ǥ 4 5
Maritime Dictionary (4.2@825) Ǥ 7 2 LastUpdate: 2020-09-20
Sea Sector – Maritime Courses for Sailors (4.1@1,450) Ǥ 13 9
Safe Skipper Essential Boating Safety (4@99) 9 $Contains no trackers known to us \o/$ LastUpdate: 2017-04-06 / Safe Skipper - Boating Safety (4.3@59) 3 $Contains no trackers known to us \o/$ LastUpdate: 2016-07-01
ColRegs: Navigation Lights & Shapes (4@68; ~EUR 2.75) 1 $Contains no trackers known to us \o/$ LastUpdate: 2019-04-15
Dictionary of Marine Terms (3.6@2,240) 4 1 LastUpdate: 2020-05-24
Nautical Flags (3.6@389) 2 1 LastUpdate: 2018-03-09
SRC Companion Free (3.5@17) 3 3 LastUpdate: 2018-11-10 / SRC Companion Pro (3.5@4; ~EUR 1.00) 1 $Contains no trackers known to us \o/$ LastUpdate: 2019-05-29

Other maritime apps

2022-05-25

SeaHelp (4.9@872) Ǥ 11 6 breakdown service at sea; Croatia, Slovenia, Northern Italy and the Balearic Islands
iBoatCharter (4.8@96) Ǥ 12 6 LastUpdate: 2016-04-02 Adria
SailDroid (4.7@2,027) 7 1
GetMyBoat: Boat Rentals (4.6@1,239) Ǥ 17 3
Nautical Almanac (4.4@1,153) Ǥ 3 $Contains no trackers known to us \o/$
Salvamento Marítimo SafeTrx (4.4@115) Ǥ 16 4 kind of I.C.E. for sailors;
WatchMate (4.1@49) Ǥ 10 3
Fishing Points - Fishing App (3.8@87,483) Ǥ 16 12
Nautical Calculator (3.8@628) Ǥ 12 $Contains no trackers known to us \o/$ / Nautical Calculator Pro (4.7@197; ~EUR 7.50) Ǥ 7 1
easyAIS (3.8@206) 3 $Contains no trackers known to us \o/$ LastUpdate: 2020-07-09
Ships - Receive AIS data from air (3.8@103) Ǥ 15 3 Github
Boating Trip Planner (3.6@12; ~EUR 1.00) Ǥ 4 $Contains no trackers known to us \o/$ LastUpdate: 2016-02-15
Sentinel - your boat, online (3.4@50) Ǥ 14 3 advanced control module for your boat
Mooringo (3.3@49) Ǥ 10 1
canua - für alle Paddler (2.5@223) Ǥ 13 $Contains no trackers known to us \o/$ Vorstellung 4/2019 | 5/2019
BoatMate (0@0) 6 1 Boat maintenance assistant

Further Readings:

Rubrik Navigation
Skipperguide Wiki: Liste nautischer Software
Skipperguide: Android Tools vorgestellt
OpenSeaMap - die freie Seekarte
Bootsnavigation – Die besten Navi-Apps (6/2020)
8 SBF-Lern-Apps für die Segel-Zwangspause (4/2020)
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 - 5/2021)

2022-05-25

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