My Maritime vs Good Margin
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
My Maritime
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We have made it even easier to register your seagoing service, based on the principle of sign-on and sign-off. Afterwards You can document it by uploading a picture of your discharge book, or request a statement of seagoing service. You can monitor your development in meeting the requirements, for renewal and upgrade of your current certificates, and we will recommend certificates to You, based on your exams and courses. You can view and share all your certificates with the shipping company, for You to securely provide them access to an automatically updated overview, saving you the trouble of sending copies by mail. Sharing can be time limited and stopped at any time. Of course, My Maritime also works offline, so You do not have to worry if You do not have internet available. We hope that with this app, You have everything You need as a seafarer, right at your fingertips, while You are at sea.
Good Margin
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Good Margin is a margin calculator for retailers who price physical products across currencies. Cost in one currency, sale in another, with VAT, freight, and duties handled for you — all flowing into one number you can trust. Each product is a card in your wallet. Type the numbers, see the margin in big, colour-coded numerals. Costs change, the FX rate shifts, and you bump retail by ten euros — the margin updates live. — What's inside — • Live FX rates from the European Central Bank, cached for offline use • 23 currencies — pick the ones you actually use • VAT, freight % of cost, duties % of cost+freight — handled automatically • Wholesale price auto-derived from retail and your markup (or vice versa) • A breakdown dial showing exactly where each unit of retail goes: cost, freight, duties, VAT, margin • Price-sensitivity slider: drag to see what a different retail price would do to your margin, then commit it with a tap • Colour-coded margin tiers you set yourself — red, yellow, grey, green • Syncs across your iPhone, iPad, and other devices via iCloud — Built for — • Independent designers and brand owners • Buyers and merchandisers • Wholesalers • Anyone pricing across currencies who's tired of spreadsheets — Private by design — No account, no login, no tracking, no ads, no in-app purchases. The only network call is to fetch FX rates from a public ECB endpoint. Your numbers never leave your devices except via your own iCloud account.
Screenshots
Verdict
The clearest difference is price: My Maritime at Free against Good Margin's $4.99. My Maritime also leads on iOS requirement (12.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
My Maritime is free to download; Good Margin costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | My Maritime | Good Margin |
|---|---|---|
| Price | Free — better | $4.99 |
| Update frequency | Monthly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 85 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Søfartsstyrelsen | Chronicle Deluxe AB |
In-app purchases
My Maritime
No in-app purchases
Good Margin
No in-app purchases





