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Mariners Digest
Mariners Digest
Free · Tue–Sat mornings · for seafarers

Mariners Digest — DG Shipping & IMO news for seafarers, Tuesday to Saturday

Never miss a circular. Five minutes, with what to do.

New DGMA circulars in plain words, IMO and other rule changes before they reach your ship, security alerts for your route and one real safety lesson a day — each item with a What to do line and a link to its source. Filtered to your rank and ship type.

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The Android app is in closed testing (early access) on Google Play. Tap Get it on Google Play and leave the Google account e-mail you use on Play — we add you to the testers and e-mail you the download steps, usually within a day.

18 issues so far
203 items explained
85 from official documents
5 min a morning
Everything is free

Every issue, the rank and ship filter, search across every issue, Saved, My documents and Deadlines. Nothing is locked.

No sign-in needed

Open the page and read. There is no account to create; signing in to CryoSim adds nothing here.

Stays on your device

Your filter, saved items and document dates are kept in your own browser or phone and are not uploaded.

What you get

The seafarer's morning brief, built for ship internet

DGMA circulars in plain words

Every new DG Shipping (DGMA) circular, order and notice we find, read and explained: who it affects, from when, and what to do — with a link to the PDF.

IMO & rule changes

SOLAS, MARPOL, STCW, MLC and code amendments, IMO meeting outcomes and rules coming into force — told before they reach your ship.

Security & safety

UKMTO / JMIC alerts for Hormuz, the Red Sea and the Gulf of Aden, piracy, plus one real safety lesson from an accident report, written as a lesson.

Official or Reported — always clear

Items from the regulator's own document carry an Official badge; trade-press items say Reported. Every item links to its source.

Only what matters to you

Filter by rank (Master to cadet, shore staff too), ship type, country, topic and source, or mute words you never want to see.

Search every issue

Tap 🔍 at the top (or the search box on a computer) and type a circular number, a certificate, a place — results from every issue, newest first, with your words highlighted.

My documents & deadlines

Keep your CDC, passport, CoC, STCW and medical expiry dates on your own device, see days left, and add deadlines to your calendar.

Light on ship internet

Text first, no ads, no sign-in, no tracking pixels. Five minutes a morning, readable on a slow VSAT link. One-tap WhatsApp share for your crew.

Android app · closed testing

Get Mariners Digest on your phone

1

Tap Get it on Google Play and leave the Google account e-mail you use on Play (usually your Gmail).

2

We add you to the testers and e-mail you the link and download steps, usually within a day: open it, tap Become a tester, then install from Google Play. Already a tester? Open on Google Play.

3

Keep it installed and open it daily for 14 days. It helps us release it to everyone. Feedback: admin@cryosim.com.

Questions

Mariners Digest FAQ

Is Mariners Digest free?

Yes. It is free, has no ads and needs no sign-up. Read it in your browser, or in the Android app while it is in testing.

How often is it published?

Tuesday to Saturday, in the morning (India time). Each issue covers what changed since the previous one: new DGMA circulars, security alerts, a safety lesson, port-state control, IMO and other rule changes, and shipping-industry news.

Is it an official DG Shipping or IMO publication?

No. Mariners Digest is independent and is not affiliated with the Directorate General of Shipping (DGMA) or the IMO. It summarises public sources in its own words and links every item to its source — always check the source before acting. It is not legal advice.

Is there an Android app?

Yes — Mariners Digest for Android is in closed testing on Google Play. Tap Get it on Google Play on this page and leave the Google account e-mail you use on Play (usually your Gmail): we add you to the testers and e-mail you the download steps, usually within a day. The app sends one notification when a new issue is out.

Can I see only items for my rank and ship?

Yes. Set your rank, ship type and country in the Filter (and choose topics and sources). Your choice is kept on your own device.

Where is my personal data stored?

Your filter, saved items and document dates stay in your own browser or phone. Mariners Digest has no account and does not upload them.

New here? Read how to use Mariners Digest, step by step — the rank and ship filter, search, Saved and My documents.

More for seafarers on CryoSim

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Independent — not affiliated with the Directorate General of Shipping (DGMA) or the IMO. Mariners Digest summarises public sources in its own words and links every item to its source. Not legal advice.