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Tweaks Updated May 09, 2024

Zetsu multitasking tweak for iOS 15 - iOS 16

Promotion image of Zetsu article.

Multitasking on iPhone was always a big disappointment, but now with a tweak like Zetsu, you can run multiple apps simultaneously. Zetsu works with all jailbroken devices running iOS 14 and newer. Open any app in a new window on the Home Screen. Recently, Zetsu tweak was updated with support for the latest version of RootHide Bootstrap and Serotonine Jailbreak running on iOS 16 and iPhone XS and newer.

Add Zetsu Repo

Zetsu tweak was released as a DEB package, which can be downloaded from the Chariz Store. To quickly access the multitasking tweak, you can add the official Zetsu Repo to your preferred package manager and install the tweak on iOS 15.0 through iOS 16.7.

What is Zetsu?

Zetsu is a jailbreak tweak that enhances an iPhone's multitasking capabilities, enabling you to concurrently operate multiple apps from the Home Screen. Originally developed for iOS 14, the tweak also works with iPadOS 14 or higher. Recently, the developer introduced a new Zetsu rootless package that is compatible with Fugu15 Max jailbreak on iOS 15 – iOS 15.4.1. Since version 1.5 Zetsu has brought support for RootHide Bootstrap and Serotonine Jailbreak.

Unlike the standard iOS experience where applications run in full-screen mode, Zetsu tweak introduces a game-changing option to the 3D Touch / Haptic Touch gesture, enabling users to open an app in a Window. This innovative feature allows you to utilize multiple applications windows simultaneously, enhancing productivity and convenience running iOS 14 and iOS 15.

Zetsu tweak stands out for its exceptional features and functionalities. The best part? It's completely free! While many paid tweaks, such as MilkyWay3, Zetsu offers a comparable or even superior user experience. Notably, Zetsu supports auto-landscape mode and full-screen video playback for YouTube, making it an exceptional tool for watching videos.

Two iPhone screens showing Zetsu tweak on Home Screen and Settings.

Every opened window can be closed, killed, moved on the screen, refreshed, and also minimized. There is only no option available to maximize the window. But who cares. The control bar is located at the bottom of the window, and it's easy to reach.

After installing the tweak, a new preference pane is added to the Settings app, from where you can enable and disable Zetsu globally and configure all available options.

Note: XinaA15 Jailbreak released for iOS 15 – iOS 15.1.1 is not supported. However, if you will install Zetsu Rootless it may work on your jailbroken device.

From the preference pane, you can change window resize settings. This option allows you to choose between whether to resize the app window with the fixed ratio or to resize it freely. Range of movement allows the window to move only within the screen.

There are also a lot of options to select activation mode for creating, showing, and hiding windows. Manage the tweak with 3D Touch, Home Button, Motion (shake), multitouch gestures, sleep buttons, status bar, volume buttons, Springboard, and more.

Two iPhone screens showing Zetsu tweak activation on iOS 15.

What's more, Zetsu tweak features auto-landscape mode without compression, the ability to remember your custom ratio before minimized, closing animation, the unfixed ratio also without the compressed contents, kill the app when a window is closed, and out-of-screen protection.

You can also activate a new window from the grid switcher by tapping and holding on an app. Alternatively, you can try the free MilkyWay 2 tweak that works on iOS 14 and iOS 13. It allows you to open and use at the same time multiple apps in a macOS-styled window interface.

The most recent release of Zetsu can also run on RootHide Bootstrap and Serotonin Jailbreak with SpringBoard tweak injection toolbox designed for iOS 16. This is not a full jailbroken environment but it can run jailbreak tweaks on iOS 16 through iOS 16.6.1 and A12+ iPhones.

Note: If you are using Bootstrap and Serotonin's Jailbreak, you have to enable the target application in Bootstrap to have the scaling mode and application rotation.

Zetsu for Bootstrap on iOS 16.

How to add Zetsu Repository

Zetsu tweak was released as a free package that can be downloaded and installed on your jailbroken device through the private dcsyhi repository. Add Zetsu Repo to your package manager and enable real multitasking features on iOS 14 – iOS 16. Dcsyhi also released a separate Zetsu package dedicated to rootless jailbreaks such as Fugu15 Max for iOS 15.

To install Zetsu tweak on your iOS device using Sileo, follow these steps:

  1. Open the Sileo app from the Home Screen.
  2. Tap on the Sources tab, then select Edit.
  3. Add the following repository URL:
  4. Search for Zetsu tweak and install the tweak.
  5. Restart the Springboard when required to complete the installation.
  6. Tweak preferences are available via the Settings app.

Two iPhone screens showing Zetsu tweak Repository and installed files.

For added convenience, you can quickly add the repository to your preferred package managers (Cydia, Sileo, Installer, Zebra) by using the convenient quick links provided at the top of this page. With just one click, you can easily add the repository and download Zetsu tweak.

What's new

Zetsu Rootless 1.2

  • Fixed settings not being set correctly.
  • Added support for rootless jailbreaks.
  • Works now with Fugu15 Max Jailbreak.
  • Correction of horizontal screen.
  • Crash fix at screenshot.
  • Crash fix when receiving a call.
  • Fix crash when Face ID authentication.
  • Crash fix when connecting to Bluetooth.

Zetsu 1.5

  • Updated Zetsu tweak to version 1.5.
  • Now you can use apps that couldn't be used (Facebook Messenger, etc.).
  • Added a setting item that can fix the window resizing ratio.
  • Added Activator extension.
  • Fixed a keyboard bug.
  • Fixed an issue that caused the switcher to be jerky when scrolling.
  • Open an application window by pressing and holding Switcher.
  • Fixed iOS 14 crash.

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