Networks
PopCash
Romanian-based popunder network — global tier-2/3 inventory.
PopCash is a Romanian popunder network founded 2012, smaller than PopAds and PropellerAds but sometimes cheaper on specific tier-2 geos (Italy, Spain, Poland, Turkey). $5 minimum deposit, self-serve dashboard, supports targeting by browser/OS/device/keyword. Used by gambling, dating, and crypto offers.
Example
Crypto-recovery affiliate runs Italy popunder traffic on PopCash at $0.0011 CPV after layering blocklists across 150 publisher IDs — cleaner than PopAds at the same price.