Quite well known issue: http://www.theverge.com/2013/10/3/4797968/chrome-for-ios-incognito-mode-not-private-bug http://www.theverge.com/2013/10/3/4797968/chrome

Quite well known issue: http://www.theverge.com/2013/10/3/4797968/chrome-for-ios-incognito-mode-not-private-bug http://www.theverge.com/2013/10/3/4797968/chrome-for-ios-inc... Even the chrome support page mentions it[0]: >Note: Your iPhone or iPad might store information about some websites you visit in incognito mode, even though Google Chrome doesn't. This is because regular and incognito mode tabs share HTML5 local storage in iOS devices. HTML5 websites can get this information about your visit in this storage area. [0]: https://support.google.com/chrome/answer/95464?hl=en https://support.google.com/chrome/answer/95464?hl=en