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Android Apps > Education > Seabook
Seabook icon

Seabook

by Ozgur Dogan GUNES · Education · Free
On Google Play since September 2013 · Data updated 2026-10-25

Seabook is made and published by Ozgur Dogan GUNES. AppBrain is an independent app data site and isn't affiliated with Ozgur Dogan GUNES. The app name, icon, screenshots and description belong to Ozgur Dogan GUNES and are shown as published on Google Play.

AppBrain's verdict

EstablishedWell rated
Rating on Google Play
4.20
4,662 ratings
Installs
710 thousand
Last updated
April 11, 2026
Ads
Contains ads
Size
59.9 MB

Seabook has 710 thousand installs. Users rate it well: 4.2 stars from 4,662 ratings.

Official page on Google Play

User feedback

Ratings and reviews on Google Play

Comments on Seabook for Android

★★★★★ Dexter Taganas · Sep 18, 2025
This application is very helpful to a seafarer specially to officer...but like more update to be ome master that should I cannot open please udggrace my sea book app
★★★★★ john erick Gaid · Nov 20, 2020
Very useful reference for seafarers and aspiring seafarers.
★★★★★ naman sharma · Nov 12, 2021
It has helped me every day and year to learn and maintain my knowledge, thanks to the creator 😃
★☆☆☆☆ vijay varadkar · May 13, 2025
Hello team, I want to purchase your master subscription, but I can't buy, because this massage is showing 👇 (this app isn't available for your device because is was made for an older version of Android) I hope you guys solve this problem
★★☆☆☆ G.s. Mahesh · Jun 18, 2024
Don't know about the complete app as I removed it immediately after seeing the lights and shapes section. 2 minutes I spent on the app I found the following 1. Trawling spelling itself is wrong 2. Trawling and fishing lights are given as 'underway' and 'not underway'. Completely wrong.
★☆☆☆☆ Bharat Kapoor · Jun 21, 2020
Really a great application... But whenever click on any option. It's showing upgrade option... You guys are forcing us to buy your so-called "Master" / "pro" Application version. So cheap... Shame on you guys.... Too many obstructions (advertisement) while running the app.

Google Play Rating history and histogram

3.3K
400
130
130
660

Store listing

By Ozgur Dogan GUNES, from Google Play

“Seabook Maritime is a freeware handbook application for all Seafarers!”

Seabook Screenshot 1 of 8
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Screenshots by Ozgur Dogan GUNES, from the Google Play listing
Description by Ozgur Dogan GUNES Written by the developer, not by AppBrain. Click to read.
Seabook is an information and knowledge source for marine professionals, sailors as well as sea enthusiasts.

This easy-to-use, accessible-offline mobile app serves as a reference tool for key elements of Ship stability, Navigation, Shipmanagement, Shipboard Safety, COLREG and Marine engineering, and is designed for seafarers, cadets, maritime students and master mariners alike.

Seabook contains details on;

COLREG (International Regulations for Preventing Collisions at Sea)
GMDSS (Global Maritime Distress and Safety System)
Marine Meteorology
Shipboard Safety
Personal Health
International Code of Signals
Shipmangement & Business
Marine Engineering
Navigation at Sea
Ship Stability
Ropework
Country Flags
Knots

Developed by
Capt. Ozgur Dogan GUNES
www.ozgurdogangunes.com
Official page on Google Play Also on the App Store

Safety and technology

Found in the app by AppBrain
Ads
Contains ads
Price
Free
Libraries
18
App size
59.9 MB
Needs Android
7.0+
Content rating
Everyone

Technologies used by Seabook

26 permissions · 18 libraries
Subscribe to see full permission and library details

Releases

Updates seen on Google Play
Version
4.0.0
Launched
September 2013
  • Apr 11, 2026UpdateVersion 4.0.0
  • Aug 12, 2020UpdateVersion 3.1.0
  • Jul 29, 2020UpdateVersion 3.0.3
  • Jun 13, 2020UpdateVersion 3.0.2
  • Apr 21, 2020Installs500,000+ installs
Show all changes Show fewer

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Also available on the App Store

Seabook Maritime icon Seabook Maritime
Ozgur GUNES
4.5
Free
19 ratings

Installs

Tracked by AppBrain
Last 30 days
2.4 thousand
Per day
80
30-day average
Play install range
500+ thousand
Launched
September 2013

Installs over time

Seabook has been installed 710 thousand times. Over the past 30 days, it averaged 80 installs per day.

Rankings

Google Play top charts

Google Play Rankings for Seabook

This app is not ranked

About the app and developer

About Seabook

Seabook is an education app developed by Ozgur Dogan GUNES.

How many times has Seabook been installed?

Seabook has been installed 710 thousand times. In the last 30 days, the app was installed 2.4 thousand times.

What is the rating of Seabook?

Seabook is rated 4.20 out of 5 stars, based on 4.7 thousand ratings.

Is Seabook free?

Seabook is free. The app size is 59.89 MB. The latest version available is 4.0.0. The last update was on April 11, 2026.

What are the requirements for Seabook?

Seabook requires Android 7.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play since September 2013.

App Performance Report

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Developer information for Ozgur Dogan GUNES

Ozgur Dogan GUNES

Ahoy@SeabookApp.com

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Share Seabook

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ColRegs: Rules of the Road icon ColRegs: Rules of the Road
Marine Traffic Ship Finder icon Marine Traffic Ship Finder
COLREG 72: Rules of the Road icon COLREG 72: Rules of the Road
Overview Alternatives History Reviews Rankings Technology
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