Web app

A web application (or "web app") is a web-based program that is designed to run within a browser on a mobile device.

History
In 2007, Apple CEO Steve Jobs introduced "web apps" as a method of adding third-party software to the first iPhone. As implemented in the mobile version of Safari, supported web apps were based on the informal standard, utilizing technologies such as, , , and. However, support for web apps on iPhone waned after the introduction of the SDK with iPhone OS 2.0 to develop faster native applications.

Progressive web apps
With the release of iOS 11.3 on March 29, 2018, Apple quietly added support for "" (PWAs), which standardized the usage of the technologies in browsers. Because they do not need to be installed through the App Store, no jailbreaking is required to run web apps that have not been approved by Apple. However, Microsoft requires progressive web applications for and Windows 10 to be accessed from their store.

Articles

 * iOS Getting Into The PWA Space Faster Than Ever by Piyush Lathiya at Aureate Labs (2020-01-01)
 * Progressive Web Applications (PWA) on iOS 13 & 14 by Chris Love at Love2Dev (2020-06-16)