DayLine: Tax Residency Days
iOS app by Andrew Horowitz. Finance · Andrew Horowitz
- Store rating
- 5 / 5
- Store rating count
- 1
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 2.0
- Listing last refreshed
- 2026-09-12
View the original store listing
Store description excerpt
DayLine automatically tracks which state you're in every day and counts your days against each state's actual residency rules — so you never become a tax resident by accident, and you can prove where you were if anyone ever asks. WHY DAY COUNTS MATTER Spend more than a threshold number of days in a state (183 in many) while keeping a home there, and that state can tax you as a resident — on everything you earn. Auditors don't have to prove you were there; you have to prove you weren't. DayLine builds that proof automatically. AUTOMATIC, BATTERY-FRIENDLY TRACKING • Logs your state every day using low-power visit monitoring — no check-ins, no GPS drain • Counts any-part-of-day presence the way states actually count it • Separate city-level counts for New York City and Yonkers • Missing-day detection with one-tap backfill • Exception days for travel-through and medical days that legally don't count EVERY STATE'S REAL RULES • All 50 states plus DC, NYC, and Yonkers — each one's test type, threshold, and day-counting convention • Plain-English guides: statutory residency, domicile, permanent place of abode, the 548-day rule, the convenience rule • Projections and alerts BEFORE you cross a threshold — not after PLAN AHEAD • Trip planner shows how future travel moves your year-end projections before you book • Live impact preview: see what a trip saves you while you plan it • What-if move simulator with a relocation checklist AUDIT-READY EVIDENCE • Evidence Locker: attach receipts, boarding passes, and scanned documents to any day • One-tap PDF day log, CSV exports, and a complete accountant package • Manual corrections are logged transparently — credibility auditors respect PRIVATE BY DESIGN Your location history never leaves your phone. No account, no server, no analytics, no ads — check the privacy label: Data Not Collected. Optional Face ID lock. SWITCHING FROM ANOTHER TRACKER? Import your full history from any day-tracking app's CSV, text, or PDF export in minutes. Your record stays unbroken. Try everything free for 30 days — no credit card, and the trial never converts to a charge on its own. Then $4.99/month or $39.99/year, cancel anytime. DayLine provides day tracking and general educational information, not tax advice. Consult a qualified tax professional about your situation. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://daylineapp.com/privacy.html
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