Is there a Schengen calculator app that tracks your days automatically?

If you have ever tried to keep the 90/180 rule in a spreadsheet, you know the problem: it is only as good as your memory, and the rolling 180-day window means a single forgotten travel day makes your "safe" number wrong. Most apps that promise to fix this do one of two things you may not want: make you type every trip by hand, or track your location in the background.

Your photos already hold the answer

You almost certainly took a photo on most days of every trip. Each photo carries metadata — a timestamp and, usually, a coarse place tag your camera recorded. Flags reads only those two things:

• It scans your library once and groups photos by date.
• It works out which country each day was in using offline maps bundled in the app — a point-in-polygon lookup, no network call, no reverse-geocoding service.
• It turns that into Schengen days and walks the rolling 180-day window for you.

The app reads that metadata, not the pictures, and uploads nothing. There is no location permission and no background location. The only permission it asks for is photo access, and nothing leaves your phone.

Gaps and manual entry

Real travel histories are messy. A trip without photos, or photos without a place, leaves a gap. Where you have no photos at all, you add a stay by hand, country and dates, and it sits alongside the days your photos filled in. Look over the days in your window before you rely on the count.

What you actually see

Open the app and the first thing is your number: days used out of 90, and the days you have left. The Plan tab answers the other question travellers ask — does this trip fit, and if not, what is the earliest date it would? — down to the day. For the counting method behind that number, see how many Schengen days you have left and what counts as a day.

How Schengen Calculator helps

Schengen Calculator does the job people actually fail at — keeping an accurate running count — so you can open it, see your number, and carry on. It reads your travel days from photo dates on-device, supports manual stays for gaps, and never asks for location or an account. Photo metadata can be stripped by some cloud-sync or chat apps, and border-region locations occasionally need a manual correction, both of which the app lets you fix. Review and correct the history before you rely on the count. Prefer to type your trips instead? The free browser Schengen calculator totals the stays you enter by hand, with nothing to install.

Flags is a tool, not legal advice — the border officer has the final say.