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Yes. Free, and no ads.

It’s coming soon to the App Store in the United States, for iPhone with iOS 18 or later.

High cloud to catch the light, and a clear gap low in the sky.

The best skies have thin cloud high up, a gap toward the horizon so the light can get under it, and clean air, often just after rain. A sky with no cloud is pretty but plain. A full grey lid stays grey.

One number from 0 to 100 for how much colour the sky should have.

It reads the forecast for the minute the colour peaks, just after the sun goes down (or just before it comes up). It looks at how much cloud there is and how high it sits, the cloud out toward the horizon, haze and rain, and tells you what it saw. It never guesses past the forecast. More on the support page.

It’s a good guide, not a promise.

The forecast gets better the closer you get to the evening, so check again in the afternoon. Coasts and mountains are harder to call. A low score can still surprise you, so take a look outside about 20 minutes before.

Same model. The app sees more.

The app reads Apple’s cloud forecast for exactly where you stand, which says how high the cloud sits. The website reads Open-Meteo’s cloud layers for the place you open, rounded to a few kilometres. Most evenings the two land close. When they don’t, trust the app. More on the support page.

Times and scores here work anywhere. The app is US only for now.

The app is coming to the US App Store, and its spots are in the United States for now.

A person looks at every one before it goes in.

We find them on maps, satellite pictures and the official park or city pages. A person looks at the pin and for signs the place is open to the public, at a desk, not on the ground. Anything that looks closed or private is left out. Treat it as a guide and check before you go. You can suggest one too.

Where you stood stays off the map unless you turn it on.

“Show on the map” starts off, unless you choose otherwise in Settings, and one tap decides each photo. Leave it off and the map shows your town at most, never where you stood. Turn it on and the sky carries exactly where you stood, with a pin on the map.

There are no ad libraries and no third-party trackers, which is why the app never asks for the tracking permission. Diagnostics are off the day you install it and stay off until you switch them on. No public likes, no followers, no streaks, and nobody can see how many skies you’ve shot. You share one sky each time the camera opens.

No. No cookies, no analytics, no third-party scripts.

The list of cities sends nothing, a place’s times are worked out in your browser, and it reads where you are only when you press a button. When you check a sky, the place goes to our server and on to Apple Weather and Open-Meteo for the forecast. Our server writes nothing down and holds answers in memory for up to a day, though Google’s request logs for that server can hold it for up to 30 days, and we don’t use them. If you share where you are, your position is rounded to a few kilometres before it leaves your browser, and that rounded place is what goes to OpenStreetMap to find the name of the town. A city’s or a town’s page holds that place in its address and nothing about you, and your own place never goes in the address. The whole list is in the privacy policy.