What is an item upgrades Upgrader in Pokemon Go?
A transparent device that allows certain Pokemon species evolve. Silph Co. produced it.
The item upgrader adds a brand new widget at the top of the Angel and Cash item level upgrade windows. This Manager costs 33 billion Angel Investors and offers no gaming benefit other than making it easier to find and buy upgrades.
Boosters
There are many enhancements that can be obtained with an Best item upgrader. These could include stats as well as additional bonuses. These bonuses can be used on weapons, armor and trinkets. They can be used to enhance the capabilities of an individual, or they can be added as an element of variety to a build.
The World of Warcraft upgrade system allows players to upgrade their equipment by paying currency at an upgrader for their best item upgrader. This system first came into play in Mists of Pandaria, and was further developed in Warlords of Draenor.