Google (iOS)

2008-2012
image This logo was used from iPhone OS 2 to iOS 5.

2012-2014
image This logo was used from iOS 6 to iOS 7.

September-December 2014
This logo was used from iOS 8.0 to iOS 8.1.

2014-2015
This logo was used from iOS 8.1 to iOS 9.

2015-present
This logo is used from iOS 9 onwards.