Methodology · ad-stack

Monet Poppies at Argenteuil painterly border around a large CPI benchmarks dashboard UI showing rates by app category.

Guides · MAY 15, 2026

CPI benchmarks for mobile apps in 2026, by category and region

What a healthy Cost Per Install actually looks like in 2026, by app category and major region. Plus the four levers that move CPI fastest.

Read essay →

Monet Rouen Cathedral painterly border around a large methodology scorecard UI showing four review-criteria steps.

№ 02

Guides · MAY 10, 2026

How we test AI advertising tools

The protocol behind every review on ad-stack — three reference briefs, twelve metrics, no agency discounts, no preview builds. The only variable is the tool.

Read essay →