Tax Days: Residency Tracker

Automatic background tracking or manual entry, your choice. Audit-ready PDF and CSV export. $19.99 a year, and your location never leaves your iPhone.

Do you know how many days you've spent in each state this year? Your tax bill depends on it.

Tax Days tracks your days against the residency rules that matter, so you always know exactly where you stand. Track automatically in the background, or log trips by hand. Either way the app does the math across US states, the federal Substantial Presence Test, Schengen 90/180, the UK Statutory Residence Test, and more.

AUTOMATIC OR MANUAL, YOUR CHOICE Turn on auto-tracking (Pro) and Tax Days detects trips in the background using battery-efficient location monitoring, then proposes them for you to confirm. Prefer to keep location off? Log trips by hand in seconds. Either way your location history stays on your iPhone. No accounts, no servers, nothing to hand over.

AUDIT-READY RECORDS Export a per-jurisdiction PDF summary or a CSV trip log for any year, ready to hand to your accountant.

HOW IT WORKS

1. Choose your jurisdictions from 254 countries, states, and regions
2. Log your trips — arrival date, departure date, and where you went
3. See your status instantly — progress bars show how close you are to each threshold
4. Get warned before you cross a line — notifications alert you at 30, 14, 7, 3, and 1 days out

FEATURES • Automatic background trip detection, or manual entry (Pro) • Audit-ready PDF summary and CSV trip log export • Real-time dashboard with rule status across all your jurisdictions • Interactive calendar — see your entire travel year at a glance, tap dates to add trips • US state rules: NY 184-day + abode, CA 9-month safe harbor, and all 183-day states • Federal Substantial Presence Test with full 3-year weighted calculation • Schengen 90/180 rolling window tracker • UK Statutory Residence Test (April–April tax year) • Year-over-year stats and jurisdiction breakdowns • Search across all your trips and jurisdictions • iCloud sync across all your devices • Trip conflict detection — overlapping trips flagged automatically • 100% private — no servers, no accounts, data stays on your device

WHO IS THIS FOR? • Snowbirds splitting time between New York and Florida • Remote workers hopping between states without realizing the tax consequences • Frequent international travelers tracking the Substantial Presence Test • Digital nomads watching their Schengen days • Expats who need to know where they stand • Anyone whose accountant said "you need to start tracking your days"

WHY TAX DAYS? A single state tax filing mistake can cost thousands. One consultation with a tax attorney costs $300–$500. Tax Days Pro costs $19.99 for the entire year.

Know exactly where you stand.

TAX DAYS PRO Unlock all features with Tax Days Pro. Start with a free 7-day trial on the annual plan.

• Monthly: $2.99/month • Annual: $19.99/year (Best value — includes 7-day free trial)

Payment will be charged to your Apple ID account at confirmation of purchase. Subscription automatically renews unless canceled at least 24 hours before the end of the current period. Account will be charged for renewal within 24 hours prior to the end of the current period. Manage or cancel subscriptions in your Account Settings after purchase.

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