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Seafarers Tax Calculator

Seafarers Tax Calculator

Track Sea Days for SED Claims

0 ratings
2 reviews
💰 Finance
Free
In-App Purchases

Details

  • Released
  • Updated
  • March 10, 2026
  • June 16, 2026

Features

Developer

william cardno
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iphone
ipad
🧾$2.99 - $24.99
In-App Purchase↘︎
⭐2
Reviews↘︎
❓8 answered
FAQ↘︎
📦~ in 3 weeks
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About

Easily track your sea days and calculate your Seafarers Earnings Deduction (SED) position. Avoid missing deadlines and ensure your claim is valid with real-time updates and smart reminders. Built for offshore workers, it eliminates guesswork and spreadsheet management.

✓Track voyages and holidays
✓Automatic qualifying day calculation
✓Offline functionality
✓Days in Hand (DIH) tracking
✓Fail date prediction
✓HMRC-ready record export (CSV/PDF)
✓Smart reminders
✓Document storage
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What's New in Seafarers Tax Calculator

1.0.127

June 16, 2026

This update improves backup guidance and data protection messaging throughout the app. What's new: improved backup and restore guidance, Added backup reminders before exporting data, Enhanced data protection messaging for users changing devices, General stability improvements

More

Subscription plans

Premium Monthly

Unlock exports. reminders and SED tracking tools

$2.991 Month
How to cancel Seafarers Tax Calculator subscription ⁉️

User reviews

Most RecentHighest RatedLowest Rated

Expensive for all the features

Expensive app for what it does can save you money but better apps out there that do more.
kevrovkevrov

A must have!

Brilliant app, a must have for UK seafarers, exports easily to PDF or CSV. Accurate and unlike other apps, tells you your predicted fail date so you can plan ahead.
Full support from the creator also.
Archie074Archie074

Response from developer

Thanks for the great feedback, Archie — really glad the app is helping. More improvements planned for future updates 👍

FAQ

What is Seafarers Tax Calculator used for?

Seafarers Tax Calculator helps you track your sea days and calculate your Seafarers Earnings Deduction (SED) position. It aims to prevent seafarers from realizing they are short on qualifying days too late in the tax year.

How does Seafarers Tax Calculator calculate qualifying days?

The app automatically calculates your qualifying days based on the voyages and holidays you log. This eliminates manual calculations and guesswork, providing real-time insights into your SED claim status.

Can I use Seafarers Tax Calculator offline?

Yes, Seafarers Tax Calculator is designed to work fully offline, making it perfect for offshore environments where internet connectivity may be unreliable. You can log voyages and check your status without needing a signal.

What are the premium features of Seafarers Tax Calculator?

Premium features include tracking Days in Hand (DIH), Fail Date prediction, exporting reports, smart alerts, and extra document storage. These features offer more advanced insights and proactive management of your SED claim.

Does Seafarers Tax Calculator have ads?

No, Seafarers Tax Calculator does not contain advertisements. The app is free to download and use, with optional premium features available through in-app purchases.

What devices does Seafarers Tax Calculator support?

Seafarers Tax Calculator is available for iPhone, iPad, and iPod. It is designed to be compatible with Apple's mobile operating systems.

How often is Seafarers Tax Calculator updated?

The app was last updated on June 16, 2026, with version 1.0.127. This indicates regular maintenance and potential feature additions by the developer.

Is Seafarers Tax Calculator suitable for children?

Seafarers Tax Calculator has an age rating of 4+. While the app's functionality is for adults managing tax claims, the rating suggests no inappropriate content for younger users.