Does not even open
Response from developer
We‘re very sorry, hearing, that our Cyanometer app doesn‘t start. Could you provide us with some further technical details like iOS version and what iPhone you‘re using? Thank you! You can get a refund directly via Apples AppStore.
It's just a dfferent way to access the camera.
The user picks a number on the round scale then presses the shutter button, saving some basic info and your selected blue number with the image.
Not sure there's a wide audience for this.
Response from developer
Thank you for your review. The app does what Horace Bénédict de Saussure did with his original Cyanometer. There was no automation - he had to turn the device and to decide, which blue fits. We tried to give the user exactly that kind of ancient experience. Nevertheless we‘ll take your idea as an improvement for the next version.
My sky, your sky
Since reading about Humboldt’s Cyanometer in “The Invention of Nature” I’ve been a bit obsessed with the idea of measuring the blueness of the sky. I understand the blueness can be a measure of water content, but there is something also poetic and uniting about the cyanometer: we all share the same sky, yet it is for each of us a different sky.
Use this app and your sky will never be simply blue again.