01
90/180
Schengen rolling window
Entry and exit both count. The reference window is exactly 180 inclusive calendar days, with planned trips protected before you book.
TRAVEL LEDGER / 01 Built for border days
Know where
every day counts.
Track Schengen 90/180 stays, country-presence thresholds, and the travel history behind every answer—without handing your movements to another company.
- 90/180 Schengen
- No account required
- 12 languages
PRIVATE TRAVEL LEDGER
SCHENGEN RECEIPTAS OF 01 SEP 2026
68/ 90
22 days available in the current rolling window
CHECKEDLOCAL
DATESKNOWDAYS
DATESKNOWDAYS
ENTRY + EXIT DAYS ◆ REAL WORLD ATLAS ◆ TAX PRESENCE PLANNING ◆ PDF + CSV + IMAGE ◆ OPTIONAL ICLOUD BACKUP ◆
CALCULATION / 02 A number you can inspect
Not just a total.
A receipt for every day.
KnowDays uses local civil dates, counts overlapping stays only once, and keeps the underlying dates visible so you can verify the result yourself.
02
Country-presence limits
Set calendar-year, rolling-window, or custom fiscal-period thresholds for any country.
03
Choose how days count
Switch between any part of day, nights present, or full days only. KnowDays includes three counting methods for different rules.
KnowDays is a planning and record-keeping tool, not legal, immigration, or tax advice. Residence can depend on treaties, homes, work, ties, exceptions, and country-specific rules.
WORLD FOOTPRINT / 03 Every journey in context
Your year,
mapped honestly.
A real Natural Earth atlas shows countries and recorded days. Chronological route exports follow the shortest path across the International Date Line—even when you fly from Australia to America.
- 01 Bundled offline atlas
- 02 Countries ranked by days
- 03 Viral image and route-video exports
MY YEAR IN MOTION2026
6 COUNTRIES81 TRAVEL DAYS6 STAYS
Portugal → France → Türkiye → Japan → Australia → United States
6 COUNTRIES81 DAYSLOCAL ONLY
IN YOUR POCKET / 04 Calm under pressure
Built for frequent travellers.
Useful long after the move.
COUNTRY PRESENCEFR / 2026
13DAYS COUNTED
170 before limit
- Period
- Calendar year
- Method
- Any part of day
- Limit
- 183 days
Every counted local date remains inspectable.
Manual by default
Your ledger remains understandable and editable. GPS only suggests a country after you ask.
Time-zone safe
Travel is recorded as local calendar dates, avoiding instant-based errors around midnight and the date line.
Ready for evidence
Create PDF, CSV, JSON, image, and video summaries. Back up to your private iCloud Drive when you choose.
COUNTING BASIS
3METHODS
- Any part of day
- Nights present
- Full days only
Choose the interpretation that matches the rule you are tracking.
NOCLOUD
PROFILEPRIVATE BY DESIGN
PROFILEPRIVATE BY DESIGN
PRIVACY / 05 Your movements are not a business model
Works offline.
Stays under your control.
Trip dates live on your device. KnowDays has no account, advertising SDK, developer-operated server, or third-party analytics. Optional iCloud backup goes to your private container.
Read the plain-language privacy policy →12
LANGUAGES / 06 Made for border-crossers
One ledger.
Many home languages.
KnowDays launches with complete app localization across twelve languages.
- English
- Arabic
- Dutch
- French
- German
- Hebrew
- Italian
- Polish
- Portuguese
- Spanish
- Turkish
- Ukrainian
FIELD NOTES / 07 Straight answers
Before your
next border.
Does KnowDays determine my tax residence?+
No. It tracks presence days under a rule you select. Tax residence can also depend on ties, homes, work, treaties, exceptions, and local law. Use the export as an organized record for your adviser.
Does it track me continuously with GPS?+
No. Location is requested only after you tap the country-suggestion control. It suggests the current country, discards the coordinates, and waits for your confirmation.
What happens when I cross the date line?+
KnowDays records local civil dates instead of forcing every trip through one universal time zone. You can edit the arrival and departure dates to match your actual border record.
Can I export my history?+
Yes. Create PDF, CSV, JSON, shareable image, and chronological route-video exports locally on your device.
Can I restore my data?+
Yes. You can create a user-triggered backup in your private iCloud Drive container and restore a validated backup without giving the developer access.
DEPARTURE / 08 Prepared beats surprised
Take the right number
to the border.
KnowDays for iPhone is preparing for launch.
Tell me when it launches ↗