Evolution Archive
EN繁中

OS family

iPhone Software / iPhone OS / iOS

The software line that began with the original iPhone and grew into Apple’s primary mobile platform.

Follow the major-version line from iPhone Software 1 to iOS 27, with release counts and support changes preserved from canonical research data.

Major releases20
Public releases312
Latest public release27.0Sep 14, 2026

Major releases

Major-version history

Each version opens a dedicated record with defining features, public point releases and device-support context.

  1. 2007Jun 29, 2007

    Version 1

    iPhone Software 1

    Open iPhone Software 1 →

    Multi-Touch interface A finger-driven Multi-Touch interface replaced the hardware-keyboard and stylus conventions of contemporary smartphones.

    9 public releases8 point updatesNo archive product fully dropped
  2. 2008Jul 11, 2008

    Version 2

    iPhone Software 2

    Open iPhone Software 2 →

    App Store and native third-party apps iPhone 2.0 opened the platform to native third-party applications distributed through the new App Store.

    7 public releases6 point updatesNo archive product fully dropped
  3. 2009Jun 17, 2009

    Version 3

    iPhone OS 3

    Open iPhone OS 3 →

    Cut, copy, and paste iPhone OS 3.0 introduced system-wide cut, copy, and paste.

    9 public releases8 point updatesNo archive product fully dropped
  4. 2010Jun 21, 2010

    Version 4

    iOS 4

    Open iOS 4 →

    Multitasking iOS 4 brought Apple’s multitasking model to supported iPhone hardware.

    17 public releases16 point updates2 archive products dropped
  5. 2011Oct 12, 2011

    Version 5

    iOS 5

    Open iOS 5 →

    Notifications Swipe from the top of any screen to view notifications in one place with Notification Center

    4 public releases3 point updates2 archive products dropped
  6. 2012Sep 19, 2012

    Version 6

    iOS 6

    Open iOS 6 →

    Maps Apple designed vector based maps

    10 public releases9 point updates2 archive products dropped
  7. 2013Sep 18, 2013

    Version 7

    iOS 7

    Open iOS 7 →

    Redesigned interface updates the entire system and every built-in app Redesigned interface updates the entire system and every built-in app

    10 public releases9 point updates2 archive products dropped
  8. 2014Sep 17, 2014

    Version 8

    iOS 8

    Open iOS 8 →

    Messages improvements Messages improvements

    11 public releases10 point updates1 archive products dropped
  9. 2015Sep 16, 2015

    Version 9

    iOS 9

    Open iOS 9 →

    Intelligence Proactive assistance

    13 public releases12 point updatesNo archive product fully dropped
  10. 2016Sep 13, 2016

    Version 10

    iOS 10

    Open iOS 10 →

    iOS 10 iOS 10.3.4 addresses an issue that could impact GPS location performance and could cause system date and time to be incorrect. This update is recommended for all users.

    13 public releases12 point updates5 archive products dropped
  11. 2017Sep 19, 2017

    Version 11

    iOS 11

    Open iOS 11 →

    App Store All-new App Store designed for discovering great apps and games everyday

    16 public releases15 point updates3 archive products dropped
  12. 2018Sep 17, 2018

    Version 12

    iOS 12

    Open iOS 12 →

    Performance iOS has been enhanced for a faster and more responsive experience across the system

    30 public releases29 point updatesNo archive product fully dropped
  13. 2019Sep 19, 2019

    Version 13

    iOS 13

    Open iOS 13 →

    Dark Mode A beautiful new dark color scheme that delivers a great viewing experience especially in low-light environments

    17 public releases16 point updates4 archive products dropped
  14. 2020Sep 16, 2020

    Version 14

    iOS 14

    Open iOS 14 →

    Home Screen widgets Redesigned widgets could be placed alongside apps on Home Screen pages.

    16 public releases15 point updatesNo archive product fully dropped
  15. 2021Sep 20, 2021

    Version 15

    iOS 15

    Open iOS 15 →

    FaceTime Spatial audio makes people’s voices sound like they’re coming from the direction in which they’re positioned on the screen on Group FaceTime calls (iPhone XS, iPhone XS Max, iPhone XR and later)

    33 public releases32 point updatesNo archive product fully dropped
  16. 2022Sep 12, 2022

    Version 16

    iOS 16

    Open iOS 16 →

    Lock Screen Redesigned Lock Screen gives you all new ways to personalize your Lock Screen by showcasing favorite photos, customizing font styles, displaying widgets, and more

    33 public releases32 point updates6 archive products dropped
  17. 2023Sep 18, 2023

    Version 17

    iOS 17

    Open iOS 17 →

    Phone Contact Posters let you customize how you appear on other people’s devices when you call them with a customized poster

    20 public releases19 point updates3 archive products dropped
  18. 2024Sep 16, 2024

    Version 18

    iOS 18

    Open iOS 18 →

    Home Screen Flexible arrangement to place app icons and widgets in any open position on the Home Screen, such as along the bottom or off to the side, to create the ideal layout for each page

    26 public releases25 point updatesNo archive product fully dropped
  19. 2025Sep 15, 2025

    Version 26

    iOS 26

    Open iOS 26 →

    Design Liquid Glass makes interactions across iOS more delightful, refracts and reflects content in real time, and brings even more focus to what you’re viewing on your screen

    17 public releases16 point updates3 archive products dropped
  20. 2026Sep 14, 2026

    Version 27

    iOS 27

    Open iOS 27 →

    Siri AI iOS 27 introduces a more capable and conversational Siri with personal context understanding, app actions, onscreen awareness, broad world knowledge, and a dedicated Siri app that syncs conversations through iCloud.

    1 public releases0 point updatesNo archive product fully dropped