iOS versions

Settings move between releases. Pick a version to see which iPhones run it, what it added, and what changed location.

Apple changed the naming after iOS 18 and jumped to iOS 26, so there is no iOS 19 through 25.

iOS 27

2026

Current 34 iPhones

iOS 26

2025

Previous 31 iPhones

iOS 18

2024

iOS 17

2023

iOS 16

2022

iOS 15

2021

iOS 14

2020

iOS 13

2019

iOS 12

2018

iOS 11

2017

iOS 10

2016

iOS 9

2015

iOS 8

2014

iOS 7

2013

iOS 6

2012

iOS 5

2011

iOS 4

2010

iPhone OS 3

2009

iPhone OS 2

2008

iPhone OS 1

2007