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TaxTide

SED & residency day counter
Abdulrahman Alotaibi · Finance
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App info

Developer
Abdulrahman Alotaibi
Category
Finance, Utilities
Released
Oct 2, 2026
Version
1.0 (Oct 2, 2026)
Price
Free
Size
1.2 MB
Requires
iOS 17.0
Age rating
4+
Languages
English

In-app purchases

TaxTide Pro — Lifetime$79.99
TaxTide Pro — Yearly$29.99
Current prices, App Store US.
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About TaxTide

A missed SED claim costs £10,000+. An accountant costs £500. TaxTide costs less than an hour of either. TaxTide counts the days your income depends on. Built for seafarers, offshore workers and expats, it calculates your day-count position, forecasts how long you can safely stay, and stores the evidence an enquiry would ask for — entirely on your device. WHAT IT CALCULATES • UK Seafarers' Earnings Deduction (SED): the eligible period, the half rule and the 183-day visit limit, tracked to the day from HMRC's HS205 • 183-day residency counters with UK, Ireland and Australia presets • US Substantial Presence Test with the exact weighted formula • US FEIE Physical Presence Test — including the trap most mariners miss: days over international waters don't count WHY MARINERS TRUST IT • Safe-days forecast: "34 safe UK days remaining" — before you book the flight home • Safe-days alerts: a…
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