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Last updated on: 2026-05-24
Android Apps > Maps & Navigation > Sailings
Sailings icon

Sailings

1.21
Navigational Algorithms
4.00
712 reviews
100,000+
Downloads
Free

Great Circle and Rhumb line routes

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About Sailings

Sailings is a maps & navigation app developed by Navigational Algorithms.

How many times has Sailings been downloaded?

Sailings has been downloaded 210 thousand times. In the last 30 days, the app was downloaded 50 times.

What is the rating of Sailings?

Sailings is rated 4.00 out of 5 stars, based on 710 ratings.

Is Sailings free?

Sailings is free to download. The APK download size is 2.90 MB. The latest version available is 1.21. The last update was on April 9, 2025.

What are the requirements for Sailings?

Sailings requires Android 4.4+ or higher. The app has a content rating of Everyone. The app has been available on Google Play May 2015.

Description
Sailing is a method of solving the various problems involving course, distance, difference of latitude, difference of longitude, and departure.

The app plots on a Google map the route between a departure and a destination point, using the following sailings:
- Rhumb line (loxodromic).
- Great Circle (orthodromic).
And calculates:
- Course & distance.
- Waypoints of the great circle route.
- Save between Rhumb line and Great Circle route.
- Nodes and vertices of the Great Circle.

It also plots the entire Great Circle.

OPERATION
1 - Long click 1: adds the departure point
2 - Long click 2: adds the destination point and plots RL & GC
3 - Tap the Mark to see the information
4- [Output]
- GC course C and distance D
- Save between RL & GC
- Waypoints of the GC route
- Vertices and nodes of the GC

WARNING not for live navigation. Sailings App is a useful calculator for navigation.

User interface:
- Zoom buttons +/-
- Map types: normal, terrain and satellite
- GPS location. ("Location" App permission must be allowed. Switch on you GPS, and then automatic location detection is possible).

See App help for more details.

Recent changes:
Upgraded to:
Android SDK 36
'com.google.android.gms:play-services-maps:19.1.0'
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More data about Sailings

Price Free to download
Total downloads 210 thousand
Recent downloads 50
Rating 4.00 based on 710 ratings
Ranking Not ranked
Version 1.21
APK size 2.90 MB
Number of libraries 15
Designed for Android 4.4+
Suitable for Everyone
Ads NO ads

App Performance Report

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Sailings compared with similar apps

Keywords that only this app has

Great Gc Sailings Rhumb Departure Plots Point Difference Destination Save Nodes Vertices Click Adds Rl

Common keywords of similar apps

Circle App Route Line Distance Location Map Waypoints Long Navigation Gps

Keywords missing from this app

Sailing Routes Speed Weather Nautical Time Position Current Solves Maps Compass Features Https Recent Marine Charts Track Waypoint Problem Radius Premium Displays Plan Google Data Gpx Share Calculate Information Touchtrails Press Planning Target Tap Sailfreegps Routing Application Follow Support

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Google Play Rating history and histogram

380
110
54
0
110

Downloads over time

Sailings has been downloaded 210 thousand times. Over the past 30 days, it has been downloaded 50 times.

Changelog of Sailings

  • Apr 9, 2025UpdateVersion 1.21
  • Jul 16, 2024UpdateVersion 1.20
  • Dec 19, 2023UpdateVersion 1.19
  • Nov 7, 2023UpdateVersion 1.18
  • Aug 21, 2023UpdateVersion 1.15
  • Mar 7, 2023UpdateVersion 1.14
  • May 31, 2022UpdateVersion 1.12
  • May 7, 2020UpdateVersion 1.10
  • Apr 6, 2020UpdateVersion 1.7
  • Jan 8, 2020UpdateVersion 1.6
  • Dec 2, 2019UpdateVersion 1.3
  • Jan 10, 2018CategoryMoved from Travel & Local to Maps & Navigation
  • Jan 1, 2018UpdateVersion 1.2
  • Nov 17, 2017Installs100,000+ installs
  • Jan 31, 2017Installs50,000+ installs
  • Jul 22, 2016UpdateVersion 1.1
  • Apr 14, 2016Installs10,000+ installs
  • Feb 12, 2016Installs5,000+ installs
  • Oct 5, 2015Installs1,000+ installs
  • Aug 8, 2015Installs500+ installs
  • Jun 13, 2015Installs100+ installs
  • Jun 6, 2015Installs50+ installs
  • May 23, 2015Installs10+ installs
  • May 19, 2015New AppVersion 1.0 in TRAVEL_LOCAL for Free
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Developer information for Navigational Algorithms

Navigational Algorithms

navigationalalgorithms@gmail.com

Website

N/A

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Comments on Sailings for Android

★★★★★ A Google user · Oct 12, 2018
Use this app whenever it required gps offline to travel from province to province through open sea. Excellent app please maintain it.
★☆☆☆☆ HM · Jul 18, 2020
When u have a waypoint and do navigate to it, it brings you to google map!!!

Google Play Rankings for Sailings

This app is not ranked

Technologies used by Sailings

Sailings is requesting 6 permissions and is using 17 libraries.

Permissions

Your location
approximate (network-based) location, precise (GPS) location
Network communication
view network connections, full network access
Your accounts
read Google service configuration
Extra
com.Sailings.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

Ad network libraries

None found

Social libraries

None found

Development tools

Android Jetpack core Android Library IconAndroid Jetpack core Android Architecture Components Android Library IconAndroid Architecture Components Android Jetpack VersionedParcelable Android Library IconAndroid Jetpack VersionedParcelable Firebase Android Library IconFirebase Android Jetpack Annotations Android Library IconAndroid Jetpack Annotations Android Jetpack Widgets Android Library IconAndroid Jetpack Widgets Android Jetpack AppCompat Android Library IconAndroid Jetpack AppCompat AndroidX Activity Android Library IconAndroidX Activity Android Activity Saved State Android Library IconAndroid Activity Saved State AndroidX Loader Android Library IconAndroidX Loader Android Transition Support Library Android Library IconAndroid Transition Support Library Android Support Library collections Android Library IconAndroid Support Library collections Android Support VectorDrawable Android Library IconAndroid Support VectorDrawable AndroidX Cursor Adapter Android Library IconAndroidX Cursor Adapter Google Maps SDK Android Library IconGoogle Maps SDK
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