Android vs iOS

Feature
Android
iOS
Developer
Google, Open Handset Alliance
Apple Inc
OS family
Linux
OS X, UNIX
Source model
Open source
Closed, with open source components
Customizability
A lot. Can change almost anything
Limited
Interface
Touch Screen
Touch Screen
Installed on
Phones and tablets by major manufacturers including Samsung, Motorola, LG, HTC and Sony
iPhone, iPod Touch, iPad, Apple TV
Calls, messaging and Video chat
Google Hangouts
iMessage, FaceTime (with other Apple devices only)
(3rd party apps like Facebook Messenger, WhatsApp, Google Duo and Skype supported by both Android and iOS)
Voice commands
Google Now, Google Assistant
Siri
File manager
Yes
Not available
Internet browsing
Google Chrome
Mobile Safari
Maps
Google Maps
Apple Maps (Google Maps also available via a separate app download)
App store
Google Play. alternative app stores supported
Apple app store. Apple blocks 3rd party app stores
Security
Use of third party apps downloaded and installed outside Google Play compromises the security of the device. Security software patches should be updated frequently.
Most users will never encounter a problem with malware because they don’t go outside the Apple Play Store for apps.
File transfer
Easy. Using USB port and Android File Transfer desktop app. Photos can be transferred via USB without apps
Difficult. Media files can be transferred using iTunes desktop app. Photos can be transferred out via USB without apps
Cloud services
Native integration with Google cloud storage.
Native integration with iCloud.