Tax-residency & visa days — with proof.
A sojourn is a temporary stay or a brief period of residence in a place that is not your home.
Count what counts in every country — then export a verifiable, audit-ready record only Sojourn can produce.
S O J O U R N . T A X
AI agent included — a first
Track the days that decide your tax residency — and your visa limits.
Export a record you can prove — and hand to a tax authority.
Stay on the right side of the rules, in every country.
The scale of it
Every one of them carries a day count they may not be tracking — and a tax authority somewhere that can ask for it. Cross a line by a week and you can owe a second country a full year of tax: trivial to keep as you go, almost impossible to reconstruct under audit.
people living outside their country of birth — worldwide, 2020
the day count most residency tests turn on
over the line can cost a full year of tax
Source: UN DESA, International Migrant Stock 2020 — ~281 million international migrants.
Residency cases are decided on days and proof of days. Four from the public record:
Prosecutors argued she spent more than 183 days a year in Spain across 2012–2014 while officially resident in the Bahamas. She settled: a €7.3 million fine on top of the back taxes and interest already paid.
NPR →For the 2011 year, a court acquitted her and ordered roughly €55 million in taxes and fines repaid — the authority could prove only 163 days in Spain, twenty short of the threshold. The count decided the case in both directions.
CNN →A businessman who counted his days carefully and stayed under the limit — and still lost a £30 million dispute in the Supreme Court, because he never made a “distinct break” from the UK. Days matter; so does the rest of the record.
UK Supreme Court →New York State opens thousands of residency audits a year, aimed squarely at professionals who moved to Florida or Texas. Any part of a day in the state counts as a full day — and the burden of proving where you were falls on you.
Residency-audit guide →Every one of these turned on the same question: where were you, and can you prove it? Sojourn exists so the answer is a record, not a memory.
Public cases, reported figures. Sojourn summarises them for context; nothing here is tax advice.
Background geofencing detects when you arrive in a tracked country and prompts you to confirm. You log departures yourself — Sojourn never logs a stay without you.
PDF and CSV with your identity, a signed checksum, and chain-of-custody. Show your tax advisor or a tax authority.
The same engine tracks your Schengen 90/180 budget and per-entry visa day-limits for popular long-stay countries — a hard-limit countdown that warns you before an overstay, with the earliest date you can safely re-enter. Informational — always confirm with the country's immigration authority.
Securing your UAE Tax Residency Certificate, or chasing Portugal's NHR, Spain's Beckham Law or the Cyprus 60-day rule? Count up to qualify your new country and down to stay clear of your old one. See the regimes →
Tell it where you went. It logs the stay, extracts notes from your prompt, and confirms before saving. Pro
Track several jurisdictions at once. See dual-residency banners when treaty tie-breakers may apply. Pro
States audit too — New York alone runs thousands of residency audits a year. Track days in all 50 states + DC alongside countries: day-count states like New York and their 183-day tests flagged, official sources linked, same audit-ready record. Pro
Map an upcoming trip before you book. See how the days land against the limit — and whether you'll qualify or cross it — while you can still change plans. Pro
Snap a boarding pass or a geotagged photo. Sojourn reads the date and country, logs the stay, and attaches the image as proof — never auto-written, always your call.
Snap a photo — or drop a screenshot of a mobile boarding pass — and Sojourn's AI reads the flight: airports, dates, times, airline. It works out the countries you left and entered, prefills the arrival, and closes the trip you just left. You just confirm. The fastest way to log.
Changing phone? Export an encrypted backup of every stay, document, and evidence photo — passphrase-protected, on your device — and restore it on the new one in minutes.
The same short walkthrough you'll see the first time you open the app.
Your name and date of birth go on every export — that's what makes your record proof.
Scan your passport to fill your details, and import a CSV — or an Excel or airline-roster PDF on Pro — so your record starts full.
We track the country you gave as your residence. No guessing which one to follow — change it any time.
Days used against the limit, with a status pill the moment you get close. Some rules you stay under; others you reach.
Add stays by hand, by voice, or by photo of a boarding pass. Sojourn keeps the count.
Pick your dates and countries and export an audit-ready PDF only Sojourn can produce.
Most trackers only count days climbing toward a ceiling. But a UAE residency is the opposite — you must reach a floor. Sojourn reads both correctly, so a tile that says “Behind” means what it should.
Stay under. Days climb toward a ceiling.
Reach the floor. Keep going to qualify.
Five screens out of the dozens that make up Sojourn.
No cold start
Most trackers start you at zero and make you retype years of travel from memory. Sojourn imports what you’ve already kept — so your history is there from day one, not slowly rebuilt.
A stays spreadsheet from anywhere — a competitor app, your accountant, or a list you kept yourself. Drop it in and your log fills.
Tracked your own travel in Excel? Bring the .xlsx straight in — no converting, no crew required. The same free path as CSV.
Fly for a living? Drop your roster — Excel or PDF — and Sojourn reads every leg and works out the country each one leaves you in.
A real Sojourn export — your identity, every stay, and a signed SHA-256 checksum only Sojourn can produce.
View the full sample export →Sample document — the identity and stays shown are illustrative. See both reports →
Because day-counting only matters if the rules are right, your country is covered, and the record keeps up with the world.
RULES, MONITORED
Every month Sojourn checks every verified country's tax-residency rule against the official source. If something has changed — a threshold, a transit rule, a fiscal-year date — your app updates and your inbox gets a one-paragraph plain-language summary of what's different. Nothing happens silently.
EVERY COUNTRY
Over 100 countries ship with built-in tax-residency rules, and every one of the world's 249 countries and territories is selectable. For anything not yet built in, you configure the rule yourself — day limit, window type, fiscal year — and Sojourn behaves exactly the same. The Filipino seafarer, the Brazilian flight attendant, the Indonesian cruise hand, the resident of Aruba or Curaçao: all covered from day one.
ALWAYS GROWING
The verified list grows every month. Submit a country at suggestion@sojourn.tax with a link to the official source and a verified rule is reviewed within 7 days. The list of supported jurisdictions is published on our country rules page.
and how Sojourn handles them.
before you decide.
No. Sojourn is a record-keeping tool, not a tax advisor. It builds the audit-ready document your accountant or a tax authority needs — what you do with that record is between you and your professional.
Every country is supported. Over 100 countries ship with built-in rules and all 249 are selectable — the built-in list grows every month. For anything not yet built in, you configure the rule yourself (day limit, window type, fiscal year) and Sojourn behaves the same as for the curated ones.
Yes. CSV export is free forever. PDF export — the audit-ready document with identity, signature, and SHA-256 checksum — is included on Pro.
Never. Everything stays on your device. The app doesn't even have a server — your stays are tracked locally, the geofence runs locally, the AI is the only outbound call and only when you choose to ask it something.
Two things. Log a stay by voice ("I just left the Netherlands") and explain how the rules in your tracked countries work. Nothing else — never tax advice, never your stay history. Read the AI commitments.
Yes — in-app, anytime. Pro unlocks multi-country tracking, PDF exports, the AI assistant, and unlimited supporting documents. Switch back to Free at any time too; your records stay yours.
Sojourn Technologies L.L.C-FZ, based in Dubai. Built by people who take residency seriously — for people who do too.
Free forever for one country. Pro unlocks more countries, audit-ready PDFs, and the AI assistant.
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Sojourn has a referral programme. Refer the people who count their days like you do — and earn free years of Pro.
1
Every ambassador has a personal referral code. Share it with the colleagues, crew, or clients who need to prove their days too.
2
When someone subscribes to Sojourn Pro using your code, it counts. Only paid subscriptions count — nothing else, no gimmicks.
3
Every ten paid referrals earns you a full year of Pro, on us. It repeats — twenty earns two years — with no cap.
Ten paid referrals → one free year of Pro. Repeatable, forever.
Already using Sojourn? Request your ambassador code right from your account in the app — you get it immediately. Not on Sojourn yet? Tell us here and we'll set you up.
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