One wrong border crossing can trigger a tax bill. TaxDays makes sure that never happens. If you split your year between countries, the difference between 182 days and 183 can cost you thousands. TaxDays tracks every crossing with precision, runs the calculations automatically, and warns you before you breach a residency threshold — not after. Built for people who live differently · Digital nomads managing 90-day visa windows · US expats monitoring the Substantial Presence Test · Colombia residents tracking their 183-day rolling window · Mexico residents navigating calendar-year rules What TaxDays does · Logs every entry and exit — date, time, airport, airline, flight number · Calculates your running day counts in real time, per country · Shows your exact risk level before you make your next move · Warns you before you cross a threshold, not after · Visualises your full travel history on an interactive world map · Exports a complete travel log your accountant can actually use The math is harder than it looks The US Substantial Presence Test isn't simple addition — it's a weighted formula across three calendar years. Colombia uses a rolling 365-day window, not a calendar year. Mexico counts days differently depending on your US treaty status. TaxDays does all of this correctly, automatically, every time you open the app. Your data, always with you Syncs across iPhone and iPad via iCloud. Export your full history as a JSON file. Works completely offline — no account required to get started. Try free for 2 weeks. Then $17.99/year. Less than $1.50 a month for travellers who can't afford to guess. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Finance · iPhone, iPad · Free
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