Spark is fully compatible with iOS 26, adopting Liquid Design and optimizing the app accordingly.
What's New
- Home Screen
The Home Screen is customizable to work in the Default, Dark, Clear, and Tinted modes.
To change the Home Screen, tap and hold it (if it is free from the apps or widgets space) > select Customize.
Once you change the mode (Default, Dark, Clear, or Tinted), the Spark app icon will adapt and look accordingly. Spark app icon is refreshed with a Liquid Glass look, reflecting the modernity of the current Apple ecosystem.
- Inbox
Now, you can conveniently use the innovative Liquid Glass buttons at the bottom of the Inbox view; you can also use a modernized List View switcher. The scrolling is also improved to be smoother and more effortless.

- Mail Viewer
The Mail Viewer in Spark on iOS 26 brings a handful of new designs: new navigation, new toolbar, and some of the new menus. All the tools you need are located intuitively to improve your experience and utilize improved system components at the same time. Moreover, your reading experience is completely reimagined - now, you can use the adaptive icons while viewing an email.

- Sidebar
The Sidebar in Spark remains easily recognizable, maintaining its principal characteristics to facilitate the process of incorporating new iOS 26 designs into your workflows with emails in Spark.

- Settings
Spark Settings on iOS 26 are designed in accordance with the iOS 26 System Settings and align with the overall iOS 26 look. They were updated to show a more structured grouped format to easily find the necessary settings.

- Composer
The composer in Spark on iOS 26 is upgraded with Liquid Glass buttons at the bottom of the screen, as well as enhanced styles for the text editor.

- Search
The search icon is now available in the bottom left corner. Additionally, the search input field is located above the keyword for improved typing experience.

- Snooze, Set a Reminder, Send Later
These features have been redesigned to improve time picker experience - it is more user-friendly now and requires less effort, so you can set up the preferred time faster.