Free Root Toolbox ― Rebootify

You can quickly reboot into 4 modes your device with root access.

Changes 2.0.1 : - Added adaptive icon support for Android Oreo.

- Added app shortcuts for Android Oreo.

- Added an alert for non-rooted devices.

- Fixed some bugs.

APK Description:

What can this app do?
― Reboot into bootloader.
― Reboot into recovery. (Example: TWRP, CWM)
― Reboot the system. (Restart)
― Shutdown the system.
― Provides app shortcut for fast access to reboot modes.
― You can also use it with your phone that has a broken power key.

Notes
― You must have root privileges on your device and be granted to Rebootify, to use the app.
― This app does not give root privileges to your device.
― Please use it if you know what you are doing.

Screenshots: