Coton is also on iPad:
/!\ Only available in English and French!

Coton is a beautiful cloud identification app for your iPhone and iPod Touch.

Identify clouds by browsing stunning pictures and detailed descriptions of all the different types of clouds you may spot. Coton relies on the International Cloud Atlas classification, the authoritative book from the World Meteorological Organization.

Learn about cloud types and their corresponding weather forecast including chances of rain and storm. Try to figure out the weather of the day, just by looking at the sky!

Coton includes:
- 33 cloud index cards for the main cloud genera, species, varieties and special clouds
- a gallery containing more than 120 awesome pictures
- an illustrated guide which simply explains what is a cloud and how clouds are classified
- a chart of the 10 cloud genera
- a setting allowing you to switch between metric and imperial measurement system

The only thing you'll have to do is looking up... Enjoy your spottings!
Just remember: "It is rare that a cloud gets the shape of a cloud." Ylipe

What's New

Version 1.5.1

- Better experience and bug fixies.

Ratings and Reviews

3.8 out of 5

8 Ratings

8 Ratings

Just what I was looking for!

Cactus Sharon

I want neither a committee nor a ‘social network’ to view, amplify, or grade my cloud names! I have no reason to ‘log in’ either: I just want to learn about clouds, why they create the shapes they do, when they occur, what do the weather-folks call them? This App does exactly that for the whole family! Concise, clear, photos are easy to view, even though some of those clouds do look the same to me. Haven’t had this but a couple weeks and have referred to it several times, no hesitating nor crashing nor sudden closing on my (iPhone 6. Really do like this App. Thanks!

Wish it was universal...


I dislike having to pick which device I want the app to run on, but less than I dislike paying for two versions of an app. At least this version will open on my iPad. -1 star for greed.

Otherwise I hope it will be a useful pocket reference. Runs well enough, though doesn't feel 100% native (was it developed in one of the HTML5 app builders?). I'd also enjoy more images.

Great Resource


I am an atmospheric science student and this app is incredible for identifying clouds. It runs smoothly and has great pictures. Definitely worth the money! Don't miss out!


Etamin Studio
52.3 MB
Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.
English, French
Age Rating
Rated 4+
© Etamin Studio


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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