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let’s dev Blog | Apples User Interface in all-new glass design: The WWDC25
by Julian
11. June 2025

Apples User Interface in all-new glass design: The WWDC25

While artificial intelligence was the big topic last year, Apple is focusing on the overhaul of its platforms' user interfaces at this year's WWDC. With Liquid Glass, we are entering a new design era from the fall, while the iPad and Mac are moving closer together functionally. Apple's ecosystem is more unified and seamless than ever before. It remains to be seen whether the in-house AI features will shine just as brightly in everyday use as the new glass design.

Apple Intellegence was yesterday...

What was still the main topic of last year was only briefly touched on at this year's developer conference. Although Apple is trying to upgrade its own intelligence and catch up with competing AI systems, analysts tend to point out that progress will also remain “below expectations” next year. Apple now wants to set the pace in this area itself and is making it clear that local on-device processing and data protection are not at odds with powerful features. Nevertheless, new, albeit smaller AI features are coming in the next few months: Live Translation translates phone, FaceTime and message conversations in real time, while Genmoji and Image Playground generate personalized emojis and images directly on the device. The Shortcuts app also benefits: Summaries of long texts or automatic creation of workflows now work via prompt.

Siri has also been revised. With more natural language, contextual memory and the ability to link tasks across multiple apps, such as “Remind me of this PDF that Martin sent me yesterday when I'm at home”, Siri has become a true personal assistant. Thanks to Apple Intelligence, Siri understands much more complex commands and follows even multi-step instructions. From now on, Siri can visually recognize what is currently displayed on the screen and respond to it. It can analyze, for example, an address and a date from a screenshot and create a suitable reminder in the calendar app. But the AI platform itself is also becoming exciting for developers. With new APIs, third-party apps can now use the functions of Apple Intelligence - for example for text suggestions, image generation or smart filters. The same data protection principles apply as for Apple's own applications.

A new design era - Apple's Liquid Glass gives the user interface a new look

Figure 1: A new design era - Apple's Liquid Glass gives the user interface a new look

iOS 19 becomes 26 and the new Liquid Design

For the sake of consistency, Apple's operating system version numbers will now all be updated to the upcoming new year. We are skipping iOS 19 and introducing a comprehensive design overhaul of the UI and UX with iOS 26, which is being marketed under the name “Liquid Glass”. The new interface relies on transparent layers, soft light reflections and flowing animations that give the entire system an organic, smooth aesthetic. Apple describes the redesign itself as the biggest visual update since iOS 7 - and the interplay of glass optics, depth and dynamic movement does indeed look like a step into a new visual era. At the very least, the new glass look mentioned above can be found primarily on the surface, the first visible layer of the UI. Deeper levels, e.g. in the navigation, remain largely untouched, so that users will find the familiar “flat design” here.

However, iOS 26 is not only glassy, but also more functional. The phone app has been fundamentally overhauled: It now bundles calls, voicemails and messages more clearly and offers new tools such as “Call Screening”, which intelligently filters unwanted calls or “Hold Assist”, which automatically notifies users when a real person is speaking in a waiting loop. The messaging app has also been upgraded - with new backgrounds, interactive stickers and even survey functions directly in the chat. In addition, “Visual Intelligence” has been given a central role in the new system. This function recognizes context-related information on the display - such as text, objects or links - and offers suitable actions, such as translations or web searches. Details have also been adapted in other systems: The music app, CarPlay and Apple Maps have been modernized discreetly but thoughtfully. All of this fits harmoniously into the new Liquid Design, which not only looks better, but is also more intuitive to use.

Glass, Transparency, and Reflection — The new design is intended to be consistent across all platforms.

Figure 2: Glass, Transparency, and Reflection — The new design is intended to be consistent across all platforms.

iPad OS and mac OS move closer together

With iPadOS 26, Apple is bringing the iPad a significant step closer to the Mac - both visually and functionally. For the first time, windows can be placed freely on the screen and adjusted in size, which makes real multitasking with several apps much easier. A new Exposé view provides an overview by visually arranging all open windows, similar to the Mac. The new window management is complemented by a menu bar that can be hidden and dynamically adjusted at the top of the screen - a clear nod to macOS, but perfectly adapted to the touch operation and the Apple Pencil.

The Files app has received a long-awaited upgrade. Users can now set colored folder tags, define default apps for certain file types and store frequently used folders directly in the dock - small changes that make everyday life on the iPad significantly more productive. These functions and the refined interface make the iPad even more of a dynamic work tool that makes it easier to switch between tablet and laptop.

The Mac is also getting a breath of fresh air with macOS Tahoe. The new user interface adopts the Liquid design from iOS and iPadOS and ensures visual consistency across all devices with a transparent dock and smoothly animated transitions. Another new feature is a simplified app organization in the style of the Launchpad, which makes the home screen clearer Spotlight has been enhanced with so-called “Quick Keys” - shortcuts that make tasks such as file actions or system controls even faster using the keyboard.

Another highlight is the Journal app, which is now also available on iPad and Mac. It synchronizes via iCloud and and allows you to record thoughts, photos, places and activities - a kind of digital diary that integrates seamlessly into your everyday life.

As always, the upcoming 26 versions of all operating systems will be released starting in fall together with the new iPhone models. Many AI features will require an Apple Silicon chip for the iPhones and an M-based processor for the iPad and Mac.

macOS and iPadOS are merging more and more - elements and functions from the Mac are increasingly coming to the iPad

Figure 3: macOS and iPadOS are merging more and more - elements and functions from the Mac are increasingly coming to the iPad

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