Apple iOS houses three primary search nodes: Siri, Spotlight Search, and Safari search. Siri, one of the pioneering features of iOS, is recognizably branded in the minds of most iPhone users. However, many aren’t familiar with Spotlight Search, a key component of iOS that came to life even before Siri was conceived.
Spotlight Search surfaces when you slide down your home screen or, starting with iOS 9, by swiping right from your personal home screen. This uncovers a search bar situated atop the screen. The central function of this search tool in iOS 8 and earlier primarily encompassed an internal phone search, so the home screen would present apps stored in your phone, interactive features like emails or messages, or private items native to the Apple apps like images and videos. It would also display a Wikipedia definition when it seemed relevant — with a bonus feature of searching the entire web via Safari.
Noticeably different from Spotlight Search is Safari. Safari serves as a gateway to the world outside your phone. With iOS 8, the user holds the power to choose the search engine they prefer for Safari search: Google, Yahoo, Bing, or DuckDuckGo. Despite a choice, the majority lean towards Google for Safari search requests. No matter the search engine selected, Safari presents pre-filled search terms, potentially accompanied by a Wikipedia match.
With the introduction of [iOS 9](https://www.toptal.com/ios/ios-9-betas-and-watchos-2-for-developers), Spotlight Search evolved to exhibit a greater prominence and wider scope than before. In fact, the very first instance you witness are “Siri Suggestions”, formulated based on your usage patterns. Coupled with taking note of “things on your phone,” it is gradually transforming into a direct gateway for “things not on your phone”.
The arrival of iOS 9 is a wondrous landmark as it facilitates iOS developers with the capacity to tap into the search functions and include content culled from within apps. Moreover, with time, the search will potentially include results not confined to the user’s phone. This shift opens a new era in mobile search technology.
A nod to Google, whose search engine has spawned an entire industry amassing around SEO, the process of optimizing your collateral around Google’s search. Upon its full-scale launch, Apple’s search engine will capture nearly half of the mobile search market, which represents 50% (and growing) of the overall search traffic. Consequently, the concept of “Apple Mobile Search Optimization” will also rise and shine.
> Apple Mobile Search Optimization efforts will create a far more significant impact on app discovery by mobile users as compared to traditional SEO.
This groundbreaking development signals the advent of a new-age AMSO industry.
Despite the glossy spotlight, the downside is that incorporating these features calls for familiarity with many new technologies from Apple, and refinement of old ones. The integration of these diverse elements can lead to a labyrinth of confusion. The prime objective of this series is to dissect the various components of iOS 9 and elucidate how they can be implemented.
Open to your exploration, I have designed this simple app as a [reference](https://github.com/rwforsythe/iOS9-Search), which will continue to update as we dive deeper into other elements of the search toolkit to further clear concepts around the Core Spotlight Framework and its role in how search works in iOS 9, what happens when a user clicks.
The design and functionalities of the new search in iOS 9 are constantly growing and adapting. This understanding is instrumental for developers to devise advanced strategies to improve visibility and discoverability of their apps in the search realm. Your journey through the maze of iOS 9’s Spotlight Search has just begun, leading to promising opportunities and effective optimization techniques.
This article was updated in 2025 to reflect modern realities.
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