Case Study: +75% ROI on Popunder with Smartlink (Clickaine x CPA.house)

Hey everyone!

We at Clickaine recently published a new case study that shows how one of our advertisers achieved +75% ROI using Popunder traffic with an adult smartlink from CPA.house — across 12 GEOs in just 20 days.

Here’s a quick breakdown:
Spend: $862
Revenue: $1,512
Profit: $650
Top GEOs: US, UK, CA, DE
Format: Popunder (mobile, Android 10+)

Click to expand...

The advertiser started with broad targeting, collected data, then built a publisher whitelist and increased CPM from $0.20 → $0.40 to access higher-quality traffic.
After optimization, the campaign stabilized with an average ROI of +75.48%.


Read the full breakdown and learn how to replicate the setup:
Clickaine x CPA.house Case Study — +75% ROI


If you’re running dating, adult, or smartlink offers — Popunder can still deliver excellent performance when optimized correctly.
Feel free to check it out and share your feedback — we’d love to hear how you approach Popunder campaigns!


— The Clickaine Team