SeaProof - your Sailing App app icon

SeaProof - your Sailing App

Light and sound Signals, NATO Alphabet, Way Rules, Maneuver

Cribster · biz.cribster.seamen

Not rated yet 5K+ downloads v2.9.0 87.5 MB Android 7.0+ PEGI 3 · Everyone

Download APK 87.5 MB All versions
  • Signature matches the Google Play version Details

At a glance

Latest version
v2.9.0 (2902)
Updated
Feb 2, 2026 (8 months ago)
APK size
87.5 MB
Requires
Android 7.0+ (API 24)
CPU support
ARM 32-bit, ARM 64-bit
Graphics
OpenGL ES 2.0+
Category
Sports (app)
Listed since
Apr 26, 2021 (at least)
Permissions
17 (3 sensitive)
Website
seaproof-app.com
Developer contact
[email protected]
Privacy
Developer's privacy policy

About this APK

SeaProof - your Sailing App is an app by Cribster in the Sports category, listed since at least April 2021. It includes native code for ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 2.6, the minimum Android version rose from 6.0 to 7.0. It asks for 17 permissions, 3 of them sensitive: record audio, read shared storage and modify shared storage. It asks for the same permissions as version 2.8.1. The app offers in-app purchases through Google Play and can read the advertising ID that ad and analytics services use.

What's new in v2.9.0

Bugfixes, Maintenance

Description

From the listing uploaded by “appupdater”.

Ahoy mighty sailor! Are you ready for your next sailing trip? Learning the basics of seamanship and sailing is easy. Start now with sailing basics and become an expert! Download the SeaProof Learning and Gaming App. Whether on the high seas or in the harbour – do you know the light and sound signals and the right of way rules? Seaproof - Your Sailing & Boating App prepares you for tests and actual seafaring. Recognize objects and the direction they are moving in, understand the different sound signals, quickly decide on way rules in all kinds of situations and challenge yourself with Maneuvers in different scenarios. Learn the basic sailing rules and sharpen your instincts, so that you quickly make the right decisions out at sea. Check out the SeaProof - Your Sailing & Boating App for free! We have compiled three packages of different vessels, basic and advances sound signals, with all the important right of way rules and critical scenarios for Maneuvers. With a multitude of possible combinations, you're sure to get enough sailing practice. With the new subscription you can enjoy all the content. Upcoming game modes are automatically included and you will support our ongoing development. Tell us what you want to see! The lessons and examples are based on the International Regulations for Preventing Collisions at Sea (COLREG) PS. if you want some cool Sailing T-Shirts as gift for your sailing friends or just for your next sailing trip, visit our Shop from inside the app and grab all the great SeaProof merch!!! Don’t hesitate! Get on board with SeaProof - Your Sailing & Boating App!

Version history

4 versions are listed, going back to v2.6. Since v2.8.1 it requires Android 7.0+.

v2.9.0 LATEST Feb 2, 2026 87.5 MB TRUSTED v2.8.1 Sep 30, 2025 87.3 MB TRUSTED v2.8 Jul 31, 2025 92.6 MB TRUSTED v2.6 Jun 4, 2024 80.2 MB TRUSTED

All 4 versions

Security & authenticity

Security rating: Trusted

Signing certificate

  • Signature matches the Google Play version Checked by the source store on Feb 2, 2026.
  • Certificate issued to “Cribster UG” This is the certificate of the Google Play version.
  • Same certificate as the 3 other versions checked

Store checks and file details

  • Developer signature verified Feb 2, 2026
  • Validated against Google Play Feb 2, 2026
  • Signed byCN=Janos Kovats, OU=Unknown, O=Cribster UG, L=Munich, ST=Bavaria, C=DE
  • Signing certificate (SHA-1)29:44:38:AB:68:A0:A5:2B:F3:21:D5:37:70:59:D0:34:E1:6C:CD:ED
  • File MD587db82921066ccb4e8b01640904e3028
  • Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (3 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (17)

SeaProof - your Sailing App requests 17 permissions, 3 of them sensitive.

Required hardware & features

SeaProof - your Sailing App APK: questions and answers

Is there a version of SeaProof - your Sailing App for older Android phones?

The current version needs Android 7.0 or later. Version 2.6 is the newest listed build that installs on Android 6.0 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 2.6 · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is SeaProof - your Sailing App free?

The APK is free to download, but the app offers in-app purchases through Google Play.

Is the SeaProof - your Sailing App APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 3 other versions checked. After downloading, check that the file's MD5 is 87db82921066ccb4e8b01640904e3028.

Tags

cribster seamen sports seaproof

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