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App Store Apps > Reference > ICS Pocket
ICS Pocket icon

ICS Pocket

by Kotaro Nakauchi · Reference · Free
On the App Store since January 2026 · Data updated 2026-11-01

ICS Pocket is made and published by Kotaro Nakauchi. AppBrain is an independent app data site and isn't affiliated with Kotaro Nakauchi. The app name, icon, screenshots and description belong to Kotaro Nakauchi and are shown as published on the App Store.

AppBrain's verdict

Last updated
January 12, 2026
Size
14.9 MB
Official page on the App Store

User feedback

Ratings and reviews on the App Store

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Store listing

By Kotaro Nakauchi, from the App Store
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Screenshots by Kotaro Nakauchi, from the the App Store listing
Description by Kotaro Nakauchi Written by the developer, not by AppBrain. Click to read.
ICS Pocket is a quick-reference app for translating and checking signals from the International Code of Signals (ICS) with a side-by-side Japanese/English bilingual view.

The highlight feature is the flag image keyboard.
You can tap the flags in the same order as they are hoisted—top to bottom—and instantly see the translated meaning. No need to memorize flag names or codes. It’s designed to be practical and easy to use in real situations.

ICS Pocket also includes a built-in dictionary for fast searching, plus helpful reference notes such as general cautions and additional context where applicable. You can view PUB.102 (ICS) inside the app, with search, table-of-contents jumping, and bookmarking. Bookmarks can be exported/imported, so you can keep them even after changing devices.

Free Features
• Translate and check Distress & Emergency signals using the flag image keyboard
• Browse the Distress & Emergency signal list in the dictionary
• Read PUB.102 (ICS) in-app (search / TOC jump / bookmarks, with bookmark export & import)
• Appendix reference: auxiliary signals used by the U.S. Navy and the Russian Navy

Pro (In-App Purchase)
• Access signals from all ICS chapters
• Unlock the full dictionary for all codes
• Reference codes for Medical and Icebreaker use
• Medical code creation wizard (Beta)
• Remove ads
Official page on the App Store

Safety and technology

Found in the app by AppBrain
Price
Free
App size
14.9 MB
Content rating
Medium

Technologies used by ICS Pocket

Releases

Updates seen on the App Store
Version
1.1.0
Launched
January 2026

No changelog data

Alternatives

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Rankings

App Store top charts

App Store Rankings for ICS Pocket

This app is not ranked

About the app and developer

About ICS Pocket

ICS Pocket is a reference app developed by Kotaro Nakauchi.

What is the rating of ICS Pocket?

ICS Pocket has no ratings yet.

Is ICS Pocket free?

ICS Pocket is free. The app size is 14.91 MB. The latest version available is 1.1.0. The last update was on January 12, 2026.

What are the requirements for ICS Pocket?

The app has a content rating of Medium Maturity. The app has been available on the App Store since January 2026.

Developer information for Kotaro Nakauchi

Kotaro Nakauchi

Address:

Frequently asked questions about ICS Pocket

Is ICS Pocket free?

Yes. ICS Pocket is free on the App Store.

Is ICS Pocket still available?

Yes. ICS Pocket is on the App Store, and the last update we saw was on January 12, 2026.

How large is ICS Pocket?

ICS Pocket is 14.91 MB.

Is ICS Pocket suitable for children?

App Store gives ICS Pocket a medium maturity rating, so it is not meant for young children.

Who made ICS Pocket?

ICS Pocket was developed by Kotaro Nakauchi. It is listed in the reference category on the App Store.

What are the best alternatives to ICS Pocket?

People looking at ICS Pocket also look at these reference apps: Signal Deck: ICS Flag Trainer, RadarPlot: Radar Plot Trainer, CA'Sim, Master-Nav: COLREGS IALA Tests, Nautical Ship Flags.

Share ICS Pocket

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Signal Deck: ICS Flag Trainer icon Signal Deck: ICS Flag Trainer
RadarPlot: Radar Plot Trainer icon RadarPlot: Radar Plot Trainer
CA'Sim icon CA'Sim
Master-Nav: COLREGS IALA Tests icon Master-Nav: COLREGS IALA Tests
Nautical Ship Flags icon Nautical Ship Flags
Nautical Flags Helper icon Nautical Flags Helper
MorseFlash Generator icon MorseFlash Generator
Maritime Academy: ICS Flags icon Maritime Academy: ICS Flags
Overview Alternatives Reviews Rankings Technology
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