I've been working with CAS on Multicraft since 2023, so I can share some real numbers.

Our usual revenue was $40–60k per month, mostly from organic traffic and their mediation stack. In September 2025, organic traffic dropped a lot, and we fell to $40k. It wasn't a disaster, but it showed we needed to make changes.
CAS did a full product audit and showed us where we were missing out on revenue. After we made their ARPU-focused changes, we bounced back and even grew, reaching $70k per month by November. In key regions, ARPU grew by 70%. Now, we're aiming for $100k.
What stands out to me is that they didn't just adjust ad placements. They really took the time to understand and improve the product itself. That's what sets them apart from other mediation partners I've worked with.