> I called the app Residency and you can get it here. No subscriptions, costs less than an airport martini, and you'll likely regret it less a few hours later.

The article is content marketing, so I wouldn't be surprised if the pain points are being talked up somewhat (but who knows?)

Anecdotal evidence: timezone-aware precision might be only necessary for those pushing it to very edge of the allowances, but travel log spreadsheet was very very real for me, and everyone else in my own immigrant bubble. I still have it somewhere.

UK officials seem to operate on vibes though, not obsessive precision - I witnessed missed presence days being successfully propped up with a good sob story, but I can imagine it still being useful if you need to appeal a case where vibe turned against you.

Then was a short rest between making oath and Brexit, and here we are at that shit again - spreadsheet is back, and there's a script for Schengen rolling days.