Hello I'm looking for simple reffereal (affiliate) program.
What I need are simple things :
Share on : facebook, google plus, email and so on. (button click automatically opens that social media)
How much money he got
How much friends he invited
and last one to give them that money to their bank account.
Does anyone know any kind of good extension?
You can take advantage of our Magento Affiliate extension.
Here is the product page: https://goo.gl/YgUk6s
Hope it will suit you.
Jorhna is another affiliate extension for Magento, if offers free version as well as addons which can be used to extend functionality as per the requirements, for instance, if you need tier pricing support, advance reporting, dynamic widgets and more, then use addons, or else use free Jorhna Affiliate extension for Magento.
In case you still looking for this extension, I would recommend Magento 2 Affiliate Extension from Mageplaza. I bought their extension 8 months ago and up until now, there aren't any major or too severe bug, just some minor ones. As you saying, you just need some basic features then this extension will definitely meet your demand.
You can visit their website over here: https://www.mageplaza.com/magento-2-affiliate-extension/