Is D7 ROAS the best metric for evaluating campaign performance?

Hi!

Sometimes, because of the app's or ad-network specifics, there can be some delay in payments by users, so metric D7 is not always consisted of comprehensive data. In such cases, we consider ROAS D14. Also, I would suggest taking into account Retention D3, D7 and D14, increasing of Depositors.

Here's a good article that argues that D7 is not a good metric to use in optimizing campaign performance:

Why D7 ROAS might be the worst KPI to optimize towards since CPI