The Snappy Ubuntu is aimed at clouds and devices and is a lighter version of the well-known Ubuntu OS. Unlike to Ubuntu MATE, it provides a simple approach for the installation and uninstallation of the applications and updates.

It is one of the most recommended Raspberry Pi Operating Systems
The transactional systems management makes it faster, reliable, and secure
The Snappy Ubuntu Core 15.04 can be downloaded and loaded on an SD card with 4GB storage space
It includes the advanced applications from Github and others
The updates are made automatically, so you will get the unbroken and fresh app every time you use it on your device