Different B/w Android and IOs

Android         Os                           IOs

Source model	Open source	Closed, with open source components.
OS family	Linux	OS X, UNIX
Initial release	September 23, 2008	July 29, 2007
Developer	Google, Open Handset Alliance	Apple Inc.
Widgets	Yes	No, except in Notification Center
Available language(s)	100+ Languages	34 Languages
File transfer	Easier than IOS. Using USB port and Android File Transfer desktop app. Photos can be transferred via USB without apps.	More difficult. Media files can be transferred using iTunes desktop app. Photos can be transferred out via USB without apps.
Available on	Many phones and tablets. Major manufacturers are Samsung, Motorola, LG, HTC and Sony.. Nexus and Pixel line of devices is pure Android, others bundle manufacturer software.	iPod Touch, iPhone, iPad, Apple TV (2nd and 3rd generation)
Internet browsing	Google Chrome (or Android Browser on older versions; other browsers are available)	Mobile Safari (Other browsers are available)
App store , Affordability and interface	Google Play – 1,000,000+ apps. Other app stores like Amazon and Get jar also distribute Android apps. (unconfirmed ".APKs")	Apple app store – 1,000,000+ apps
Video chat	Google Duo and other 3rd party apps	Face Time (Apple devices only) and other 3rd party apps
Voice commands	Google Now, Google Assistant	no
Maps	Google Maps	Apple Maps (Google Maps also available via a separate app download)
Latest stable release and Updates	Android 8.0.0, Oreo (Aug 21, 2017)	11 (Sep 19, 2017)
Alternative app stores and side loading	Several alternative app stores other than the official Google Play Store. (e.g. Aptoide, Galaxy Apps)	Apple blocks 3rd party app stores. The phone needs to be jailbroken if you want to download apps from other stores.
Battery life and management	Many Android phone manufacturers equip their devices with large batteries with a longer life.	Apple batteries are generally not as big as the largest Android batteries. However, Apple is able to squeeze decent battery life via hardware/software optimizations.
File manager	Yes. (Stock Android File Manager included on devices running Android 7.1.1)	Not available
Security	Android software patches are available soonest to Nexus device users. Manufacturers tend to lag behind in pushing out these updates. So at any given time a vast majority of Android devices are not running updated fully patched software.	Most people will never encounter a problem with malware because they don’t go outside the Play Store for apps. Apple's software updates support older iOS devices also.
Interface	Touch Screen	Touch Screen
Supported versions	Android 5.0 & later (Android 4.4 is also supported but with patches)	iOS 8 & later
First version	Android 1.0, Alpha	iOS 1.0