2007-2013 (iPod Touch) 2008-2013 (iPhone and iPad)
This logo was only used on the iPod Touch in iPhone OS 1. Later, in iPhone OS 2 from 2008, it was added to the iPhone. The app would also make it to the iPad at its launch. Basically, this logo was used from iPhone OS 1 in 2007 to iOS 6 in August 2013.
2013-2017
This logo is used since iOS 7 to iOS 10 in 2013-2017
2017-present
This icon is used in iOS 11.
Applications and services AirPort Utility | Animoji | App Store | Books | Calculator | Calendar | Camera | Classroom | Clock | Compass | Contacts | FaceTime | Feedback Assistant | Files | Find My | Fitness | Freeform | Game Center | GarageBand | Health | Home | iCloud | iMovie | iTunes Movie Trailers | iTunes Store | iWork (Keynote | Pages | Numbers) | Magnifier | Mail | Maps | Measure | Messages | Mindfulness | Music | Music Classical | News | Notes | Phone | Photos | Podcasts | Reminders | Safari | Settings | Shortcuts | Siri | Sports | Stocks | Support | Texas Hold'em | Tips | Translate | TV | Videos (China only) | Voice Memos | VoiceOver | Wallet | Watch | Weather Discontinued |