IONIC Voricles Obfuscation plugin Make App Very Slow

Hi All,

Kindly help if any one of you faced the same problem or provide solution better than this if any

I am using below obfuscation plugin in my IONIC app. I am able to successfully installed and now able to run app.
Only big problem is app has become too much slow after installation of plugin. Kindly suggest what i am doing wrong or any other steps which i have to follow to make our app user friendly, response and avoid delays.

My MAC and Project folder configuration is as below
cli packages: (/usr/local/lib/node_modules)

@ionic/cli-utils  : 1.19.2

ionic (Ionic CLI) : 3.20.0

global packages:

cordova (Cordova CLI) : 8.0.0 

local packages:

@ionic/app-scripts : 2.1.4

Cordova Platforms  : android 7.0.0

Ionic Framework    : ionic-angular 3.6.0


ios-deploy : 1.9.2 

Node       : v6.11.1

npm        : 3.10.10 

OS         : macOS

Xcode      : Xcode 10.2.1 Build version 10E1001