ResidencyProof
Stay under tax thresholds
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
The difference is one day.
Uncle Sam deciding you were here long enough. California deciding you never really left. A surprise residency finding that shows up on the wrong side of a 183-day count.
It all comes down to a count—and most people are doing it in a spreadsheet. One forgotten trip. One date entered wrong. That spreadsheet lies to you, and you won't know until an auditor, a tax preparer, or a state revenue department asks you to prove it.
ResidencyProof turns the location data you already have into a day-by-day timeline, runs the real math for the rules that actually govern your status, and tells you exactly where you stand—not where you think you stand.
Built-in compliance goals for ten of the most common rules.
Preset-driven targets so you're not guessing which formula applies:
• US Substantial Presence Test: weighted 3-year formula for US tax residency
• US State Tax Residency: day-by-day count per state to defend a domicile change from California, New York, or any state that chases former residents
• Schengen 90/180: protect your short-stay budget across 29 countries
• Canada PR Obligation: 730 days in any 5-year rolling window
• Canada Citizenship: 1,095 days in any 5-year rolling window
• Australia Resident Return Visa (Subclass 155): 730 days / 5 years
• US Naturalization (Standard): 913 days in a 5-year lookback
• US Naturalization (Spouse path): 548 days in a 3-year lookback
• New Zealand Permanent Resident: 184 days in each year over 2 years
• UK Indefinite Leave to Remain (ILR): stay under 180 days absent per year
Check your count against any filing date.
For immigration paths, the scary question isn't only "where do I stand today?"—it's "will I still qualify when I actually file?" Set a future filing date and ResidencyProof shows whether you'll meet the threshold by then. Plan travel around the math before you book.
Automatic day tracking, zero manual work.
Your location history becomes a clean, country-by-country and state-by-state ledger. Scroll the full timeline, spot gaps before they become problems, and stop reconstructing the year from memory.
Smart alerts before you approach a threshold.
Set custom limits and get notified as you get close—whether you're managing Substantial Presence exposure, defending a state residency change, protecting a Schengen budget, or building toward Canadian citizenship.
A complete evidence trail, always ready to produce.
Add leases, boarding passes, utility bills, travel confirmations, and receipts. Attach them to dates and locations. When your CPA, tax attorney, immigration lawyer, or an officer asks for supporting documentation, everything is organized, searchable, and ready to hand over.
Built for people with something at stake.
US expats and visa holders watching the Substantial Presence Test. Remote workers and snowbirds proving a state domicile change. Frequent travelers on a 90/180 clock. Canadian PR applicants. US naturalization and UK ILR filers. Anyone whose next tax bill or legal status depends on being in the right place for the right number of days.
ResidencyProof is a tracking tool, not legal or tax advice. But precise records are the first thing a professional—or an auditor—will ask for. The last thing you want to be missing.
Start your free 7-day trial. No catch.
Terms of Use:
https://www.residencyproof.com/terms
Ratings & Reviews
Thanks for using ResidencyProof. This update improves stability and reliability, with bug fixes and small polish throughout the app.
The developer, Thien Nam, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- NaminalStack LLC
- Size
- 40.7 MB
- Category
- Business
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Location
- This app may use your location even when it isn’t open, which can decrease device battery life.
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- ResidencyProof Monthly $4.99
- ResidencyProof Yearly $39.99
- Copyright
- © 2025 NaminalStack LLC