I have tried this app. This app offers dollar for refering and installing some app. It mainly based on chain system. First when I download this app, I was asked to download some number of app. I downloaded those all. After that they show the chain system, how to add one with one. And I hate that system. Convincing someone to download that app and told them to download some number of apps and also to inform them to convice others to download that app. This is just like cheating others. And it is not user friendly.I hate this app Champcash.
I will never use this time wasting app.